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【简答题】
邮寄调查的缺点是( )。
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皮皮学刷刷变学霸
举一反三
【单选题】如果生产过程中使用的两种投入品具有互补关系，则
A.
投入品不能同时使用
B.
投入品既可能是总互补，也可能是总替代关系
C.
投入品是总互补关系
D.
投入品是总替代关系
【单选题】However, scientists are delighted by the discovery, because the engineers were all very educated people and scientists feel they can ______ what they described. [ ]
A.
rely on
B.
deal with
C.
write down
D.
pass on
【简答题】SS3B型机车的电气制动包括有电阻制动和( )。
【单选题】What did Beethoven, Gothe and Schiller have in common with Hitler?
A.
They were all evil people.
B.
They were all civilized people.
C.
They lived in the same time and had similar beliefs.
D.
They were all from Germany, a civilized society.
【单选题】—Were all the three people in thecar injured in the accident? —No, only the two passengers whogot hurt.
A.
it was
B.
there was
C.
there were
D.
there had
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