大学英语大学英语大学英语四级(CET4)大学英语四级模拟题18

试卷预览

• 31No other quality is more important for a scientist to acquire____ to observe carefully.

  A.as

  B.than

  C.and

  D.but

  开始考试练习点击查看答案
• 32They were just about to give up the question, ____ suddenly they found the answer.

  A.as

  B.while

  C.when

  D.the moment

  开始考试练习点击查看答案
• 33It was ____ then that I came to know that knowledge comes from practice.

  A.until

  B.not until

  C.till

  D.since

  开始考试练习点击查看答案
• 34The world's supplies of petroleum ____.

  A.have been gradually being exhausted

  B.have gradually exhausted

  C.are gradually exhausted

  D.are being gradually exhausted

  开始考试练习点击查看答案
• 35Everything depends on ____ we have enough time.

  A.if

  B.when

  C.whether

  D.that

  开始考试练习点击查看答案
• 36I'd just as soon ____ rudely to her.

  A.you not speak

  B.your not speaking

  C.you didn't speak

  D.you hadn't spoken

  开始考试练习点击查看答案
• 37The concert was so interesting that we all felt it ended ____ soon.

  A.but too

  B.only too

  C.very

  D.too

  开始考试练习点击查看答案
• 38The roar of the crowd finally ____ to a murmur.

  A.reduced

  B.diminished

  C.decreased

  D.cut down

  开始考试练习点击查看答案
• 39It's very discourteous to ____ during some one's conversation.

  A.inspect

  B.interrupt

  C.interfere

  D.instruct

  开始考试练习点击查看答案
• 40Sometimes even the smallest thing will upset an ____ person.

  A.annoyed

  B.irritated

  C.irritable

  D.angry

  开始考试练习点击查看答案