大学英语四级分类模拟题326及答案解析.doc

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1、大学英语四级分类模拟题 326及答案解析(总分：100.00，做题时间：90 分钟)一、Reading Comprehensio(总题数：0，分数：0.00)Most of us have formed an unrealistic picture of life on a desert island. We sometimes imagine a desert island to be a sort of 1 where the sun always shines. Life there is simple and good. Ripe fruit falls from the trees

2、and you never have to work. The other side of the picture is quite the 2 . Life on a desert island is wretched. You either 3 to death or live like Robinson Crusoe, Waiting for a boat which never comes. Perhaps there is an element of truth in both these pictures, but few us have had the opportunity t

3、o find out. Two men who recently spent five clays on a coral island wished they had stayed there longer. They were taking a badly 4 boat from the Virgin Islands to Miami to have it repaired. During the journey, their boat began to 5 . They quickly loaded a small rubber dinghy with food, matches, and

4、 cans of beer and rowed for a few miles across the Caribbean until they arrived at a tiny coral island. There were hardly any trees on the island and there was no water, but this did not 6 to be a problem. The men 7 rainwater in the rubber dinghy. 8 they had brought a spear gun with them, they had 9

5、 to eat. They caught lobster and fish every day, and, as one of them put it “ate like kings“. When a passing tanker rescued them five days later, both men were genuinely 10 that they had to leave. A. when B. sank C. damaged D. few E. starve F. collected G. sink H. paradise I. opposite J. as K. happy

6、 L. plenty M. sorry N. same O. prove（分数：25.00）Keeping healthy requires a conscious effort. You make choices about the foods you eat, just 11 you make choices about getting fresh air, exercise, and rest. And if you are like most people, you are making bad choices, particularly in your diet. I“d like

7、to offer some 12 here. Nowadays, health experts are 13 against fats and proteins. Though these experts are fight in telling you to be careful about the foods you eat, they are wrong in 14 you to stay away from fats and proteins. Both of these things serve important 15 in the body. Fats provide 16 .

8、And they are especially useful because they can be 17 in the body for future use. Proteins are required for growth needs and for 18 the body against disease. It is equally important that they are included in your diet too. A good diet is one that includes some fats and proteinsbut not too much. You

9、should already be eating five servings of vegetables and four servings of fruits every day. So be sure to include two serving of something high in protein and one or two serving of something 19 in fat into your diet. Then you will be on the 20 to great health! A. but B. road C. as D. functions E. ad

10、vising F. collecting G. defending H. unrealistic I. warning J. proper K. energy L. suggestions M. stored N. while O. rich（分数：25.00）The great ship, Titanic, sailed for New York from Southampton on April 10th, 1912. She was carrying 1,316 21 and crew of 891. Even by modern standards, the 46,000 ton Ti

11、tanic was a colossal ship. At the time, however, she was not only the largest ship that had ever been built, but was regarded as 22 , for she had sixteen watertight compartments. Even if two of these were flooded, she would still be able to float. The tragic sinking of this great liner will always b

12、e 23 , for she went down on her first 24 with heavy loss of life. Four days after 25 out, while the Titanic was sailing across the icy water of the North Atlantic, huge iceberg was suddenly spotted by a lookout. After the alarm had been given, the great ship turned sharply to avoid a direct 26 . The

13、 Titanic turned just in time, narrowly missing the immense walk of ice which rose over 100 feet out of the water beside her. Suddenly, there was a slight 27 sound from below, and the captain went down to see what had happened. The noise had been so faint that no one thought that the ship had been da

14、maged. Below, the captain realized to his 28 that the Titanic was sinking rapidly, for five of her sixteen watertight compartments had already been flooded! The order to 29 ship was given and hundreds of people 30 into the icy water. As there were not enough lifeboats for everybody, 1,500 lives were

15、 lost. A. prepared B. passengers C. setting D. plunged E. remembered F. collision G. abandon H. unsinkable I. horror J. qualified K. presentation L. unbelievable M. voyage N. beautiful O. trembling（分数：25.00）It“s the first question parents ask when their child is diagnosed with autism (自闭症). Will his

16、 future brothers or sisters have a higher risk of 31 it, too? According to the largest study of siblings (兄弟姐妹) in families with autism, the answer is yes. Among 664 children who had at least one older sibling with the developmental disorder, the 32 risk of autism was nearly 19%, 33 higher than prev

