【原文】

Physical activity does the body good, and there’s growing evidence that it helps the brain too. Researchers in the Netherlands report that children who get more exercise, whether at school or on their own, 　26　to have higher GPAs and better scores on standardized tests. In a 　27　of 14 studies that looked at physical activity and academic　28　, investigators found that the more children moved, the better their grades were in school, ?　29　in the basic subjects of math, English and reading.

The data will certainly fuel the ongoing debate over whether physical education classes should be cut as schools struggle to 　30　on smaller budgets. The arguments against physical education have included concerns that gym time may be taking away from study time. With standardized test scores in the U.S.　31　in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground. But as these findings show, exercise and academics may not be 　32　exclusive. Physical activity can improve blood 　33　to the brain, fueling memory, attention and creativity, which are 　34　to learning. And exercise releases hormones that can improve 　35　and relieve stress, which can also help learning. So while it may seem as if kids are just exercising their bodies when they’re running around, they may actually be exercising their brains as well.

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A)attendance??????? B)consequently???? C)current?????????? D)depressing

E)dropping????????? F)essential??????? G)feasible?????????? H)flow

I)mood???????????? J)mutually?????? K)particularly??????? L)performance

M)review?????????? N)survive????? O)tend

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【答案解析】

26. (O) tend 本句缺少謂語動詞，主語為children, 且為一般現(xiàn)在時，句子應(yīng)用動詞原形且要與to搭配，選O。

27. (M) review空前為冠詞和介詞，空處選名詞，根據(jù)分類三個名詞均不符合句意，review既有名詞也有動詞詞性，名詞意為“回顧”。

28. (L) performance前為形容詞，空處選擇名詞，選L。

29. (K) particularly句子完整，位置不在名詞前，考查副詞，選K。

30. (N) survive前有to, 選動詞原形，根據(jù)句意，選N。

31. (E) dropping逗號后句子完整，考查非謂語，depressing或dropping, 根據(jù)句意，選E。

32. (J) mutually句子完整考查形容詞或副詞，空后為形容詞，故填副詞，根據(jù)句意選J。

33. (H) flow 結(jié)合語意“血液流到大腦”，應(yīng)填動詞flow。

34. (F) essential 前為are, 后面有to, 搭配be essential to。

35. (I) mood前為動詞，and并列，后有stress。