[单项选择]If the manager had to choose between the two, he would say John was choice.
A. good
B. the best
C. better
D. the better

[单项选择]If the manager had to choose between the two, he would say John was choice.
A. good
B. the best
C. better
D. the better

[单项选择]He had two houses. He lived with his wife and child in the outer house,（　）was comfortable and clean.
A. which
B. that
C. it
D. where

[单项选择]I told the driver that he had knocked two people （　）their bicycles and had nearly caused a had accident.
A. into
B. off
C. on
D. out of

[单项选择]He got home two hours late and said he had been ______ in the office by business.
A. detached
B. detained
C. obstructed
D. obsessed

[单项选择]You'd better not phone the manager between 7 and 8 tomorrow evening; he ______ an important meeting then.


A. will have
B. would have
C. will be having
D. will have had

[单项选择]You'd better not phone the manager between 9 and 10 o'clock tomorrow morning. He （　） an important meeting.
A. will have
B. would have
C. will be having
D. will have had

[单项选择]______ a wonderful trip he had when he traveled in China!
A. Where
B. How
C. What
D. That

[单项选择]She had two daughters, became doctors.
A. all the them
B. all of who
C. both of whom
D. all of whom

[单项选择]For two weeks, he had been studying the house, looking at its rooms, its electric wiring and its path（）
A. 这两个星期，他从房间、电线和通道各个方面对这所房子进行研究。
B. 他已经在那所房子里研究了两个星期了，不停地在查看各个房间的线路走向。
C. 这两个星期以来他一边观察房间的电线和通道，一边进行研究。
D. 两周以来，他一直注意观察房子的情况，查看各个房间，留心电线的走向和通道的布局。

[单项选择]Every human being who has ever lived had two parents. Therefore, more people were alive three thousand years ago than are alive now.
The reasoning in the argument is flawed because it
A. overlooks the number of people in each generation during the last three thousand years who left no descendants.
B. disregards possible effects of disasters such as famines and plagues on human history.
C. overestimates the mathematical effect of repeated doublings on population size.
D. fails to take into account that people now alive have overlapping sets of ancestors.
E. (E) fails to consider that accurate estimation of the number of people alive three thousand years ago might be impossible.