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Page 1: Unit 2 - Cengage Asia
Page 2: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 2Unit 2 Extra practice: Key1 2 cycling 3 wrestling 4 tennis 5 skiing 6 football 7 cricket 8 running 9 swimming 10 golf

Hidden word: ice-skating

2 Words to be circled:

RACQUET – CLUB – BAT – GLOVES – TRACK – PITCH – COURT – RING – BALL – POOL – COURSE – GOGGLES

3 2 cyclist 3 judge 4 loser 5 spectator 6 winner 7 wrestler

4 2 complete 3 encourage 4 score 5 send 6 fail

5 2 meet 3 interested 4 good 5 learn 6 try 7 enjoy 8 go

Unit 2 Revision: Key1 2 speaking 3 listening 4 training 5 Jogging 6 competing

2 2 c 3 b 4 c 5 a 6 b 7 a

3 2 ’d love to become 3 like writing 4 love attending 5 ’d like to study 6 ’d like to live

4 2 mustn’t touch the ball with your hands. 3 can send in your entry for the competition next week. 4 have to wear a helmet. 5 can’t meet before the match. 6 doesn’t have to go to football training tonight.

5 2 don’t have to 3 must 4 can’t 5 mustn’t 6 has to

Unit 2 Extension: KeySample response:Student A: What club or group does Lisa belong to?Student B: She’s in a theatre group called the Monty Players.Student A: When does the group meet?Student B: They meet three times a week for rehearsals –

on Mondays, Fridays and Saturdays at 7 p.m.Student A: How much does it cost to join the group?Student B: Nothing. There’s no membership fee.Student A: What does Lisa like doing?Student B: She likes acting in the theatre and she really

enjoys being on stage.Student A: What doesn’t Lisa like doing?Student B: She can’t stand acting in musicals.Student A: What isn’t she good at doing?Student B: She isn’t very good at singing.Student A: What does she prefer doing?Student B: She prefers playing comedy roles to playing

serious roles.

Student B: What club or group does Sam belong to?Student A: He’s a member of a fitness club in the town of

Chorley.Student B: When does the club meet?Student A: They meet every Thursday evening at 6.30 p.m.Student B: How much does it cost to join the club?Student A: There’s a membership fee of £20.Student B: What does Sam like doing?Student A: He enjoys doing Pilates and loves doing yoga.Student B: What doesn’t Sam like doing?Student A: He doesn’t like doing aerobics.Student B: What isn’t he good at doing?Student A: He isn’t very good at doing energetic exercises.Student B: What does he prefer doing?Student A: He prefers doing exercises with lots of stretching.

P R A C Q U E T G

C L U B C I L C O

O R B A B B N O G

U I A P T R E U G

R N L O B A T R L

T G L O V E S S E

F A Y L R B A E S

S A T R A C K A U

B P I T C H T O L

Page 3: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 3Unit 3 Extra practice: Key1 Words to be circled: BUS – CAR – FERRY – PLANE – MOTORBIKE –

BICYCLE – TRAIN – SHIP – TAXI

2 2 take 3 visit 4 commute 5 cross 6 use 7 work 8 go

3 2 pick up 3 go by 4 drop off 5 miss 6 travel 7 catch 8 get on

4 2 snail 3 lorry 4 snake 5 husky 6 bicycle

5 2 vehicles 3 commuter 4 traffic 5 airport 6 railway 7 rush 8 petrol

Unit 3 Revision: Key1 2 the worst 3 quicker 4 the busiest 5 the most expensive 6 hotter

2 2 Andy is a more careful driver than Jason. 3 Indian Railways is the largest railway network in

Asia. 4 Working from home is more comfortable than

working in an office. 5 That suitcase is the heaviest of all. 6 Electric cars are the best form of transport.

3 2 isn’t as noisy as 3 is as safe (for pedestrians) as 4 isn’t as quiet as 5 isn’t as tiring as 6 is as exciting as

4 2 as 3 as fast as 4 more expensive 5 as 6 the cleanest

5 2 than, as 3 more funnier, funnier 4 most bad, worst 5 from, than 6 most older, oldest

6 2 b 3 a 4 a 5 b 6 b

Unit 3 Extension: Key1 1 T 2 F 3 F 4 T 5 F 6 T

2 Paragraph 1 b Paragraph 2 a Paragraph 3 c Paragraph 4 a

3 1 c 2 Ask her to let you know which option she prefers.

