【模拟演练】

　　1．-Do you often go fishing at weekends?

　　-Not often，I only go fishing________.

　　A．at one time      B．all the time

　　C．at a time       D．from time to time

　　答案　D

　　解析　考查介词短语。at one time曾经；all the time始终；at a time每次；from time to time有时。由句意可知D项正确。

　　2．He was a good student and scored ________ average in most subjects.

　　A．below       B．of

　　C．on        D．above

　　答案　D

　　解析　句意为：他是一个好学生，大多数科目得分高于平均水平。above average高于平均数；below average低于平均数；on average平均起来，一般说来。

　　3．The traveler didn't know________which direction to go.

　　A．in        B．at

　　C．to        D．/

　　答案　A

　　解析　表示"朝……方向去"，用介词in而不用to。

　　4．I am________your suggestion that we should spend more time on this project.

　　A．in memory of     B．in honour of

　　C．in favour of      D．in need of

　　答案　C

　　解析　句意为：我很赞成你的建议，那就是我们应该在这个工程上花费更多的时间。in favour of赞成。

　　5．-Your sister's plan is not quite practical.Why not try to persuade her to give it up?

　　-My sister is very stubborn，so it is________to try to change her mind.

　　A．by chance      B．in vain

　　C．on purpose      D．for sure

　　答案　B

　　解析　句意为：--你妹妹的计划不是很切合实际。为何不劝她放弃？--我妹妹很固执，所以要她改变主意根本就是白费力气。in vain意为"枉费心机，白费力气"。by chance碰巧，凑巧；on purpose故意地；for sure毫无疑问。

　　6．He wanted to pass the exam and stayed up very late，while this ________created further problems.

　　A．in turn       B．in case

　　C．in doubt       D．in short

　　答案　A

　　解析　考查介词短语的辨析。in turn 轮流，反过来，符合句意。in case假使，以防万一；in doubt 不确定，拿不准；in short总之，简言之。

　　7．The woman sold the eggs ________ seven dollars and they were sold ________half price.

　　A．with；at      B．for；at

　　C．at；in       D．by；on

　　答案　B

　　解析　第一空用for"换取"，意为"这位妇女的鸡蛋卖了七美元"；第二空用at，at...price"以……的价格"。故选B。

　　8．He likes his new job，for he is paid ________ the day.

　　A．through       B．during

　　C．by        D．according

　　答案　C

　　解析　by意为"按……计算"。