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dungsociu2k22
2 năm trước
Bài 4: Một học sinh đọc một suyển sách trong ba ngày. Ngày thứ nhất đọc 2/9 số trang, ngày thứ hai đọc 1/3 số trang. Ngày thứ ba đọc nốt 40 trang sách còn lại.Hỏi quyển sách đó dài bao nhiêu trang?
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In the modern world, people depend on energy to power their everyday lives. A wide range of power-run devices and modern conveniences (1)………….and although it may seem that we will not be in danger of living without those conveniences, the fact is that many supplies of energy are running out rapidly. Scientists are constantly (2)………….new sources of energy to keep modern society running. Whether furture populations will continue to enjoy the benefits of abundant energy will depend (3 ………….the success of this search. Coal, oil and natural gas are now being used widely. (4)…………., these supplies are limited, and they are a major source of pollution. Therefore, the existing alternative energy sources must be improved or further explored and developed. These include nuclear, water, solar, and wind power, as well as energy from new, (5)…………. Types of fuels. Each of these , however, has advantages and disadvantages. 1. A. are used B. used to C. are using D. use 2. A. looking into B. searching for C. researching D. finding 3. A. on B. for C. with D. in 4. A. Moreover B. Because C. Although D. However 5. A. polluting B. polluted C. nonpolluting D. pollution

32. She was brought up in a (well-off) family. She can’t understand the problems we are facing. A. poor B. broke C. wealthy D. kind 33. (At times), I look at him and wonder what is going on his mind. A. Never B. Always C. Hardly D. Sometimes 34. We hope to become more (accurate) in predicting earthquakes. A. dangerous B. delicious C. nervous D. exact 35. We should buy a new house at (affordable) price. A. reasonable B. cheap C. low D. good 36. There was a (respectful) minute silence as we remembered the victims of virus covid-19. A. reflexive B. memory C. worshipful D. well-mannered 37. We have to cross a (crowded) street to get to school everyday. A. large B. busy C. small D. narrow 38. Humans will enjoy longer life expectancy when they are more (conscious of)  what they eat and do. A. aware of B. capable of C. responsible for D. suitable for 39. Those who don't have computer skills are really (behind the times). A. out of work B. out of fashion C. out of date D. out of question 40. Fruits and vegetables on the island are (abundant), which enables the islanders to make a fortune. A. plentiful B. different C. effective D. economical 41. Father has lost his job, so we’ll have to (tighten our belt) to avoid getting into debt. A. earn money B. spend money C. sit still D. economize 42. Sorry, I’m late. A problem (came up) with the keys. A. rose B. happened C. appeared D. became available 43. It will be fine tomorrow. But if it should rain tomorrow, the match will be (postponed). A. turned off B. put off C. sold off D. taken off 44. Laws on military service since 1960 still (hold good). A. is in good condition B. remains for good C. stands in life D. remains in effect 45. He was asked to (account for) his presence at the scene of crime. A. complain B. exchange C. explain D. arrange 46. Water pollution is a result of dumping (pollutants) such as detergents, pesticides, oil, and other chemicals in rivers, which makes the water unclean. A. substances B. stuffs C. contaminants D. wastes 47. Roget's Thesaurus, a collection of English words and phrases, was originally arranged by the ideas they express (rather than) by alphabetical order. A. restricted B. as well as C. unless D. instead of 48. Let's wait here for her; I'm sure she'll (turn up) soon. A. return B. arrive C. enter D. visit 49. I could see the finish line and thought I was (home and dry). A. hopeless B. hopeful C. successful D. unsuccessful 50. (Carpets) from countries such as Persia and Afghanistan often fetch high prices in the United States. A. Artifacts B. Pottery C. Rugs D. Textiles 51. Sue and Daisy are as different as chalk and cheese. No wonder their friendship has (broken up) recently. A. changed B. ended C. improved D. appeared 52. He was (astounded) at his bad luck. He couldn't believe it. A. unhappy B. frightened C. astonished D. amused 53. Your house is always so (neat). How do you manage it? A. dirty B. messy C. tidy D. organised 54. The two necklaces were very (alike). A. similar B. equal C. double D. uniform

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