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【单选题】
采用襟翼的主要目的是为了( )。A.
改变俯仰状态
B.
减小阻力
C.
改变偏航状态
D.
增加升力
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举一反三
【简答题】There are different superstitions (迷信) in different countries. In Britain, for example, many people do not like to walk under a ladder or to open an umbrella in a house. If they spill(撒) salt, they wi...
【简答题】A．Yes, I'm not. B．Yes, I am. C．No, I am. D．Not at all.
【单选题】某配送企业在生鲜食品的______服务方面比较有特色,能满足用户的每次要货要求,且生鲜食品每次送到时都保持鲜美无比;但因此成本居高不下,不能满足用户在______方面的要求。
A.
时效性，便利性
B.
便利性，可靠性
C.
可靠性，经济性
D.
经济性，时效性
【单选题】Which of the following statements best expresses the main idea of the passage?
A.
Many people who went West were doctors.
B.
Medicine and the people who sold it were not reliable.
C.
Many pioneer women died from bites inflicted by snakes and mosquitoes.
D.
Pioneer women had to invent their own remedies when they moved West.
【单选题】Are you doing your homework? _______.
A.
Yes, I am.
B.
Yes, I’m not.
C.
Yes, I like it.
D.
No , I am.
【单选题】—Are you tired? —______________ [ ]
A.
Yes, I do .
B.
Yes ,I am not .
C.
Yes, I am.
D.
No , I am.
【单选题】—Are you from America? — _____ [ ]
A.
Yes, I amn't .
B.
Yes, I am .
C.
No, I am .
D.
No , I don't .
【单选题】__________ the global financial crisis, the Chinese government has taken many measures _______ people ‘s life to deal with it.
A.
Faced with; related
B.
Faced; relating to
C.
Faced with; relating
D.
Facing, related to
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