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【单选题】
塑料熔体在模具内经历的（）这四个阶段。A.
充模→压实→倒流→冷却
B.
充模→倒流→压实→冷却
C.
充模→冷却→倒流→压实
D.
充模→冷却→压实→倒流
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【单选题】What does Carl think about taking part in the Olympic Games?
A.
He has decided that it is time for him to leave.
B.
He has lost interest in the Games.
C.
He thinks he is too old for the Games.
D.
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A.
will rain
B.
is raining
C.
will be raining
D.
would rain
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II、III
D.
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