4 Students’ own answers Teacher’s checklist Ξ Is the email in clear paragraphs? Ξ Does the email have appropriate opening and

closing paragraphs? Ξ Do the main body paragraphs: - give reasons for changing the travel plans? - make suggestions for other travel plans, with

supporting reasons?

Page 4: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 4Unit 4 Extra practice: Key1 2 lake 3 mountain 4 cave 5 cliff 6 crevasse 7 north face 8 summit Hidden word: glaciers

2 Words to be circled:

WANTED – CLIMBED – LIVED – STUDIED – DROVE – GREW UP – TOOK – WENT – THOUGHT – FOUND

3 2 dangerous 3 ambitious 4 adventurous 5 risky 6 mountainous 7 experienced

4 2 reporter 3 trip 4 learner 5 competitor 6 fit 7 climbing 8 presenter

5 2 patient 3 challenge 4 risks 5 ambition 6 determined

Unit 4 Revision: Key1 2 slipped 3 took 4 tried 5 didn’t plan 6 Did . . . walk 7 didn’t go

2 2 Where did you grow up? / Students’ own answers

3 When did you start learning English? / Students’ own answers

4 What was your favourite subject at school? / Students’ own answers

5 Where did you go on your last holiday? / Students’ own answers

6 What was the weather like last weekend? / Students’ own answers

3 2 was Ethan shouting, arrived 3 was taking off, realised 4 Was the sun shining 5 ended, arrived 6 was surfing, was fixing

4 2 b 3 a 4 b 5 a 6 a

5 2 while, when 3 you travelled, did you travel 4 (didn’t) explained, (didn’t) explain 5 slept, was sleeping 6 you two met, did you two meet

Unit 4 Extension: KeySample response:Student A: What was the man’s name, and how old

was he?Student B: His name was Robert Bogucki, and he was

33 years old.Student A: How long did he survive in the desert

without food or water?Student B: He survived for 43 days.Student A: What did he want to cross?Student B: He wanted to cross the Great Sandy Desert.Student A: What was his plan?Student B: His plan was to ride his bike and walk (across

the desert).Student A: When did he start and what did he take with

him?Student B: He started on 11 July 1999, and he took very

little food and water with him.Student A: What did tourists find fifteen days later?Student B: They found his bike and some of his camping

gear.Student A: How far was this from where he started?Student B: It was about 35 kilometres from where he

started.Student A: What did the police immediately begin

(to do)?Student B: They began a search for Bogucki.Student A: What did they use?

S W A N T E D T G

C L I M B E D H F

O L I V E D S O O

U S A P R W E U U

S T U D I E D G N

E T R O N N K H D

C O I N B T O T K

R O D R O V E A U

B K I G R E W U P

Page 5: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 4Student B: They used trackers, planes and four-wheel-

drive vehicles.Student A: When did they stop the search, and what did

they think?Student B: They stopped the search after twelve days

because they thought that Bogucki was probably dead.

Student B: What did Bogucki’s parents believe?Student A: They believed he was still alive.Student B: What did his parents get, and from where?Student A: They got a team of trackers from America.Student B: What did the team bring with them?Student A: They brought specially-trained dogs.Student B: What did the team find?Student A: They found new signs of Bogucki.Student B: How far were these from where Bogucki

started?Student A: About 400 kilometres from where he started.Student B: What did the things they found include?Student A: They included an empty water bottle, his

notebook and his tent.Student B: Where did the helicopter find him, and where

did it take him?Student A: The helicopter found him near his last camp

and took him to hospital.Student B: What did the doctors say?Student A: The doctors said he was in surprisingly good

health.Student B: How much weight did he lose during his

time in the desert?Student A: He lost 20 kilograms.Student B: How did he stay alive?Student A: Bogucki stayed alive by eating plants and

flowers.

