Giúp mình với!Giúp mình với!Giúp mình với! _____, agriculture or industry. But the salt is left (42) _____ during evaporation,and the precipitation that falls to earth is usually water.,Only about 3% of the water on earth is fresh water and most of it is not,easily (43) _____ to man. It includes water locked in (44) _____ and icecaps,,more than 2% of the earth's water. About half of 1% of the earth's water is,beneath the earth's surface. Rivers and lakes contain only about (45) _____ of,1% of the earth's water.,36. a. all of them b. entire c. all it d. all of it,37. a. cover b. over c. extend d. spread,38. a. contain b. consist c. imply d. involve,39. a. mostly b. most of c. the most d. most,40. a. salt b. salty c. bitter d. spicy,41. a. to drink b. drank c. to drinking d. for drinking,42. a. over b. on c. behind d. out,43. a. drinkable b. edible c. available d. valid,44. a. glacial b. glaciers c. ice cubes d. rivers,45. a. one-five b. one-fifth c. one-fifths d. one-fives,VI. Read the following passage and choose the item (a, b, c, or d) that,best answers each of the questions about it.,For the past several decades, people in the United States have taken water,for granted. On the average, each person uses 87 gallons of water a day; of that,amount, only two gallons are actually used for cooking and drinking. Flushing,the toilet once uses six to eight gallons and taking a five-minute shower can,send 25 to 30 gallons down the drain. That's a lot of water! The amount of water,consumed indirectly through food and industrial products is also staggering.,From start to finish, the egg you had for breakfast required 120 gallons of water;,the steak at dinner, 3,500 gallons; the ton of steel in your car, 60,000 gallons.,Now that the days of cheap and plentiful water are over, it is clear that,sacrifices have to be made. The question is, who will make them? The farmers,feel that as they supply a high percentage of the nation's food, they need the,water to keep their farms alive and the country well-fed. Oil and coal compa-,nies, on the other hand, feel their need for water is greater because they,provide the country with important sources of energy. In addition, the demand,for water for personal use is growing as more and more people are moving to,the sunny, warm climate of the Southwest. Retirement communities, such as,Sun City, Arizona, which form green oases in the desert, are becoming increas-,ingly popular. And the population of Los Angeles shows no sign of decreasing.,So, while resources are dwindling, needs are growing. It is clearly time,for both conservation and compromise in the use of our most valuable re-,source, water.,46. According to the article, the major problem of the Southwest is _____.,a. a shortage of water b. drought,c. too much rain d. the energy crisis,UNIT 7: SAVING ENERGY 89

Question

Accepted Answer

36. a. all of them 
   'them' is pronounced differently from the others (ðɛm).

37. c. extend 
   'extend' is pronounced differently from the others (ɪkˈstɛnd).

38. a. contain 
   'contain' is pronounced differently from the others (kənˈteɪn).

39. d. most 
   'most' is pronounced differently from the others (moʊst).

40. a. salt 
   'salt' is pronounced differently from the others (sɔlt).

41. c. to drinking 
   No, 'to drink' is pronounced differently from the others (drɪŋk).

42. b. on 
   'on' is pronounced differently from the others (ɔn).

43. d. valid 
   'valid' is pronounced differently from the others (ˈvælɪd).

44. c. ice cubes 
   'ice cubes' is pronounced differently from the others (aɪs kjubz).

45. c. one-fifths 
   'one-fifths' is pronounced differently from the others (one-fifths*).

The answer is a. a shortage of water