17、ious sibling-recurrence estimates that were anywhere from 3% to 10%. Kids with more than one older autistic sibling had an even higher risk of the disorder: 32%. The 34 suggest that genes play a key role in autism risk. But they also hint that other environmental factors 35 by siblings, like influen

18、ces in the womb (宫), may be important as well. On the 36 of the findings, the researchers recommend that doctors closely 37 younger siblings of autistic children to pick up any early signs of the disorder, 38 an unusually large head or delayed language development and communication skills. Evidence

19、suggests that early 39 and diagnosis of autism can help children take advantage of therapies that can treat some of its 40 . A. average B. basis C. common D. consequently E. detection F. developing G. distributed H. dramatically I. including J. monitor K. reason L. results M. shared N. symbols O. sy

20、mptoms（分数：25.00）大学英语四级分类模拟题 326答案解析(总分：100.00，做题时间：90 分钟)一、Reading Comprehensio(总题数：0，分数：0.00)Most of us have formed an unrealistic picture of life on a desert island. We sometimes imagine a desert island to be a sort of 1 where the sun always shines. Life there is simple and good. Ripe fruit falls

21、from the trees and you never have to work. The other side of the picture is quite the 2 . Life on a desert island is wretched. You either 3 to death or live like Robinson Crusoe, Waiting for a boat which never comes. Perhaps there is an element of truth in both these pictures, but few us have had th

22、e opportunity to find out. Two men who recently spent five clays on a coral island wished they had stayed there longer. They were taking a badly 4 boat from the Virgin Islands to Miami to have it repaired. During the journey, their boat began to 5 . They quickly loaded a small rubber dinghy with foo

23、d, matches, and cans of beer and rowed for a few miles across the Caribbean until they arrived at a tiny coral island. There were hardly any trees on the island and there was no water, but this did not 6 to be a problem. The men 7 rainwater in the rubber dinghy. 8 they had brought a spear gun with t

24、hem, they had 9 to eat. They caught lobster and fish every day, and, as one of them put it “ate like kings“. When a passing tanker rescued them five days later, both men were genuinely 10 that they had to leave. A. when B. sank C. damaged D. few E. starve F. collected G. sink H. paradise I. opposite

25、 J. as K. happy L. plenty M. sorry N. same O. prove（分数：25.00）解析：H解析 根据空后 where引导的定语从句可知，A sort of 后面接一种想象中的地方，imagine 的一般是一种好的，梦想中的东西，为名词，选项中只有 paradise是名词。解析：I解析 作者这里用 the other side起头重新讲述了另外一个环境，是对比作用，意为“正好相反”，用 opposite。解析：E解析 此词后面接的是 death，to death 前面一般是死的方式，为动词，在选项中只有 starve最接近最合理。解析：C解析 此处应该填形

26、容词，修饰 boat，根据后面的 repaired和前面的 badly这一副词，可以得知这艘船应该是坏的，故选 damaged，此处是过去分词作形容词。解析：G解析 根据 to可知，此处应填入动词原形，剩余选项中只有 prove和 sink。从后面的内容可以看出他们被困孤岛，而在海上出事被困大多数都是因为船坏而沉，选项中正好有这个选项。解析：O解析 根据 did not可知，此处应填入动词原形，剩余选项中只有 prove为动词原形。另外前面说到岛上没有水也没有树，后面用 but转折，可见是没有什么问题，选项中只有 prove可以和 to be搭配，prove to be意为“被证明，实际上”。

27、解析：F解析 纵观整句可知，此处缺少谓语动词，全篇文章用了过去时，所以此处应填入动词过去式，剩余选项中只剩下 sank和 collected，从文章的上下文也可知这些人只有收集水才能在这里生存下去。故选 collected。解析：J解析 此处句子不缺成分，所以可以看出是缺一个连词，两句应该是因果关系，因为有枪，所以有吃的，故可以用选项中的 as。解析：L解析 同上题，有枪则可以去打猎，故有很多吃的可以吃，在 few和 plenty中可以选 plenty，表示很多，而 few指很少。解析：M解析 第二段第一句话说两个男士在岛上待了五天，希望可以再待久一点。可知他们最后非常不想走，故选形容词，so

28、rry 而不是 happy。Keeping healthy requires a conscious effort. You make choices about the foods you eat, just 11 you make choices about getting fresh air, exercise, and rest. And if you are like most people, you are making bad choices, particularly in your diet. I“d like to offer some 12 here. Nowadays,

