第一章测试1.Have you gone to America before? （ ）
A:对 B:错
答案:B
2.Let's air the room before he comes home. （ ）
A:对 B:错
答案:A
3.However __________ were Marvin Gaye's beginnings as a member of his father's church choir, he became a famous and esteemed performer.（ ）。
A:modest B:powerful C:popular D:inspiring
答案:A
4.Current software or engineering managers cannot afford to __________behind new technical developments before finding themselves hopelessly outdated.（ ）。
A:linger B:retreat C:retard D:lag
答案:D
5.The main features of the telegraph were developed by two inventors, but it was Samuel Morse who successfully _________their ideas.（ ）。
A:financed B:integrated C:conformed D:publicized
答案:B
6.In judging the degree of his guilt, the question remains whether he acted out of purely _______ motives or whether he acted with thoughts of his own advantage in mind.（ ）。
A:benevolent B:disinterested C:generous D:selfish
答案:B
7.All these rumors are _______false, but the firms in question would be well advised not to bother denying them.（ ）。
A:conditionally B:defectively C:utterly D:indistinctly
答案:C
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