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【判断题】
设方阵 满足 ，则 可逆A.
正确
B.
错误
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举一反三
【单选题】My father is _____ to play tennis every Sunday. [ ]
A.
enough active still
B.
enough still active
C.
still active enough
D.
still enough active
【单选题】The underlines sentence in the 1st paragraph shows that______.
A.
America will still make the economic weather in the future
B.
America's status as the world economic leader is declining
C.
German has the potential to be the future leader in global economics
D.
economics seem to start diverging inside the rich countries
【单选题】In the opinion of the speaker, the network technology
A.
is still in its early stage.
B.
is still controlled by a small group of skilled professionals.
C.
still can't be called as a new mass medium.
D.
can't he called as a transformational technology.
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