2013年职称英语理工类基础知识试题(4)

　　1. —Did Alan enjoy seeing his old friends yesterday?

　　—Yes, he did. He______ his old friends for a long time.

　　A. didn't see

　　B. wouldn't see

　　C. hasn't seen

　　D. hadn't seen

　　2. — Jack bought a new mobile phone the other day.

　　— ________? That’s his third one in just one month.

　　A. Had he

　　B. Did he

　　C. Does he

　　D. Has he

　　3. Professor James will give us a lecture on the Western culture, but when and where ____ yet.

　　A. hasn't been decided

　　B. haven't decided

　　C. isn't being decided

　　D. aren't decided

　　4. The play had already been on for quite some time when we ____ at the New Theatre.

　　A. have arrived

　　B. arrived

　　C. had arrived

　　D. arrive

　　5. If Newton lived today, he would be surprise by what ____ in science and technology.

　　A. had discovered

　　B. had been discovered

　　C. has discovered

　　D. has been discovered