1748] The manager entered the office and was happy to learn that four-fifths of the tickets _____.

[译文] 经理走进票房，很高兴地得知五分之四的票已经被预定了。

　 A. was booked 　 B. had been booked

　 C. were booked 　 D. have been booked

[答案及简析] B。 时态题，预定的动作发生在知道之前，该用过去完成时态。

1747] Whenever you’re in trouble, please _____ me.

[译文] 无论你什么时候遇到麻烦，请找我帮忙。

　 A. turn down 　 B. turn up

　 C. turn to 　 D. turn at

[答案及简析] C。 考查动词短语辨异。Turn down开小；tuen up开大；turn to求助于。

1746] _____ cleans the blackboard is _____.

[译文] 那个擦黑板的人应该得到表扬。

　 A. The one that; to be praised 　 B. The student; to praise

　 C. who; to praise 　 D. That; to be praised

[答案及简析] A。 第一空考查定语从句，第二空考查被动形式。

1745] More than 300,000 people _____ during the earthquake.

[译文] 三十多万人在地震中丧生。

　 A. lost thei life 　 B. lost their lives

　 C. were died 　 D. killed

[答案及简析] B。 die 是不及物动词，不能用被动形式；kill 是及物动词，需要跟宾语；lose one’s life有单复数的变化。

1744] A student began to sing a song, and soon everyone else _____ him.

[译文] 一个学生开始唱歌，马上其他学生就加入到他一起唱歌了。

　 A. took part in 　 B. joined with

　 C. joined in 　 D. joined

[答案及简析] D。 take part in 和join in都是后面跟表示活动的名词，join才有加入到某人一起的意思。

1743] ----- Can I give you a lift?　　　　----- _____. I would prefer to walk.

[译文] --你搭我的便车，好吗？　　　　--谢谢了。我步行。

　 A. No, thanks 　 B. Yes, please

　 C. That’s very kind of you 　 D. I don’t need your help

[答案及简析] A。 谢绝别人的帮助，为了显得礼貌用No, thanks。

1742] The high building _____ stand two guards is the police station.

[译文] 门前有两个卫兵的高大建筑物是公安局。

　 A. in front of which 　 B. in front of it

　 C. that 　 D. which

[答案及简析] A。 定语从句是一个倒装句，先行词在从句中充当地点状语。

1741] The reporter said that the UFO _____ from east to west when he saw it.

[译文] 报告者说，他看到不明飞行物时，它正由东向西飞行。

　 A. was travelling 　 B. travelled

　 C. had been travelling 　 D. was to travel

[答案及简析] A。 时态题，看到的时候，不明飞行物正在飞行。

1740] If you keep on, you’ll succeed _____.

[译文] 如果你继续坚持下去， 迟早会成功的。

　 A. in time 　 B. at one time

　 C. at the same time 　 D. on time

[答案及简析] A。 in time 迟早，总会，及时；at the same time同时；on time准时。

1739] The nurse treated the naughty boy kindly, but her patience _____ at last.

[译文] 护士对这个顽皮男孩很好，但她的耐心终于没有了。

　 A. went down 　 B. used up

　 C. got away 　 D. gave out

[答案及简析] D。 give out 耗尽，用完， 不及物动词短语。