题目内容
Some physics problems in this book are _________difficult for the students _________work out.
| A．so; that | B．not; but |
| C．such; that | D．too; to |
D
解析试题分析：so; that如此……以至于……；not; but不是……而是……；such; that如此……以至于……；too; to太……而不能……。句意：这本书中的一些物理问题对于这些学生来说，要解答出来太难。故选D。
考点：考查连词辨析
The children were worried about their mother. They didn’t go to bed ___ their mother came back..
| A．when | B．while | C．until | D．after |
_____ I was in the USA, I made a lot of friends there.
| A．While | B．Although |
| C．Unless | D．Until |
—When will you return the book to me?
—I’ll give it to you _________ I finish it.
| A．once | B．until |
| C．as soon as | D．unless |
Study hard, _ _ you will pass the exam.
| A．so | B．or | C．but | D．and |
—How about the book you are reading?
—Good indeed. It many problems we have come across in our study.
| A．says | B．talks |
| C．reports | D．covers |
Come on! You will catch up with others _______ you work hard.
| A．if | B．unless |
| C．although | D．so |
— Does your aunt usually walk the dog in the park?
— Yeah, bad weather stops her.
| A．when | B．since |
| C．unless | D．if |
Rick has learned a lot about Chinese culture _____ he came to China.
| A．before | B．when | C．until | D．since |