acknowledge:承认，承认……的权威；告知收到，确认；报偿，对……表示谢忱
1 They are well ______ with each other since they once studied in the same university.(98.6)
A. identified B. recognized C. acknowledged D. acquainted

2 Professor Hawking is ______ as one of the world’s greatest living physicists.(02.6)
A) dignified B) clarified C) acknowledged D) illustrated

ambiguous 模棱两可的 暧昧的, 不明确的
3 The directions were so _______that it was impossible to complete the assignment.(98.6)
A. ingenious B. ambitious C. notorious D. ambiguous

4 The first sentence in this paragraph is ________; it can be interpreted in many ways.(03.9)
A) intricate B) ambiguous C) duplicated D) confused

ascertain 查明，弄清，确定
5 We shall probably never be able to ______ the exact nature of these sub-atomic particles.(02.6)
A) assert B) impart C) ascertain D) notify

6 _______ that the demand for power continues to rise at the current rate, it will not be long before traditional sources become inadequate.(03.1)
A) Concerning B) Ascertaining C) Assuming D) Regarding

Ascribe 把……归因于，把……归属于
7 You should ______ to one or more weekly magazines such as Time, or Newsweek.(01.6)
A. ascribe B. Order C. reclaim D. subscribe

8 It was ______ that the restaurant discriminated against black customers. (02.6)
A) addicted B) alleged C) assaulted D) ascribed

authorize 授权，批准
9 Some American colleges are state-supported, others are privately ________, and still others are supported by religious organizations.(02.1)
A) ensured B) attributed C) authorized D) endowed

10 A membership card ________the holder to use the club's facilities for a period of twelve months.(03.9)
A) approves B) authorizes C) rectifie D) endows

答案及解析

1 d identified 识别,鉴别 recognized 公认的 acquainted 知晓的
2 c dignified 有威严的 clarified 澄清 illustrated 有插图的
3 d ingenious 有独创性的 notorious 声名狼籍的 ambitious 有雄心的
4 b intricate 错综复杂的duplicated 复制出的 confused 困惑的
5 c assert 断言,声称 impart 告知,透露 notify 通报
6 c Concerning 关于 Assuming傲慢的 Regarding 关于
7 d Order 顺序 reclaim 收回 subscribe赞成
8 b addicted沉溺于 alleged声称的 assaulted 攻击,袭击
9 d ensured 保证 attributed属性,品质 endowed 捐赠
10 b approves 赞成,满意 endows捐赠