1550] _____ the 2008 Olympic will be held in Beijing is not known yet.

[译文] 2008年奥运会是否在北京举行还不知道。

　 A. Whether 　 B. If

　 C. Whenever 　 D. That

[答案及简析] A。 whether 引导一个主语从句表示"是否"。

1549] Calileo lived in the city of Pisa, _____ there is a leaning tower about 180 feet _____.

[译文] 伽利略住在比萨城，那里有一座大约180英尺高的斜塔。

　 A. in which; in which 　 B. where; in leight

　 C. which; high 　 D. where; leight

[答案及简析] B。 定语从句中缺地点状语；180 feet in height = 180 feet high。

1548] ----- I’ll have to go now. Someone is asking for me. _____ ----- Bye.

[译文] --有人找我，得离开了，祝你一些都好。　　　　--再见。

　 A. All the best 　 B. All the most

　 C. All the better 　 D. Best of all

[答案及简析] A。 all the best 祝你一些都好，是临别表示祝愿的用语。它的后面还可以加上适当的短语：All the best in your new job.

1547] _____ he said at the meeting astonished everybody present.

[译文] 在会议上他说的话使每个在场的人都感到惊讶。

　 A. What 　 B. That

　 C. The fact 　 D. The matter

[答案及简析] A。 如果主句中缺主，宾，表，从句中也中缺主，宾，表，这个从句就用what引导。

1546] The story reminded them _____ the days when they were in the army.

[译文] 这个故事使他们回想起他们在部队的那些日子。

　 A. in 　 B. on

　 C. of 　 D. with

[答案及简析] C。 remind sb. of sth.固定搭配，使某人回想起某事。

1545] All the leading newspapers _____ the trade talks between China and the USA.

[译文] 所有主要报纸都报道了中美两国贸易谈判的消息。

　 A. reported 　 B. printed

　 C. announced 　 D. published

[答案及简析] A。 report报道，print 印刷；announce宣布；publish出版。

1544] The reason why the traffic was stopped was ____ the bridge was broken.

[译文] 交通停止的原因是桥坏了。

　 A. how 　 B. that

　 C. because 　 D. for

[答案及简析] B。 reason 作主语，后面的表语从句只能用that引导。

1543] Could I have _____ with you, Mr Smith?

[译文] 史密斯先生，我可以和你说句话吗？

　 A. word 　 B. words

　 C. a word 　 D. the word

[答案及简析] C。 have a word with sb.和某人说句话。

1542] I hate _____ when people talk with their mouths full.

[译文] 我讨厌说话时满嘴塞满了东西。

　 A. it 　 B. that

　 C. these 　 D. them

[答案及简析] A。 it常用来作形式宾语，代替后面的从句。

1541] It is easier to make a plan than _____.

[译文] 作计划比执行计划要容易得多。

　 A. carry it out 　 B. to carry it out

　 C. carry out it 　 D. carry out

[答案及简析] B。 在比较级中的不定式符号不能省略。