Energy- saving bulbs should be used to save electricity1. In Western countries electricity, gas, and water are necessities.. North American and European countries are interested in sa
Trang 2gas
Trang 3Unit 7
Saving energy
READ
Trang 5a bulb : bóng đèn tròn
Trang 7a category: loại hạng.
>< necessities: hàng nhu yếu phẩm
luxuries(pl.n): hàng xa xỉ phẩm
an innovation: sáng chế mới
a labeling scheme: hệ thống nhãn
vocabulary
a consumer: người tiêu dùng
a bulb : bóng đèn tròn
Trang 81 a category
2 a consumer
3 luxuries
4 necessities
5 a labeling scheme
6 a bulb
7 an innovation
a) hàng xa xí phẩm b) loại, hạng
c) hàng nhu yếu phẩm d) người tiêu dùng
e) hệ thống nhãn f) sáng chế mới g) bóng đèn tròn
Trang 9Which of the following is the best summary of
the passage?
1 Energy- saving bulbs should be used to save
electricity.
2 In Western countries electricity, gas, and
water are necessities.
3 North American and European countries are
interested in saving money and natural
resources.
4 Labeling schemes help saving energy.
Trang 10In Western countries, electricity, gas, and water are not luxuries but necessities Companies now realize that consumers want products that will not only work effectively, but also save money
percent to 15 percent of electricity bill However, this amount can be reduced by replacing an ordinary 100 watt light bulb with an energy- saving bulb These bulbs use a quarter of the electricity of standard bulbs and last eight times longer Therefore consumers can save about US$7 to US$21 per bulb
In Europe, there is a labeling scheme for refrigerators freezers, washing machines and tumble dryers The label tells the consumers how much energy efficiency each model has, compared with other appliances in the same category
Trang 11Which of the following is the best summary of
the passage?
1 Energy- saving bulbs should be used to save
electricity.
2 In Western countries electricity, gas, and
water are necessities.
3 North American and European countries are
interested in saving money and natural
resources.
4 Labeling schemes help saving energy.
Trang 12Answer the questions Write the answers in
your exercise book.
she uses two energy- saving bulbs instead?
Trang 13Discussion:
What do you do to spend less on lighting at home and at school?
Trang 141) Read the text again
2) Do the exercise 5a, and b (P61)