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【单选题】
在多釜串联模型中,无因次方差等于0.5时,反应器的个数N为_____________。A.
1
B.
2
C.
4
D.
无法计算
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反馈参考答案：
举一反三
【单选题】What does the man ask the woman to do before tomorrow?
A.
To repair the computer by herself
B.
To ask for another person to help her
C.
To make copies of her work
D.
To check her back carefully
【简答题】艺术必须具有统一性 ,使建筑达到统一有三种方法
【简答题】Before the flight takes off, all passengers (ask) ______ to fasten their seat belts.
【单选题】Before building a house, you have to ask for the government’s _______.
A.
award
B.
permission
C.
request
D.
excuse
【单选题】Ask your father for some money, ______ you will be unable to buy a bicycle before September.
A.
or
B.
and
C.
then
D.
so
【单选题】_____________ he arrives before I get back，please ask him to wait.
A.
In the case of
B.
In case
C.
In case of
D.
In that case
【简答题】In case they arrive before I come back, please ask them to wait for a few minutes.
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