大学英语1 Many ____ measures have been taken to reduce air pollu

大学英语
1 Many ____ measures have been taken to reduce air pollution in this city.
a、efficient b、influential c、sufficient d、effective
2 The accident didn't do much____to either of the motorcars.
A hurt B injury C damage D loss
3 To get high rates of advance it is sometimes necessary to work on two,three or even four ______.
a、turns b、terms c、shifts d、posts
4 At present the bedroom has to be ___ by at least six students.
a、held b、divided c、shared d、separated
5 Helen always helps her mother even though going to school ______ most of her day.
a、takes up b、makes up c、saves up d、puts up
6 People may have many different opinions about Karen,but I admire her.______,she is a great musician.
a、After all b、As a result c、In other words d、As usual
7 Scientists say it may be five or six years ______ it is possible to test this medicine on human patients.
a、since b、after c、before d、when
8 The number of people present at the concert was ______ than expecte； There were many tickets left.
a、much smaller b、much more c、much larger d、many more
9 You were silly not ______ your car.
a、to lock b、to have locked c、locking d、having locked
10 ______ with the size of the whole earth ,the biggest ocean does not seem big at all .
a、Compare b、When comparing c、Comparing d、When compared
11 ---How long are you staying？
---I don't know.____.
a That's OK b Never mind c It depends d It doesn't matter
12 In most countries,the metric system has been ____ for all measurement.
a、applied b、admitted c、adapted d、adopted
13 Mr.Jones has just arrived,but he talks as if he ______ everything here.
a、will know b、 has known c、 knew d、 know
14 He had ____ to spend his holidays in Italy,but circumstances forced him to change his mind.
a、tended b、intended c、extended d、pretended

a,c,b(不确定)c.a,a,a(不确定)d,d,c
a c b