1. They suggest that we.................., throw trash in public places.
D. won't A. don't have to B. shouldn't C. not to
2. John didn't come to the meeting yesterday,..........we went without him
A. consequently B.so C. therefore D. All are correct
3. Using publio transports is an effective way to.......traffic jam and pollution.
À. reduce B. increase C. continue D. gain
4. A clean, safe forim of energy which comes from the sun is .............
A. solar energy B. fossil energy C. lunar energy D. wind energy
5. A: I.suggest fixing the dripping faucets. -B: .............
A. Good idea . B. yes, please C.I'm afraid not D. We will
6. television, dishwashers and refrigerators are electrical.............
A. appliances B. things C. households D. tools
7. The energy-saving bulbs use a quarter of the electricity of standard bulbs and.............. eight times lönger.
A. use B. save C. last D. waste
Choose the word in each grpup that has the underlined, italic, part prohounced differently from the rest.
8. A. standard B.category C. ancient D. craclk
9. A. ergularly . B. ersource . C. energy D. suggest
10.B. cracked A. dripped C. replaced D. received
11. A. liters B. bills D. wastes C. posters
12. Solar ....are placed on the roofof a house to get energy
B. bars C. panels D. sheets A. boards
13.We're very about spending a lot of money on energy in our homes.
C.pleased D. hopeless A. disappointed B. worried
14. 'He is interested in . natural resources but he doesn't know how to do.
B. conserving C. conservation D. conservationist A. conserve
15. Don't waste water or you'll get an enormous............by the end of the month.
A. letter B. receipt C. bill D. paper
16. Solar energy doesn't ............pollution or waste natural resources
B. make A. cause C. stop D. reduce
17. Lighting....for 20 per cent of our electricity bill.
A. accounts B. wastes C. makes D. uses
There is a mistake in the four underlined parts mistake (A, B, C or D) and correct it.
18. It's a waste of energetic if we leave the lights on all the time.
19. I don't think I could ever get used to go to work so early.
20. If you want to save money, you shouldn't reduce the amount of water your family use.