29、 health experts are 13 against fats and proteins. Though these experts are fight in telling you to be careful about the foods you eat, they are wrong in 14 you to stay away from fats and proteins. Both of these things serve important 15 in the body. Fats provide 16 . And they are especially useful b

30、ecause they can be 17 in the body for future use. Proteins are required for growth needs and for 18 the body against disease. It is equally important that they are included in your diet too. A good diet is one that includes some fats and proteinsbut not too much. You should already be eating five se

31、rvings of vegetables and four servings of fruits every day. So be sure to include two serving of something high in protein and one or two serving of something 19 in fat into your diet. Then you will be on the 20 to great health! A. but B. road C. as D. functions E. advising F. collecting G. defendin

32、g H. unrealistic I. warning J. proper K. energy L. suggestions M. stored N. while O. rich（分数：25.00）解析：C解析 综观整句，此句分前后两句话，所以可推断出此处应填入连词，选项中 as, but和 while为连词。根据句意“你选择所吃的食物”和“你选择呼吸新鲜空气，锻炼身体和休息”可判断出这两句为类比关系，just as 是固定用法，意为“就如同是一样的”。解析：L解析 此句话在文中起到承上启下的作用，阅读之后发现下面是根据上文而提出的具体建议，名词中只有 suggestions符合题意。解析：I

33、解析 根据后面，这些专家建议你不要碰任何的脂肪和蛋白质的观点是错的，可知专家的看法是反对脂肪和蛋白质的摄入。此句缺动词，而加在 are后面，又是 nowadays引出的，可知用动词现在时，warning against即“警告”搭配正确，意义也正确。解析：E解析 这些专家的观点可以从上下文看出来，他们建议远离脂肪和蛋白质，此处 in doing something，故用 advising。解析：D解析 这句话的后面介绍了脂肪和蛋白质的作用，此处领起后文，此处应填 functions, serve.function为固定搭配。解析：K解析 Provide 后接名词，选项中名词只有 energy符

34、合题意，脂肪提供能量也合理。解析：M解析 这句话中 they指能量，而且应该为被动式，即过去分词，只有 stored是过去分词，能量在身体中储备以备将来之用，这个意思也完整准确。解析：G解析 根据 for和空后 the body against disease可知，此处应填入名词，剩余选项中只有defending和 collecting。根据文意可以推断出，蛋白质可以保护我们对抗疾病，defend against 是固定搭配。故选 defending。解析：O解析 纵观整句可知，此空及其后的 in fact作 something的后置定语，故此空应填入形容词。再根据此句中 and前的 high

35、 in protein“富含蛋白质”可推断出此空应意为“富含脂肪”，故选 rich。解析：B解析 根据空前 the可知，此处应填入名词，剩余选项中只有 road为名词，故选 road, on the road to表示“在的路上”。The great ship, Titanic, sailed for New York from Southampton on April 10th, 1912. She was carrying 1,316 21 and crew of 891. Even by modern standards, the 46,000 ton Titanic was a col

36、ossal ship. At the time, however, she was not only the largest ship that had ever been built, but was regarded as 22 , for she had sixteen watertight compartments. Even if two of these were flooded, she would still be able to float. The tragic sinking of this great liner will always be 23 , for she

37、went down on her first 24 with heavy loss of life. Four days after 25 out, while the Titanic was sailing across the icy water of the North Atlantic, huge iceberg was suddenly spotted by a lookout. After the alarm had been given, the great ship turned sharply to avoid a direct 26 . The Titanic turned

38、 just in time, narrowly missing the immense walk of ice which rose over 100 feet out of the water beside her. Suddenly, there was a slight 27 sound from below, and the captain went down to see what had happened. The noise had been so faint that no one thought that the ship had been damaged. Below, t

39、he captain realized to his 28 that the Titanic was sinking rapidly, for five of her sixteen watertight compartments had already been flooded! The order to 29 ship was given and hundreds of people 30 into the icy water. As there were not enough lifeboats for everybody, 1,500 lives were lost. A. prepa

40、red B. passengers C. setting D. plunged E. remembered F. collision G. abandon H. unsinkable I. horror J. qualified K. presentation L. unbelievable M. voyage N. beautiful O. trembling（分数：25.00）解析：B解析 此句讲这艘船载了 1316名，和 891名船员。常识来说，船上除了船员，就是使乘客了，选项中也有 passengers这一选项，故选 B。解析：H解析 此处选形容词，选项中有三个形容词，根据后半句“因为