Page 6: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 5Unit 5 Extra practice: Key1 Words to be circled:

BIN – PEN – DICTIONARY – SCISSORS – ENVELOPE – PHONE

2 2 59% 3 41% 4 25% 5 52% 6 48% 7 80%

3 2 deliver 3 request 4 inform 5 require 6 apologise 7 receive 8 refund

4 2 carton 3 coffee 4 tin can 5 wood 6 bottle

5 2 wood 3 friendly 4 leather 5 made 6 sea 7 second 8 recycle

Unit 5 Revision: Key1 2 a little 3 some 4 any 5 a lot of 6 much

2 2 d 3 a 4 f 5 e 6 b

3 2 lots 3 some 4 a lot of 5 any 6 a little

4 2 Ø 3 the 4 Ø 5 Ø 6 the

5 2 the 3 ✓ 4 the 5 the 6 ✓

6 2 b 3 a 4 a 5 b 6 b

Unit 5 Extension: Key1 1 complaint 2 thirty 3 before 4 refund

2 Paragraph 1: b Paragraph 2: c Paragraph 3: d paragraph 4: a

3 1 I ordered an MP3 player over 3 weeks ago. 2 I got an email saying it wasn’t currently available. 3 I sent an email to cancel the order, but the MP3

player arrived the next day. 4 It wasn’t the same as the product I ordered. 5 I want to return it and get a refund.

4 a 1 b, 2 e, 3 a, 4 c, 5 d b c c b

5 Students’ own answers Teacher’s checklist Ξ Is the student’s writing in paragraphs? Ξ Has the student written appropriate opening and

closing paragraphs? Ξ Do the main body paragraphs address the

problems? Ξ Has the student included a request for what they

want to be done? Ξ Has the student used appropriate language for a

formal email of complaint?

Page 7: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 6Unit 6 Extra practice: Key1 2 child 3 teenager 4 young adult 5 middle aged 6 pensioner

2 Words to be circled: MUSIC – COSTUMES – FLOATS – DECORATIONS –

CANDLES – FIREWORKS – CELEBRATIONS – PARADE – MASK

3 2 get 3 learn 4 go 5 take 6 start 7 drive 8 open

4 2 back 3 engaged 4 presents 5 plane 6 together 7 pension 8 driving licence

5 2 geographic 3 ancient 4 sad 5 tasty 6 dull

Unit 6 Revision: Key1 2 to hear 3 to buy 4 to speak 5 to retire 6 to travel 7 to be

2 2 We have arranged to meet at the festival. 3 It’s tiring to travel such long distances. 4 My cousin hopes to get married next year.

5 Did he agree to film the wedding? 6 He called to invite me to his birthday party.

3 2 want to 3 to buy 4 decided to have 5 (for people) to be 6 want to leave

4 2 She is going / She’s going 3 I’ll make / I will make 4 ✓ 5 are you planning 6 are getting / are going to get

5 2 I’ll buy 3 is travelling 4 would like to invite 5 is going to find out 6 to do

Unit 6 Extension: Key1 1 (The reason for the event was) to celebrate the

writer’s sister’s engagement. 2 All of Daphne’s friends and family (were invited). 3 (The party was held) in a massive hall at a local

hotel. 4 The men wore smart suits and the ladies wore

beautiful dresses. 5 They spent the evening laughing and chatting

and dancing. 6 The writer was tired (at the end of the evening)

but had a wonderful time.

2 Paragraph 1: b Paragraph 2: d Paragraph 3: a paragraph 4: c

3 Sample response: Food: traditional, dull, tasty, disgusting, great, wonderful Clothes: traditional, wonderful, beautiful, great,

colourful, dull Feelings: miserable, excited Place: traditional, historic, massive, beautiful,

wonderful, dull, great

4 Students’ own answers

5 Students’ own answers Teacher’s checklist Ξ Is the student’s writing in paragraphs? Ξ Does the opening paragraph set the scene, describe

what the event was and explain its importance? Ξ Do the main body paragraphs contain a

description of the setting of the events, the people who attended, what happened and people’s feelings?

