大学英语1． I wonder why they don’t allow ___ the library.( )A． t

大学英语
1． I wonder why they don’t allow ___ the library.( )
A． to use
B． us use
C． us using
D． us to use
2． Not knowing what to reply ___ such a question,we kept silent.( )
A． /
B． to
C． with
D． on
3． Although he was badly hurt,he ___ explain what had happened.( )
A． could
B． might
C． was able to
D． could not
4． The ___ stuck on the envelope says "By Air".( )
A． diagram
B． label
C． signal
D． mark
5． It was in Britain ___ he got his Ph.D.( )
A． where
B． in which
C． that
D． there
6． Who is the boy ___ by the window?( )
A． type
B． typing
C． to be typing
D． typed
7． What are you ___ if she asks you to stay?( )
A． doing
B． to do
C． to be done
D． to be doing
8． Researchers discovered that plants infected with a virus give off a gas that ___ disease resistance in beighboring plants.( )
A． contracts
B． activates
C． maintains
D． prescribe
9． There was a big hole in the road which ___ the traffic.( )
A． set back
B． stood back
C． held up
D． kept down
10． I’d rather you ___ the book to me now.( )
A． will return
B． should return
C． return
D． returned
11． You ___ here at 9,but now it is already 10.( )
A． ought to be
B． need to be
C． ought to have been
D． need have been
12． By ___ computation,he estimated that the repairs o the house would cost him a thousand dollars.( )
A． coarse
B． rude
C． crude
D． rough
13． How many mile have you been ___ today?( )
A． reached
B． been
C． covered
D． away
14． Now there is no need to worry about the deadline since we are ahead of ___.( )
A． table
B． chare
C． schedule
D． graph
15． Reading ___ the lines,I would say that the Government are more worried than they will admit.( )
A． behind
B． between
C． along
D． among

1.D allow sb.to do sth.
2.B to..question通常指问题的答案
3.B badly hurt可以看出用可能性小,用might
4.B diagram简图,label标签,signal符号,mark手写标记
5.A 地点
6.B 看时态直接排除A.C,人打印不存在被动,选B
7.C 时态
8.C contract合约 activate启动 maintain保持 最后一个是处方
9.C hold up交通阻塞
10.C rather do动词原型
11.C 题意完成时
12.D would可以看出选rough粗糙,经过粗糙计算……
13.A 达到
14.C 行程
15.B 有选择