综合英语(二)重点语法:从句(4)

综合英语(二)重点语法:从句(4)
条件状语从句分为真实条件和非真实条件两种.前者表示真实的或可能变成现实的条件,后者表示非真实的或不可能变为现实的条件.真实条件句要用一般时标将来。
例:Oil floats if you pour it on water.
The sports meet will be put off if it rains tomorrow. #
If I were you, I would refuse the money.
#
虚拟式的基本形式 (后面我们再详细讲虚拟语气)
If we left now, we should arrive in time. #
If we had left time, we would have dropped by.
#
If you dropped the glass, it would break.
The tennis finals will be put off if it ______ tomorrow afternoon. (2005/4) #
A. rains B. will rain
C. were to rain D. was to rain
A #
让步状语从句,关联词:though, although, if, even if, even though, in spite of the fact that等. #
例:
1. Though it was only nine o’clock, there were few people in the street. #
2.He went out in spite of the fact that he had a bad cold. #
Exercises #
1. If you smoke in a non-smoking section people _____.
A) have objected B) objected
C) must objected D) will object #
2. A man escaped from the prison last night. It was a long time _____ the guards discovered what had happened. #
A) before B) until C) since D) when #
3. Government cannot operate effectively _____ it is free from such interference.
#
A) so long as B) so that
#
C) unless D) because
D C C
#
4. Not that John doesn't want to help you, _____it's beyond his power. #
A) but that B) for that #
C) and that D) in that #
5. Man differ from animals ____ they can think and speak.
#
A) in that B) for that
C) with that D) at tha
#
6. Doing your homework is a sure way to improve your test scores, and this is especially true _____ it comes to classroom tests. #
A) when B) since C) before D) after #
A A A #
7. Americans eat _____ as they actually need every day. (98/06/56) #
A) twice as much protein
#
B) twice protein as much
#
C) protein as much twice #
D) protein as twice much #
8. _____ seeing the damage he had done, the child felt ashamed. (99/01/52)
#
A) By B) On C) At D) For #
9. I was advised to arrange for insurance _____ I needed medical treatment. (99/01/65)
#
A) nevertheless B) although
#
C) in case D) so that
A B C #
10. I've already told you that I'm going to buy it, _____. #
A) however much it costs
B) however does it costs much #
C) how much does it cost #
D) no matter how it costs
A