Ξ Are appropriate descriptive adjectives used in the writing?

Ξ Does the closing paragraph describe the writer’s final feelings about the event?

Y C S H C A N D L E S

O O I M B E T E T E D

M S D V E D E C E C O

U T F I R E W O R K S

S U L D I S N R N R E

I M F E N C S A R A S

C E L E B R A T I O N

U S O B R A T I O N S

L P A R A D E O R O N

T E T M A S K N A N T

M A S A T C O S T U M

Page 8: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 7Unit 7 Extra practice: Key1 2 designer 3 assistant 4 engineer 5 programmer 6 representative 7 manager

2 Words to be circled: STUDIO – SKILLED – PHOTOCOPIER – SPACIOUS –

FACTORY – MEETING – OFFICE – CREATIVE

3 2–5 business / someone a favour / well at school / work

6–10 a mistake / breakfast / money / your bed / a decision

4 2 training 3 holiday 4 pension 5 colleagues 6 salary 7 teamwork

5 2 highly-qualified 3 long hours 4 current 5 ambitious 6 promotion 7 hard-working

Unit 7 Revision: Key1 2 on 3 next 4 in 5 under 6 into 7 outside

2 2 in 3 through 4 in 5 into 6 down

3 2 Have . . . applied 3 have spoken / ’ve spoken 4 have . . . studied 5 hasn’t made / has not made 6 have been 7 Has . . . left

4 2–4 26th August / I was born / June 5–8 a long time / days / several weeks / three years

5 2 did you sign 3 hasn’t repaired / has not repaired 4 Has he worked 5 joined 6 has designed

6 2 b 3 b

4 a 5 b 6 c

Unit 7 Extension: KeySample response:Student A: Can you tell me the applicant’s name, please?Student B: His name is John Addley.Student A: What about his date of birth?Student B: He was born on 6 May 1988.Student A: What’s his address, please?Student B: It’s 10a Manor Street, Chorley, Lancashire.Student A: What about his education?Student B: He’s got a BA in Office Management from the

University of Leicester.Student A: What about his present job?Student B: He’s worked as a manager at Ashton

Advertising since 2006.Student A: What do his duties include?Student B: They include management of office staff,

organising meetings and giving presentations.Student A: What is his past work experience?Student B: From 2002 until 2006 he worked as an

assistant manager at Kappa Insurance.Student A: Has he got any skills?Student B: He speaks English and German. He knows

Word and PowerPoint. He’s a good organiser.Student A: What about his interests?Student B: He enjoys rugby and going to the cinema.Student A: Has he got any references?Student B: Yes – James Wells, the managing director of

Kappa Insurance.

Student B: What’s the applicant’s name?Student A: Her name is Lisa Robinson.Student B: Can you tell me her date of birth, please?Student A: Her date of birth is 22 November 1986.Student B: What’s her address?Student A: She lives at 3 Brook Street, Dover, Kent.Student B: What about her education?Student A: She’s got a BSc in Information Technology

from the University of Derby.Student B: What’s her present job?Student A: Since 2004 she’s worked as a sales assistant

at Royston’s Computers.Student B: What do her duties include?Student A: They include serving customers, answering

the phone, taking phone orders and ordering new supplies.

Student B Has she got any past work experience?Student A: From 2001 to 2003 she worked as a sales

assistant at Deal Computers.Student B: Has she got any skills?Student A: She speaks French, Italian and English. She’s

got computer skills in Excel and Word. She’s hard-working and helpful.

Student B: What about her interests?Student A: She likes classical music and yoga.Student B: Has she got any references?Student A: Yes – Karl Brent, the manager at Deal Computers.

Page 9: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 8Unit 8 Extra practice: Key1 2 vending machine 3 light bulb 4 telescope 5 memory stick 6 wind turbine 7 camera 8 laptop Hidden word: internet

2 2 log on 3 upload 4 search 5 write 6 subscribe 7 set up 8 download

3 2 follow 3 solve 4 invent 5 switch on 6 make 7 find 8 press

Unit 8 Revision: Key1 2 which / e 3 where / a 4 who / f 5 which / b 6 who / d

2 2 I can’t remember the site where I saw the information.

