C．connection D．contact

答案与解析：D　make contact with联系。

5．The curtains drew ________ and all the actors started dancing ________ the beautiful music.

A．up; with B．in; at

C．up; to D．out; on

答案与解析：C　draw up拉起，dance to the music伴着音乐的节拍跳舞。

6．When Mr. Brown left the firm, the director ________ a gold watch to him.

A．presented B．provided

C．designed D．produced

答案与解析：A　present sth to sb.给......作礼物。

7．Because of modern________we have a higher standard of living.

A．technique B．techniques

C．technology D．technologies

答案与解析：C　本题考查 technique 和 technology的辨析：technique 是可数名词，指做某事的方法或者技巧。technology 常作不可数名词，指经过科学和工业的生产过程的技术。结合句意可判断答案是C项。

8．The young man acted strangely during the interview.He made a bad________on the employer.

A．impression B．expression

C．experience D．opinion

答案与解析：A　make a good/bad impression on sb. 给某人留下好/坏印象。

9．Nowhere in nature is aluminium (铝)found free, owing to its always________with other elements, most commonly with oxygen.

A．combined

B．having combined

C．combine

D．being combined

答案与解析：D　owing to "由于......因为......"， 用作介词，其后应该接动名词作宾语，故答案是D项。

10．It was some time________we realized the truth.

A．when B．until

C．since D．before

答案与解析：D　本题考查"It will be/is/was＋一段时间＋before引导的从句"的用法。It will be a long time before...的意思是"要过很久才会......"；It was some time before...是一个很有用的句型，其字面意思是"在......之前过了一段时间"，通常可转译为"要过一段时间才会......"。

11．-David has made great progress recently.

-________，and________.

A．So he has; so you have

B．So he has; so have you

C．So has he; so have you

D．So has he; so you have

答案与解析：B　So置于句首，构成"So＋主语＋助动词(情态动词)结构"，表示同意对方的话；So置于句首，构成"So＋助动词(情态动词)＋主语"的倒装结构，表示"......亦如此"。

12．-Hi, Tracy, you look tired.

-I am tired.I________the living room all day.