[外语类试卷]大学英语四级改革适用(阅读)模拟试卷111及答案与解析.doc
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1、大学英语四级改革适用(阅读)模拟试卷 111及答案与解析 Section A 0 It seems individual cancer cells send out the same distress signals as wounds, tricking immune cells into helping them grow into tumours. The finding suggests that anti-inflammatory drugs could help to combat or prevent cancer. “Lifelong, if you take a small
2、quantity of something that【 C1】 _inflammation(炎症 ), such as aspirin, it could reduce the risk of cancer,“ says Adam Hurlstone of the University of Manchester, UK. When tissue is wounded or infected it produces hydrogen peroxide(过氧化氢 ). White blood cells called leukocytes(白血球 )are among the first cel
3、ls to react to this【 C2】_, homing in to kill the infectious agent, clean up the mess and rebuild【 C3】_tissue. At first, the tissue becomes inflamed, but this subsides as the wound is cleared and rebuilding continues. Now, a study in zebra fish shows that this process is also instigated(发起 )and susta
4、ined by tumour cells. Hurlstone and his colleagues【 C4】 _modified zebra fish so that skin cells and leukocytes would show different【 C5】 _under ultraviolet light. Some zebra fish were also engineered to have cancerous skin cells. The team found that the cancerous skin cells secreted hydrogen peroxid
5、e,【 C6】_leukocytes which helped them on their way to become a tumour. When the team【 C7】 _hydrogen peroxide production in the zebra fish, the leukocytes were no longer attracted to cancerous cells and the cancer colonies reduced in【 C8】 _. More alarmingly, the researchers found that healthy skin cel
6、ls【 C9】 _to the cancerous ones also produced hydrogen peroxide, suggesting that cancer cells【 C10】_co-opt them into triggering inflammation. A)adjacent F)figure K)somehow B)blocked G)genetically L)somewhat C)charged H)hue M)summoning D)colors I)hurtful N)suppresses E)damaged J)number O)trigger 1 【 C
7、1】 2 【 C2】 3 【 C3】 4 【 C4】 5 【 C5】 6 【 C6】 7 【 C7】 8 【 C8】 9 【 C9】 10 【 C10】 10 The worlds first institution of its kind was founded in 1753, based on the collections left to the nation by Sir Hans Sloane, a wealthy doctor who had made it clear that he expected them to be open to public view. A comm
8、ittee of eminent(著名的 )trustees was【 C1】 _to organize the museum in a 17th-century mansion called Montagu House, bought with【 C2】 _raised by a public lottery, and late in 1758 the trustees decided to open to the public, though as David Wilson makes clear in his history of the museum, they had reserva
9、tions about who should be let in. There were【 C3】 _doubts about servants and members of the lower classes, whose presence could offend visitors from【 C4】 _up the social ladder. No drunks were welcome, and for the collections safety it was provided that visitors must be shown【 C5】_by the museums offi
10、cers and not allowed to walk through the rooms【 C6】_. The number of visitors in the early years【 C7】 _to some 12 000 people a year, who came to see the antiquities from Aztec Mexico to Ancient Egypt to India and Japan, the classical statues, the natural history and geological【 C8】 _, the manuscripts
11、 and drawings, coins and medals. The Egyptian mummies(木乃伊 )particularly【 C9】_early visitors. Reputable scholars were allowed to work in the reading rooms. In the early days they included the philosopher. Purchases and【 C10】 _swiftly augmented(增加 )the collections and the museum was well on its way. A
12、)alone F)gifts K)noble B)assembled G)grave L)prevented C)assigned H)higher M)ran D)belongings I)items N)round E)fascinated J)money O)simply 11 【 C1】 12 【 C2】 13 【 C3】 14 【 C4】 15 【 C5】 16 【 C6】 17 【 C7】 18 【 C8】 19 【 C9】 20 【 C10】 Section B 20 A Classroom Where No One Cheats A)When I catalog my pers
13、onal top ten list of teaching failures, the first spot always goes to the same offense: cheating. The times Ive caught the eye of a student whose glance has wandered on to a classmates test. When Ive compared two identical, oddly misspelled answers of two different quizzes. When Ive found a sentence
14、 in an essay that doesnt feel right and a quick search of the Internet locates that same sentence in a published article. Oh, and the fallout: denials, tears, parents who insist, “My child simply would never do that sort of thing. “ B)While Id love to place the blame for this offense fully on my stu
15、dents shoulders, I cant. My teaching methods and classroom habits are often as much to blame as their response to them. If my teaching practices create an atmosphere in which students resort to cheating rather than rely on their own hard work and discovery, Im doing something wrong. C)Eradicating(根除
16、 )cheating from a classroom is a remarkably difficult task. Cheating is a many-headed hydra(九头蛇 ): Cut one offense off, and another one bursts forth in its place. Teachers struggle to keep up with students novel and ingenious methods of academic deception, and yet we forever remain one step behind o
17、ur technologically and ethically flexible wards. Plus, cheating taps into teachers worst fears about both our ability to teach and our trust in our students. I never doubt my perceptions more than when I contemplate whether to confront a student about suspicions of cheating. No matter how the proces
18、s shakes out, trust is broken, feelings are hurt, and everyone loses sleep. D)One teacher, desperate to eradicate cheating at its source, has come up with a theory of cheating and a plan for what he calls “The(Nearly)Cheating-Free Classroom.“ In his book Cheating Lessons: Learning from Academic Dish
19、onesty, James M. Lang, Associate Professor of English at Assumption College, recounts his experience with cheating, and his personal journey to rid his classroom of its influence. Lang undertook his research on academic dishonesty because, “My personal experiences with cheating were probably a lot l
20、ike yours: students occasionally cheated in my classes, it baffled and frustrated me, and I was never sure how to react. “ Lang turned to the available research on cheating, searching for ways to fight back. E)When Lang looked into the data on who cheats, and how often, the numbers varied widely. As
21、 most of the studies on cheating rely on student self-reporting, cheating statistics depend on students and researchers shared understanding of the definition of cheating, and thats a high hurdle(障碍 )to clear. In one study, in which respondents were given clear definitions of academically dishonest
22、behaviors, such as “writing a paper for another student,“ or “copying answers from a text or other source instead of doing the work independently,“ 75 percent of students admitted to at least one of the pre-defined cheating behaviors over the course of their college career an uncomfortably large per
23、centage. F)After clearly identifying the problem, Lang presents his solutions for combatting the cheating epidemic. First, teachers should be focused on encouraging mastery rather than performance on assessments. When Lang looked at research on how teachers goals for their students influence cheatin
24、g, he found that there are two types of learners, mastery- and performance-oriented. According to Lang, mastery-oriented students “pursue understanding,“ whereas performance-oriented students hope to “demonstrate their ability.“ When students are more focused on their grade point average than the ma
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- 外语类 试卷 大学 英语四 改革 适用 阅读 模拟 111 答案 解析 DOC