3 Do you know the girl who writes this travel blog? 4 That’s the iPhone which Susan keeps talking

about. 5 I need to go back to the bank where I opened an

account. 6 Joe has a cousin who designs websites.3 2 where 3 which 4 who 5 which 6 where

4 2 usually log on 3 will be 4 Do you feel 5 will tell / ’ll tell 6 boils

5 2 won’t connect, don’t connect 3 will order, order / always will, always 4 is (pleased), will be (pleased) / ’ll be (pleased) 5 plugged, plug 6 will subscribe, subscribe

6 2 b 3 a 4 b 5 b 6 a

Unit 8 Extension: Key1 1 T 2 T 3 F 4 F

2 Paragraph 2: send emails, browse the internet MP3 player and camera Paragraph 3: more expensive than ordinary mobiles,

so much worse to lose Paragraph 4: expensive but useful

3 To put it differently: In other words For instance: For example For that reason: As a result In conclusion: To sum up Moreover: Furthermore To begin with: First of all But: However In contrast: On the other hand

4 1 b 2 a

5 Students’ own answers Teacher’s checklist Ξ Is the student’s writing in paragraphs? Ξ Is there an appropriate opening and closing

paragraph? Ξ Do the main body paragraphs give the advantages

and disadvantages with supporting ideas? Ξ Has the student used suitable connecting words

and phrases?

Page 10: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 9Unit 9 Extra practice: Key1 Words to be circled: OBJECT – HOMOPHONE – WRITING –

VERB – CHARACTER – ALPHABET – LETTER – COMMUNICATE

2 2 take 3 acquire 4 enrol 5 publish 6 work 7 apply 8 learn

3 2 pick up 3 die out 4 set up 5 write down 6 pass on 7 get together

4 2 Latin 3 British 4 PhD 5 subject 6 borrowed

5 2 native 3 language 4 issue 5 speakers 6 awareness 7 interesting 8 disappear

Unit 9 Revision: Key1 2 A variety of degree programs is offered by the

university. 3 A weekly newsletter is sent to your chosen

email address. 4 The latest teaching methods are used. 5 Is a different kind of Chinese spoken in

Hong Kong? 6 My Italian language skills are kept up-to-date

with online videos. 7 All sorts of handy learning tips are exchanged

by the students.

2 2 is offered 3 are assessed 4 are provided 5 are expected 6 is required 7 is completed

3 2 ✓ 3 by a thief 4 by people 5 ✓ 6 ✓

4 2 was the first word written 3 were found 4 were not used / weren’t used

5 Were eBooks published 6 was represented

5 2 b 3 a 4 a 5 b 6 a

Unit 9 Extension: KeySample responses (answers may vary slightly):Student A: What do I need to do to enrol on the computer

graphics course?Student B: The first thing you need to do is fill in an

enrolment form.Student A: Where do I get the enrolment form?Student B: It’s an online form and it’s on our website.Student A: How much does the course cost?Student B: The course costs 600 euros.Student A: What do I need to do to get a place on the course?Student B: You have to pay a deposit of 100 euros.Student A: Do I need any qualifications for the course?Student B: The only qualifications that are needed are

basic computer skills. Student A: How long does the course last?Student B: The course lasts 6 weeks.Student A: Who is the teacher for the course?Student B: The course teacher is a professional in

computer graphics.Student A: How many students are on the course?Student B: There are 35 students on the course.Student A: What books do I need for the course?Student B: There is one course book to buy.Student A: How much does the course book cost?Student B: It costs 40 euros.

Student B: What do I have to do to enrol on the Chinese language course?

Student A: First of all, you have to apply for the enrolment form.

