练习4：1. Many fine cooks insist on ingredients of the highest quality.A) demandB) rely onC) prepare forD) create2. Since the Great Depression, the Unite...
练习6：1.The old concerns lose importance and some of them vanish altogether.A. develop B. disappearC . linger D. renew2. In the United States educationa...
练习5：1. All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common. A) as a r...
练习7：1. Loud noises can be annoying.A) hatefulB) painfulC) horrifyingD) irritating2. Human facial expressions differ from those of animals in the degre...
练习9：1. Although originally a German innovation, kindergarten got its real start in the United States as a movement to provide an improved learning env...
练习8：1. Philip Roth was hailed as a major new author in 1960.A) published B) challengedC) acclaimedD) guided2. He was one of the principal organizers o...
练习10：1. Most chemical reactions of an organic compound involve only a few of its numerous atoms and bonds; the remainder stay unchanged.A) majorityB) ...
... could have V-ed ... 結構︰主詞+could have+過去分詞 說明︰此句型意為“原本能夠…但卻未如此”。 He could have bought the car, but soon his company went bankrupt. 他本來能買那輛車的，但沒多久他的...
...may as well ... as ... 結構︰may/might as well+原形動詞 A+as+原形動詞 B 說明︰此句型意為“與其 B 倒不如 A”。相當於“had better A than B”。“may as well ... as”實現的可能性較大，而“might as ...
职称英语核心词汇推荐: bright adj. 明亮的，聪明的; (bring – clever – intelligent – smart –wise 聪明的) brilliant adj. 灿烂的，有才气的;卓越的; bring v. 拿来，带来，产生;引起( bring about/引起，造成...