【单选题】【消耗次数：1】
This is no time to moralize ______ the follies of countries which have allowed themselves to be struck down one by one.
①
to
②
on
③
by
④
in
参考答案：
复制
纠错
相关题目
【单选题】
No one would have time to read or listen to an account of everything ____going on in the world.
①
it is
②
as is
③
there is
④
what is
【单选题】
Which of the following is the time when students study by themselves?
①
When all the students are under the control of the teacher
②
When students work in pairs on an exercise or a task
③
When students work in small groups
④
When students are expected to work on their own at their own speed.
【单选题】
Australia is one of the few countries ____ people drive on the left of the road.
①
which
②
that
③
where
④
on which
【单选题】
A: Is it time for us to set off now? B: [填空]. We’ll have to wait for one more hour.
①
Certainly, it is
②
Thats all right
③
Sorry, I am afraid not
④
Sorry,its too long
【单选题】
Which one of the following drugs is AChE inhibitor ( )
①
PAM-Cl
②
nicotine
③
neostigmine
④
atropine
⑤
pilocarpine
【单选题】
By the time you graduate, we _____in Australia for one year.
①
will be staying
②
will have stayed
③
would have stayed
④
have stayed
【单选题】
In such an emergency, one has no time to think carefully but to act ( ).
①
exactly
②
precisely
③
hastily
④
instinctively
【单选题】
I have made _______ dumplings. Now Im making the _______ one.
①
twenty; twentieth-first
②
twenty; twenty-first
③
twentieth; twenty-first
④
twenty; twenty-one
【单选题】
A ____ language is one which is still spoken by people in the
course of their everyday lives.
①
living
②
live
③
lovely
④
alive
【单选题】
To survive such an ( ) of a car crash, one has to have incredible luck.
①
collision
②
incident
③
occurrence
④
impact
随机题目
【单选题】
关于PI控制器作用，下列观点正确的有（）
①
可使系统开环传函的型别提高，消除或减小稳态误差；
②
积分部分主要是用来改善系统动态性能的；
③
比例系数无论正负、大小如何变化，都不会影响系统稳定性；
④
只要应用PI控制规律，系统的稳态误差就为零。