Unit 8 Safety（第五课时）

Do you see fire extinguisher before?

hold sweep

squeeze

aim

base flame

press

Do you know how to use fire extinguisher?

Warming-upRead the fire safety warnings.

If the fire is spreading too fast leave the building fast .

If the fire might block your only exit

don’t use the fire extinguisher.

Read the fire safety warnings.

If any of the above conditions exist

leave the building immediately!

Critical Thinking

If the fire is large, will you use the fire extinguisher?

Will you use the elevator if you leave the building?

No, leave the building quickly.

No, use stairs.

Critical Thinking

Read about these situations. Then choose advice for

each person and explain your answer.

(1) Li Shufang is working in a garage. There is a small fire in front of the exit door. She has a fire extinguisher, and she knows how to use it.

Leave the building fast and call 119.

the exit door 用了定冠词，说明只有一个出口， 因此当火可能封住你的唯一出口时，最好尽快逃生。

Critical Thinking

Read about these situations. Then choose advice foreach person and explain your answer.

(2) Mark Zhao sees a small fire on the second floor at a work. He has a fire extinguisher but isn’t sure how to use it.

Leave immediately. Go down the stairs. Call 119.

Writing

Read David’s note to Lisa.

When will David be back?

It is around 6: 30.

What should Lisa do if Maria has a fever?

Call Dr.Luo. Her number is 565-7222.

What is the problem in the laundry room?

The floor is always wet. You might slip.

Writing

When do you need help in your daily life?

You may ask your friend to take care of your pet when you go outside for a long time.

You may ask your friend to buy something for you when you are busy.

Writing

Useful expressions

Thanks a million for doing something.

Be careful when you do something.

I will be back around …

Do it yourself!Read the directions on the fire extinguisher. Then talkabout the directions with your classmates.

Hold upright. Pull ring pin.

Stand back 10 feet. Aim at base of flame.

Squeeze lever. Sweep side to side.

Summary

1. Do you know how to use the fire extinguisher?

2. How to write a note to someone who is

helping you with something?

Homework

• 1. Review the words and phrases on page 98.

• 2. Authentic practice12, 13, 14 on page 200.

• 3. Search and collect the information about safety problems.