1.Careful surveys have indicated that as many as 50 percent of patients do not take drugs______directed.

　　A.like B. so C.which D. as

　　Best Answer:D

　　詳解：

　　【譯文】仔細的調(diào)查表明，多達50%的病人未按規(guī)定服藥。

　　【注釋】as有“以…的方式、依照”的意思。so做連接詞時意思是“因此、所以”。so后接分詞時是副詞，意思是“這樣、如此”。which通常引出定語從句，代表所修飾的名詞，用在本題不合適。like做連詞用以表示兩個事物的比較。

　　2.This ticket______you to a free meal in our new restaurant.

　　A.gives B. grants C.entitles D. credits

　　Best Answer:C

　　詳解：

　　【譯文】憑此券你可在我們的新餐廳免費就餐一次。

　　【注釋】give表示“給，提供，授予”;grant意為“同意，準予;給予，授予”;entitle指“給以權(quán)利，給以資格”;credit意為“提供信用、信任”。

　　3.You______her in her office last Friday;she's been out of town for two weeks.

　　A. needn't have seen B. must have seen C.might have seen D. can't have seen

　　Best Answer:D

　　詳解：

　　【譯文】上星期五你不可能在她的辦公室看見她，她離開本市已經(jīng)兩周了。

　　【注釋】本題考核“情態(tài)動詞+完成式”的用法。

　　4.That was so serious a matter that I had no choice but______the police.

　　A. called in B. calling in C. call in D. to call in

　　Best Answer:D

　　詳解：

　　【譯文】那件事如此嚴重，我除了請警察來，此外別無選擇。

　　【注釋】have no choice but+不定式是習(xí)慣用法，意為“只能……別無選擇”。

　　5.She was so______in her job that she didn't hear anybody knocking at the door.

　　A.attracted B. absorbed C.drawn D. concentrated

　　Best Answer:B

　　詳解：

　　【譯文】她工作如此專心以致于沒聽到有人敲門。

　　【注釋】attract意為“吸引，引起……的注意”，相當(dāng)于make someone interested in something。draw與attract同義。be absorbed in和concentrate on都表示“專心致志于”。