Unit7-8E9

UNIT 7 SAVING ENERGY TIẾT KIỆM NĂNG LƯỢNG
I.GETTING STARTED
1.New words:
New words and meanings
Examples

energy : năng lượng energy saving
Switching off lights is a good way to save energy.

faucet/:sit/(n): tap vòi nước
They should turn off the faucets when they don`t use them.






2. Useful structures:
They should turn off the faucets when they don`t use them.
They should switch off the lights before going to bed or out.
They should turn off the television or the radio when they don`t watch or listen to it.
II. LISTEN AND READ .
1.New words:
New words and meanings
Examples

energy : năng lượng energy saving
Switching off lights is a good way to save energy.

recent(adj): gần đây


bill eletricity bill water bill,
I`m worried about my most recent water bill. It`s enormous.

enormous/:məs/(adj):to lớn, khổng lồ


plumber/ /(n): thợ sửa ống nước
You should get a plumber to make sure there are no cracks in the pipes.

crack /kræk/:vết nứt, vết rạn


pipe /paip/(n): ống, ống nước


drip /drip/ (n or verb): chảy, nhỏ giọt
A dripping faucet can waste 500 liters of water a month.

tool/ tu:l/(n or verb): dụng cụ, đồ dùng, chế tạo thành dụng cụ
A bad workman quarrels with his tools.(Idioms)
Múa vụng chê sân khấu hẹp.

2. Useful structures:
- What`s the matter?
- You should reduce the amount of water your family uses.
- Baths use twiceas much water as showers, so I suggest taking showers.And remember to turn off the faucets.A dripping faucet can waste 500 liters of water a month.
- Mi gives Mrs. Ha advice on how to save water.
- Ha has checked the pipes in her house and found no cracks.
- Ha suggests getting some tool to check cracks in the pipes.
- Mi suggests taking showers to save water. III. SPEAK


















Suggestion
Response

I suggest + V-ing ... / I suggest that you should … I think we should + verb bare inf Shall we + verb bare inf? Why don`t we/ you + verb bare inf? How about + V-ing ... What about + V-ing ... Let`s + verb bare inf
Why not + verb bare inf ?
I think we should take the shower instead of a bath to save energy.
How about making posters on energy saving and hanging them around our school?
I think we should use energy-saving light bulbs for ordinary bulbs.
How about turning off the lights and other electric tools when we don`t use them?
OK That`s a good idea. All right. No. I don`t want to. I prefer to ... Yes. Let`s ...

That`s a good idea.
That would be nice.
Great! Let`s do that.
OK. Let`s do it
No, I don`t want to


Examples:

- I think we should turn off the faucet. - I suggest fixing the faucet.
- I suggest turning off the electric oven/ cooker.
- I suggest (that) we turn off the …. - I suggest repairing the cooker. It may be broken.
- Why don`t we switch off the fan? - Shall we have an electrician mend the fan?
- I think we should turn off the air conditioner.
- Let`s switch off the lights and the TV.
- I suggest fixing the faucet in the bathroom.
- I think we should use bikes instead of motorbikes.
- Why don`t we use the public buses?


IV. LISTEN
1. New words
New words and meanings
Examples

solar /`soulə/(adj):thuộc về mặt trời


effective/i`fektiv/(adj):có hiệu quả
effectively/i`fektivli/(adv):có hiệu quả, thực tế
effect/i`fekt/(n): on s.b/ st tác động; tác dụng; hiệu quả; hiệu lực; ấn tượng
This means that effectively we have no chance of finishing on schedule.
the effect of light on plants: ảnh hưởng của ánh sáng lên cây cối

nuclear /`nju:kliə/(adj): thuộc hạt nhân
Most of our eletricity comes from the use of coal, gas, oil or nuclear power.

source /:s/(n):nguồn sông, nguồn
reliable source of information
Idleness is the source of all evil. nhàn cư vi bất thiện