Student B: How do I receive the enrolment form?Student A: Once you’ve applied for it, we send it to your

address.Student B: How much does the course cost?Student A: The course costs 800 euros.Student B: When do I have to pay for the course?Student A: When you enrol, you need to pay for the

course in full. Student B: What qualifications do I need for the course?Student A: No qualifications are needed for the course,

because it’s a beginners course.Student B: How long does the course last?Student A: It’s a 12-week course.Student B: Who is the teacher for the course?Student A: The teacher is Chinese, and a qualified

language teacher.Student B: How many students are on the course?Student A: There are 25 students at each level.Student B: What books do I need for the course?Student A: Before the course begins, you will need to

buy a set of four course books.Student B: How much do the books cost?Student A: They cost 120 euros.

Page 11: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 10Unit 10 Extra practice: Key1 2 self-catering 3 accommodation 4 water sport 5 sightseeing 6 sunbathing 7 sleeping bag Hidden word: camping

2 2 amazing 3 frightened 4 tired 5 bored 6 worried 7 interesting 8 annoying

3 Words to be circled: CELLAR – CANAL – DISTRICT – CATACOMBS –

AVENUE – TUNNEL – ROAD – RIVER – CEMETERY

4 2 legendary 3 included 4 brochure 5 expert 6 company 7 admission

Unit 10 Revision: Key1 2 got, had already left 3 had missed, took 4 arrived, had travelled 5 didn’t want, had just had 6 realised, had forgotten 7 Had she tried, decided

2 2 drove to the airport, he had already checked 3 had left by the time we arrived 4 booked the hostel after they had done 5 had switched off our cameras and mobiles when

we entered 6 wrote a travel blog after she had sailed

3 2 Which cruise is more expensive? 3 Where do you live? 4 Where are the tickets? 5 What do you want to see next? 6 When do you plan to book the cabins?

4 2 did you enjoy 3 does he manage 4 happened 5 did she take 6 paid

5 2 a stunning b stunned 3 a bored b boring 4 a tiring b tired 5 a worried b worrying 6 a exciting b excited

Unit 10 Extension: KeyStudent B: Where did you go on holiday?Student A: I went to Thailand. It was fascinating.Student B: How did you travel?Student A: I went by plane. It was my first time and I

was scared.Student B: Who did you go on holiday with?Student A: I went with my best friend. She / He was

excited too.Student B: Where did you stay?Student A: We stayed in a beach hut. It was amazing.Student B: What did you do in the day?Student A: We did water sports. It was tiring. We went

sightseeing too. It was really interesting.Student B: What did you do in the evening?Student A: We didn’t do much because we were too

tired. We went to local restaurants. The food was amazing.

Student B: What was the best moment of the holiday?Student A: We went diving. It was exciting.Student B: What was the worst moment?Student A: Our flight home was delayed. We were very

annoyed.Student B: What was the holiday like overall?Student A: It was a great holiday. It was really interesting.

Student A: Where did you go on holiday?Student B: I went to Rome. It was very interesting.Student A: How did you travel?Student B: I went by ferry and train. It was quite tiring.Student A: Who did you go on holiday with?

Student B: I went with a group of friends. They were fascinated too.

E S C E L L A R I

D C A N A L V O C

I S T L V O N A E

S T A P E L T D M

T A C U N N U R E

R D O A U L N I T

I A M L E R N V E

C C B E A C E E R

T O S V T O L R Y

Page 12: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 10Student A: Where did you stay?Student B: We stayed at a student hostel. It was exciting.Student A: What did you do in the day?Student B: We went sightseeing. The buildings were

amazing. We went to archaeological sites too. They were fascinating.

Student A: What did you do in the evening?Student B: We went to concerts and theatres. It was mostly

interesting, but sometimes it was boring.Student A: What was the best moment of the holiday?Student B: We went to the Vatican museum. I was so excited

to see it.Student A: What was the worst moment?Student B: I got lost. I was very worried.Student A: What was the holiday like overall?Student B: It was a brilliant holiday. It’s an amazing place.