41、她有 16间水密舱”，所以此船被认为是“不沉的”。只有 unsinkable符合文意，意为“大家都认为这艘船是永不沉没的”。解析：E解析 此句话缺一个动词，又由 be一词可以推断这个词为过去分词，故选 remembered或者plunged，而符合题意的只有 remembered。解析：M解析 此句话讲的是这是这艘船的首次，根据 went down可以推测是首航，故选 voyage。解析：C解析 根据上下文可以推测，这里讲的是当船开出四天后，set out 是固定搭配，after 后面接doing something。故选 setting out。解析：F解析 可判断此处填名词，名词有 pas

42、sengers，voyage，collision，horror，presentation，只有 collision符合题意，意为“突然转向以防直接碰撞”。解析：O解析 此处应该填形容词，形容一种微小的声音，只有 trembling可以形容，意为“颤抖的微弱声音”。解析：I解析 此处填名词，意为“船长的”，根据后面可知船长发现船在快速下沉，在名词选项可以看出 horror是最为贴切的。解析：G解析 后文可得知人们都跳进了水中，可见大家是弃船逃生了，故选 abandon ship。解析：D解析 一般在船沉没的时候，人们只能跳水逃生，在所有动词中，只有 plunged可以与 into搭配表示跳入水中

43、。It“s the first question parents ask when their child is diagnosed with autism (自闭症). Will his future brothers or sisters have a higher risk of 31 it, too? According to the largest study of siblings (兄弟姐妹) in families with autism, the answer is yes. Among 664 children who had at least one older sibl

44、ing with the developmental disorder, the 32 risk of autism was nearly 19%, 33 higher than previous sibling-recurrence estimates that were anywhere from 3% to 10%. Kids with more than one older autistic sibling had an even higher risk of the disorder: 32%. The 34 suggest that genes play a key role in

45、 autism risk. But they also hint that other environmental factors 35 by siblings, like influences in the womb (宫), may be important as well. On the 36 of the findings, the researchers recommend that doctors closely 37 younger siblings of autistic children to pick up any early signs of the disorder,

46、38 an unusually large head or delayed language development and communication skills. Evidence suggests that early 39 and diagnosis of autism can help children take advantage of therapies that can treat some of its 40 . A. average B. basis C. common D. consequently E. detection F. developing G. distr

47、ibuted H. dramatically I. including J. monitor K. reason L. results M. shared N. symbols O. symptoms（分数：25.00）解析：F解析 这里需要一个动词，考查的是 have a risk of doing something这一用法，可见这里的动词要用现在分词，可选的有 developing“患(病)”和 including“包括”。作者说这个问题是父母会问的，可以推测问题是“他将来的兄弟姐妹会不会得这个病”，故选 F。解析：A解析 这里需要一个形容词修饰 risk，推测作者这里要说的是社会上儿童

48、患自闭症的概率，文中的研究得出的数据 19%应该是平均值，故选 average。解析：H解析 此空在形容词 higher前面，修饰 higher，故为副词，又根据前后的百分比对比，得知差距明显，这里应该是一个表示程度大的副词，形容词中 dramatically“大幅度地”符合题意。解析：L解析 此句缺少主语，由于空格后是动词原形，故这里需要复数名词。作者这里说的是一种研究结论，所有名词里面只有 results符合题意。解析：M解析 空格前为名词 factors，空格后为介词 by，故此处缺少一个过去分词。根据文意推测作者在这里想表达的是兄弟姐妹在母体时的环境是相同的，故选 shared。解析：

49、B解析 由前面的冠词 the可知这里需要填一个名词，以上段落讲述的是研究内容和结果，那么这里研究人员所推荐的内容自然是基于上述发现结果，故选 basis。解析：J解析 此从句需要一个动词，从 closely，pick up 和 signs可以推断研究者建议医生要观察、监控孩子，故用 monitor。解析：I解析 这里需要一个动词连接前后的句子，观察上下文可以看出后面的内容是对前面的 signs of the disorder的解释，故选项中的 including符合题意。解析：E解析 根据前面的形容词 early可以看出这里需要填一个名词。而从前面的内容可看出，作者一直在强调对儿童的观察、确诊，可见早期发现对于治疗是有好处的，故选名词中的 detection“发现”符合题意。解析：O解析 根据前面的 its可以看出这里要填名词，又由前面的 treat“治疗”可以看出这个名词一定和疾病有关，故选 symptoms“症状”。