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【单选题】
()设计模式将一个请求封装为一个对象，从而使得可以用不同的请求对客户进行参数化，对请求排队或记录请求日志，以及支持可撤销的操作。A.
命令(Command)
B.
责任链(Chain of Responsibility)
C.
观察者(Observer)
D.
策略(Strategy)
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举一反三
【简答题】The pilots had to take emergency action to ___________ a disaster .
【单选题】All flights had to be cancelled _________ a result of the pilots' strike.
A.
by
B.
as
C.
of
D.
in
【单选题】______ the pilots’ strike, all flights have had to be cancelled
A.
As a matter of
B.
As a rule
C.
As though
D.
As a result of
【单选题】According to the passage, Hitler had attempted to
A.
biologically change the pilots to win the war.
B.
develop genetic farming for increasing the food supply.
C.
kill the people he thought of as being inferior.
D.
encourage the development of genetic weapons for the war.
【单选题】All flights had to be canceled ( ) a result of the pilots’ strike.
A.
to
B.
up
C.
off
D.
as
【简答题】男士西装一般分为( )、( )、( )三类
【单选题】_________ the pilots ’ strike, all flights have had to be cancelled.
A.
As to
B.
Because of
C.
Without
D.
But For
【简答题】男士西装着装的三个三原则分别为
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