Page 13: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 11Unit 11 Extra practice: Key1 Words to be circled: POT – SKELETON – PLATE – GOLD – KNIFE –

JADE – STATUE

2 2 historical 3 around 4 attraction 5 preserved 6 conservationists 7 destroy 8 impact 9 economy 10 generations

3 2 castle 3 sacrifice 4 ancient 5 monument 6 discovery 7 society 8 archaeologist

4 2 individual 3 Inca 4 Sputnik 5 pyramids 6 architecture

5 1 culture 2 tourism 3 modern 4 orbit 5 planet 6 astronaut 7 politics

Unit 11 Revision: Key1 2 used to be 3 used to write 4 used to carry 5 did not use to have / didn’t use to have 6 Did ... use to practise 7 used to build

2 2 Did the Celts use to be hunters? 3 Fewer people used to live in this city. 4 Communication used to be much simpler in the

past. 5 Did Jane Goodall use to keep a diary about her

life with the chimpanzees? 6 The Aztecs didn’t use to have pets.

3 2 use to 3 use to 4 travelled 5 Did the Mayans use 6 used to be

4 2 loved reading biographies of famous individuals. 3 was watching the documentary then / at that

moment. 4 had not wanted to miss visiting the lost city of

Machu Picchu. 5 had changed. 6 would visit that museum the next day / the

following day.

5 2 ✓ 3 had read 4 said 5 the week before / the previous week 6 ✓

6 2 b 3 b 4 a 5 b 6 a

Unit 11 Extension: Key1 1 Father of the Digital Age 2 digital technology 3 grew up 4 started 5 returned 6 in charge 7 most creative 2 Paragraph 1: d Paragraph 2: a Paragraph 3: b Paragraph 4: c

3 Students’ own answers

4 Students’ own answers Teacher’s checklist Ξ Is the student’s writing in paragraphs? Ξ Is there an appropriate opening and closing

paragraph? Ξ Do the main body paragraphs contain details

about the subject’s life and achievements?

Page 14: Unit 2 - Cengage Asia

Life Pre-intermediate © National Geographic Learning

Unit 12Unit 12 Extra practice: Key1 2 human 3 eagle 4 crocodile 5 flower 6 shark 7 butterfly

2 Words to be circled: SUN – FLOOD – LIGHTNING – STORM – TORNADO – THUNDER – RAIN – HURRICANE – SNOW

3 Words to be crossed out: 2 organisms 3 scorpions 4 economic difficulties 5 beach 6 ecosystem

4 2 development 3 extinction 4 unemployment 5 traffic 6 hunting 7 resources Hidden word: climate

5 2 levels 3 glaciers 4 change 5 explore 6 growing 7 import

Unit 12 Revision: Key1 2 anyone 3 everywhere 4 Somebody 5 anything 6 something 7 Everyone 8 anywhere 9 Everything

2 2 If I had the money, I would donate 100 Euros a month to conservation projects.

3 We would have a much cleaner atmosphere if everyone planted a tree.

4 What would you do if a hurricane hit your town? 5 He wouldn’t tell you about the rescue centre if it

wasn’t important. 6 There wouldn’t be so much illness if everyone

had clean drinking water. 7 If governments tried harder to stop poaching,

many more species would survive.

3 2 b 3 a 4 b 5 c 6 a

4 2 would die, rained 3 Would you come, had 4 disappeared, would be 5 protected, would become 6 would be, stopped

Unit 12 Extension: Key1 Suggested responses: How could / might we stop animal poaching? What could / might we do about rising crime? What might / could we do to protect fish stocks? How might / could we help people who don’t have

enough food? What could we do to help stop people (from) wasting

water? How could / might we stop the sea (from) getting

polluted? How could / might we encourage technological

industries? What might / would we need to do if summers

became drier? What would / might we need to do to protect

animals in the wild?2 Student B’s own answers3 Student A’s own assessment

1 Student A’s own answers 2 Suggested responses: How could / might we protect animals (that are)

close to extinction? What could we do about large populations in cities? How could / might we help stop unemployment? What could we do to protect traditional industries? How could / might we protect oil supplies? What could we do if sea levels started rising? What might we need to do if the climate became colder? What might we need to do if oil runs out? How might / could we grow more crops to feed more

people?3 Student B’s own assessment

S F R E L S A S I

U L A T I T G H T

N O T L G O T U H

S O A D H R O N U

E D C U T M R D N

E R A I N O N E D

H U R R I C A N E

S N O W N R D E R

R E M E G S O R O