[考研类试卷]考研英语(完形填空)模拟试卷100及答案与解析.doc
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1、考研英语(完形填空)模拟试卷 100 及答案与解析一、Section I Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D. (10 points) 0 Global warming is already cutting substantially into potential crop yields in some countriesto such an extent that it may be a
2、factor in the food price【C1】_that have caused worldwide stress in recent years, researchers suggest in a new study.Wheat yields in recent years were down by more than 10 percent in Russia and by a few percentage points【C2】_in India, France and China compared with【C3 】_they probably would have been w
3、ithout rising【C4】_, according to the study.Corn yields were【C5 】_a few percentage points in China, Brazil and France from what would have been【C6 】_said the researchers, whose findings were published in Fridays【C7】_of the journal Science.Some countries saw small gains from the temperature increases,
4、 however. And in all countries, the【C8】_carbon dioxide that humans are【C9】_into the air acted as a【C10】_that encouraged plant growth, 【C11】_some of the losses from rising temperatures caused by that same greenhouse gas.【C12 】_, the studys authors found that when the gains in some countries were weig
5、hed 【C13】_the losses in other countries, the overall global【C14】_of climate change has been small so far losses of a few percentage points for wheat and corn from what they would have been【C15】_climate change. The general impact on production of rice and soybeans was 【C16】_, with gains in some regio
6、ns entirely counterbalancing losses in others.【C17 】_the authors of the study pointed out that temperature increases were expected to 【C18】_in coming decades, making it likely that the challenges【C19】_food production will grow in a era when demand is expected to【C20 】_sharply.1 【C1 】(A)decreases(B)
7、reductions(C) increases(D)additions2 【C2 】(A)each(B) also(C) too(D)either3 【C3 】(A)that(B) which(C) what(D)how4 【C4 】(A)prices(B) tide(C) gains(D)temperatures5 【C5 】(A)off(B) below(C) up(D)above6 【C6 】(A)assumed(B) thought(C) guessed(D)expected7 【C7 】(A)volume(B) publication(C) issue(D)column8 【C8 】
8、(A)extra(B) overt(C) extraordinary(D)exceeding9 【C9 】(A)breathing(B) delivering(C) sending(D)pumping10 【C10 】(A)pesticide(B) fertilizer(C) chemical(D)medicine11 【C11 】(A)adding to(B) resulting in(C) offsetting(D)impacting12 【C12 】(A)Consequently(B) Interestingly(C) Surprisingly(D)Unexpectedly13 【C13
9、 】(A)on(B) against(C) down(D)in with14 【C14 】(A)effect(B) phenomenon(C) crisis(D)problem15 【C15 】(A)considering(B) with(C) concerning(D)without16 【C16 】(A)arguable(B) noticeable G. negligible(C) significant17 【C17 】(A)So(B) Hence(C) But(D)And18 【C18 】(A)cease(B) aggravate(C) stop(D)accelerate19 【C19
10、 】(A)to(B) of(C) from(D)for20 【C20 】(A)raise(B) decline(C) drop(D)rise20 TV is so often a parents good friend, keeping kids happily occupied so the grownups can cook dinner, answer the phone, or take a shower. But【C1】_that electronic babysitter is not an educational【C2 】_According to a recent resear
11、ch, babies who watch TV are more likely to have【C3】 _cognitive development and language at 14 months, 【C4】_if theyre watching programs【C5 】_for adults and older children. Its surprising that TV-watching made a【C6】_at such a tender age.This new study【C7】_259 lower-income families in New York, most of
12、 whom spoke Spanish as their【C8】_language at home. Other studies examining higher-income families have come to the【C9】_conclusion: TV watching not only isnt educational, but it seems to 【C10 】_babies development.Babies who watched 60 minutes of TV daily had developmental【C11】_one-third lower at 14 m
13、onths than babies who werent watching that much TV. The【C12】_may be due to the fact that when kids and parents are watching TV, theyre【C13】_talking, playing, and interactions that are【C14】_to learning and development.But what about “【C15】_“ TV, like Sesame Street? The researchers didnt find any plus
14、es or minuses when【C16】_to non-educational programs designed for small children, like Sponge-Bob SquarePants. 【C17】_research by some of the same scientists has found that parents whose children watch non-educational TV programs like SpongeBob SquarePants spend 【C18】_time reading to their children or
15、 teaching them. The latest study of educational TV programs like Sesame Street adds more【C19 】_to a recommendation from the American Academy of Pediatrics that babies under age【C20】_watch no TV at all.21 【C1 】(A)hopefully(B) unfortunately(C) interestingly(D)unluckily22 【C2 】(A)help(B) support(C) aid
16、(D)assistance23 【C3 】(A)postponed(B) increased(C) accelerated(D)delayed24 【C4 】(A)even(B) only(C) especially(D)specially25 【C5 】(A)intended(B) designing(C) aiming(D)used26 【C6 】(A)change(B) mistake(C) difference(D)mark27 【C7 】(A)watched(B) followed(C) inspected(D)traced28 【C8 】(A)basic(B) secondary(
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