2015年GCT英语完型填空精选练习题(6)

　　Passage 11

　　Prevention is always preferable to a cure, and while much of the data are still preliminary, a growing body of evidence suggests 1 the local green market may be a rich source of anticancer agents. 2 certain fruits and vegetables seem to have powerful tumor-fighting properties that researchers are 3 beginning to appreciate—and to study. A sampling of the current crop of findings:

　　Scientists have long known that men who eat cooked tomato products such as pasta sauces4to have lower rates of prostatecancer. Until last week, however, the data were anything5conclusive. A study reported at last week´s meeting of the American Association for Cancer Research shows that daily doses of lycopene (番茄红素), an antioxidant that 6tomatoes and gives them their red color, may not only prevent prostate cancer but 7existing tumors as well.

　　Previous studies showed that women who eat soy products 8 tofu and soy milk are less likely to develop breast cancer. But it was never clear why. Now a small study of two dozen women may point to an answer: soy seems to keep circulating levels of estrogen low, 9__ inhibits breast cells 10 proliferating.

　　1. [A] what[B] that [C] why [D] when

　　2. [A] In any case[B] In consequence[C] In brief [D] In particular

　　3. [A]just[B] also[C] still [D] yet

　　4. [A] likely[B] inclines[C] tend[D] trend

　　5. [A] but[B] except[C] for[D] yet

　　6. [A] ripens[B]strengthens [C] sharpens [D] broadens

　　7. [A] expand[B]shrink[C] stimulate [D] stretch

　　8. [A] as [B]for instance [C] such as [D] for example

　　9. [A] that [B] which[C] what[D] where

　　10. [A] off[B] from[C] apart[D] out

　　参考答案：1.C 2.A 3.B 4.B 5.C 6.B 7.D 8.D 9.C 10.A

　　Passage 12

　　Health experts have given sunshine a bad reputation, for good reason. After all, too much sun put you at increased risk of skin cancer. But several studies found that careful and brief sun ___1___ may fight disease.

　　Catching few rays may help ___2___ colon cancer by stimulating your skin to manufacture vitamin D. most adults don´t get enough so-called sunshine vitamin, probably because we avoid dietary source of D ___3___ fortified milk and dairy products. Measured doses of sunlight can help ___4___ the shortfall. A large-scale eight-year study revealed that people with the highest levels of vitamin D in their blood were ___5___ to get colon cancer. The main reason is ___6___ vitamin D seems to prevent cancerous changed in cells and also causes the bowel to ___7___ calcium, an anticancer mineral. Exposing your arms and chest___8___the sun for just 10 minutes a day in summer, and 20 minutes a day in spring and fall, can ___9___ vitamin D levels to the colon cancer-fighting range. For most people, this amount of sun is ___10___ increase the risk of skin cancer. But after this brief period of sun exposure, use sunscreen to protect your skin.

　　1. [A]explosion[B] exposure[C] expansion[D]exhibition

　　2. [A]ease[B] decrease[C] reduce[D]combat

　　3. [A]because of [B] such as[C] in spite of[D]for example

　　4. [A]make out[B] make for[C] make up for[D]make over

　　5. [A]most[B] more[C] least[D]less

　　6. [A]that[B] why[C] what[D]whether

　　7. [A]absorb[B] receive[C] accept[D]abuse

　　8. [A]under[B] in[C] to[D]for

　　9. [A]lift[B] rise[C] arise[D]raise

　　10. [A]very small to[B]small enough to [C] too small to[D]so small to

　　参考答案：1.B 2.D 3.B 4.C 5.C, 6.A 7.A 8.C 9.D 10.C

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