| 英语六级模拟试卷(74) -- 改错 |
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An international team of scientists is studying the problem of pollution and dust in Asia. One- hundred- thirty scientists from twelve countries have gathered in the western Pacific area to observe thick dust storms. They will observe the dust storms which they mix with some of the world’s heaviest 61.____ pollution. The thickest dust storms in recent years reported in 62.____ Beijing, China and other Asian cities last spring. The dust storms come from deserts in China and Mongolia. This year, 63.____ similar dust storms have began moving east toward large Asian 64.____ cities and the northwest Pacific Ocean. The dust storms happen in winter over deserts high below 65.____ sea level. In the spring, the storms move east, over large cities in China, Japan and Korea. By summer, rainstorms break up the dust and help increase pollution in the air. 66.____ The scientists plan observe the dust storms through the 67.____ middle of May. They are using research ships, airplanes, satellites and instrument on the ground to gather information. 68.____ Aerosols are very small particles in the air. The scientists are studying aerosols that contain sulfate and carbon are 69.____ produced by the burning of soft coal,  . BarryHubert of the University of Hawaii is the lead investigators for 70.____ the study. He says developing nations in Asia use a mixture of fuels that are not used in other areas. 答案：61. they ―> \ 这里which 修饰定语从句,they 是多余的主语。 62.∧reported―>were reported 这里报道应是被动式。 63. come－>came 这里应根据上下文时态得出是过去式。 64. began－>begun begin的过去完成式是begun。 65. below －>above 根据题意沙漠应该在海面之上 66. increase－>decrease 根据题意因为是break up the dust因此应该是decrease 67. plan ∧—>to 根据题意应是plan to do something。 68. instrument－>instruments 由于前面的airplane, satellite等都是复数，因此这里可数名词instrument也应该用复数。 69. carbon∧ －>that 因为后面应该是跟从句。 70. investigators－>investigator 因为指一个人，因此应该用复数。 
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