30. Cancer is second only _B_ heart disease as a cause of death.
    A of B to C with D from
    具有比較意味的形容詞都要與介詞to搭配。
    32. The manager needs an assistant that he can _A_ to take care of problems in his absence. [in his absence 在某人不在場(chǎng)的情況下]
    A count on B count in C count up D count out
    presence n. 到場(chǎng)，出席; in one’s presence 在某人在場(chǎng)的情況下。
    count on=depend on 指望，依靠，依賴(lài); count up 算出總數(shù);
    count in 把…算在內(nèi); count out 把。..排除在外。
    33. The organization had broken no rules， but _A_ had it acted responsibly.
    A neither B so C either D both
    34. We gave out a cheer when the red roof of the cottage came _D_ view.
    A from B in C before D into
    come into view 進(jìn)入視野，進(jìn)入眼簾。 cheer n. 歡呼; cheers 干杯;
    cheer-team 拉拉隊(duì); cheer-leader 拉拉隊(duì)長(zhǎng)。英語(yǔ)中為了…干杯用介詞to引起。
    to your health 為了你的健康干杯; to friendship為了友誼干杯。 bottom up 先干了。
    35. They took _D_ measures to prevent poisonous gases from escaping.
    A fruitful B beneficial C valid D effective
    take effective measures 采取有效措施。 valid adj. 有效的，成立的。
    36. Doing your homework is a sure way to improve your test scores， and this is especially true _A_ it comes to classroom tests.
    A when B since C before D after
    sure 做定語(yǔ)時(shí)表示“可靠的、穩(wěn)妥的”。 come to 談到，提及。
    37. Careful surveys have indicated that as many as 50 percent of patients do not take drugs _D_ directed.
    A like B so C which D as
    drug n. 藥品，毒品。 gay adj. 放蕩的，快樂(lè)的; n. 同性戀者，尤指男性同性戀。
    so后面加過(guò)去分詞表示一種程度。 as后面加過(guò)去分詞時(shí)表示“如同…那樣，正如…那樣”。
    53. I hope all the precautions against air pollution， _D_ suggested by the local government， will be seriously considered here.
    A while B since C after D as
    precautions n. 防治措施; precautions against 防治…的措施。
    after being + 過(guò)去分詞，注意：after后面不能直接加過(guò)去分詞。
    38. In developing countries people are _C_ into overcrowded cities in great numbers.
    A breaking B filling C pouring D hurrying
    pour into 涌入，蜂擁而入。 break into 強(qiáng)行闖入。
    39. It’s reported that by the end of this month the output of cement in the factory _A_ by about 10%. [output 產(chǎn)量]
    A will have risen B has risen C will be rising D has been rising
    表達(dá)將來(lái)的行為在將來(lái)某時(shí)間之前完成用將來(lái)完成時(shí)。
    40. If I had remembered _A_ the window， the thief would not have got in.
    A to close B closing C to have closed D having closed
    remember to do sth. 記得要做某事但沒(méi)做。