新理念外语网络教学平台第二版综合答案B2U8CWord下载.docx

1、 2. The doctors were not puzzled by new kinds of sickness appearing among their patients. B 3. There was now no sound; only silence lay over the fields and woods and marsh. 4. There had been several sudden and unexplained deaths among adults and children. 5. Though the litters were small, the young

2、survived, thus the farmers were still able to raise pigs. 6. The people silenced the rebirth of new life in this stricken world themselves. 7. The most alarming of all mans assaults upon the environment is the contamination of air, earth, rivers, and sea with dangerous and even lethal materials. 8.

3、Such a barrage of poisons called insecticides is possible to lay down on the surface of the earth without making it unfit for all life. 9. Chemicals sprayed on croplands lie short in the soil without entering into living organisms. 10. One in six countries in the world face food shortages because of

4、 severe droughts. Section B In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just hea

5、rd. Finally, when the passage is read for the third time, you should check what you have written. Most people have （11）_ environmental pollution in the form of an open garbage dump. However, pollution can also be （12）_ . Some kinds of pollution do not actually dirty the land, air, or water, but they

6、 reduce the quality of life for people and （13）_ . For example, noise from （14）_ and machinery can be considered forms of pollution. Environmental pollution is one of the most （15）_ problems facing humanity. Badly polluted air can cause （16）_ illnesses. Some air pollutants have reduced the capacity

7、of the atmosphere to （17）_ the suns harmful ultraviolet （18）_ . Many scientists believe that these and other air pollutants have begun to change （19）_ around the world. Ocean pollution （20）_ many marine organisms. Most people have witnessed environmental pollution in the form of an open garbage dump

8、. However, pollution can also be invisible. Some kinds of pollution do not actually dirty the land, air, or water, but they reduce the quality of life for people and other living things. For example, noise from traffic and machinery can be considered forms of pollution. Environmental pollution is on

9、e of the most serious problems facing humanity. Badly polluted air can cause life-threatening illnesses. Some air pollutants have reduced the capacity of the atmosphere to filter out the suns harmful ultraviolet radiation. Many scientists believe that these and other air pollutants have begun to cha

10、nge climates around the world. Ocean pollution endangers many marine organisms. witnessed invisible other living things traffic serious life-threatening filter out radiation climates endangers Part II Reading Comprehension （ 25 minutes ） In this section, there is a passage with several blanks. You a

11、re required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. You may not use any of the words in the bank more than once. Then a stran

12、ge blight 21 the area and everything began to change. Some evil spell had 22 the community: mysterious maladies 23 the flocks of chickens; the cattle and sheep sickened and died. Everywhere was a 24 of death. The farmers spoke of much illness among their families. In the town the doctors had become

13、more and more 25 by new kinds of sickness appearing among their patients. There had been several sudden and 26 deaths not only among adults but even among children, who would be 27 suddenly while at play and die within a few hours. There was a strange 28 . The birds, for example where had they gone?

14、 Many people spoke of them, puzzled and disturbed. The feeding stations in the backyards were 29 . The few birds seen anywhere were moribund; they 30 violently and could not fly. It was a spring without voices. A） sweeping B） unexplainable C） swept D） unexplained E） stricken F） shadow G） stillness H

15、） trembled I） deserted J） settled down K） shook L） threw M） crept over N） settled on O） puzzled 21. _ M 22. _ N 23. _ C 24. _ F 25. _ O 26. _ D 27. _ E 28. _ G 29. _ I 30. _ H There are several passages in this section. Each passage is followed by some questions or unfinished statements. For each of

16、 them there are four choices marked A）, B）, C） and D）. You should decide on the best choice. Passage One Questions 31 to 35 are based on the following passage. When school was out, I hurried to find my sister and get out of the schoolyard before seeing anybody in my class. But Barbara and her friend

17、s had beaten us to the playground entrance and they seemed to be waiting for us. Barbara said, So now youre in the A class. She sounded impressed. Whats the A class? I asked. Everybody made superior yet faintly envious giggling sounds. Well, why did you think the teacher moved you to the front of th

18、e room, dopey? Didnt you know you were in the C class before, way in the back of the room? Of course I hadnt known. The Wenatchee fifth grade was bigger than my whole school which had been in North Dakota, and the idea of subdivisions within a grade had never occurred to me. The subdividing for the

19、first marking period had been done before I came to the school, and l had never, in the six weeks when Id been there, talked to anyone long enough to find out about the A, B, and C classes. I still could not understand why that had made such a difference to Barbara and her friends. I didnt yet know

20、that it was shameful and dirty to be a transient laborer and ridiculous to be from North Dakota. I thought living in a tent was more fun than living in a house. I didnt know that we were gypsies, really （how that thought would have excited me then! ）. It didnt occur to me that we were all looked upo

21、n as one more of the untrustworthy natural phenomena, drifting here and there like mists or winds, I didnt know that I was the only child who had camped on the Baumanns land ever to get out of the C class. I only knew that for two happy days I walked to school with Barbara and her friends, played ho

22、pscotch and jumped rope with them at class intervals, and was even invited into the house for some ginger ale a strange drink I had never tasted before. 31. The tone of this passage as a whole is _. A） reflective B） enthusiastic C） impersonal D） defensive 32. The narrator had most probably been plac

23、ed in the C class because _. A） she was a poor reader B） she had come from a small school C） the marking system confused her D） all children of transient laborers were placed in the C class 33. The basic reason why people in the community distrusted the transient workers was that the transient worke

24、rs _. A） tended to be lawbreakers B） had little schooling C） were afraid of strangers D） were temporary residents 34. Which of the following is NOT the characteristic of Gypsies? A） Wandering around the world. B） Making ginger ale in their house. C） Never planting something. D） Being foreigners wher

25、ever they go. 35. Immediately after the narrator was moved to the A class, what was the attitude of Barbara and Barbaras friends towards her? A） Dislike. B） Acceptance. C） Apology. D） Jealousy. Passage Two Questions 36 to 40 are based on the following passage. More and more, the operations of our bu

26、siness, governments, and financial institutions are controlled by information that exists only inside computer memories. Anyone clever enough to modify this information for his own purposes can reap substantial rewards. Even worse, a number of people who have done this and been caught at it have man

27、aged to get away without punishment. Its easy for computer crimes to go undetected if no one checks up on what the computer is doing, but even if the crime is detected, the criminal may walk away not only unpunished but with a glowing recommendation from his former employers. Of course, we have no statistics on crimes that go undetected. But its disturbing to note how many of the crimes we