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【判断题】
抗静电剂可以直接在制品表面,也可以在制品成形时混炼在聚合物中,前者称为内部抗静电刑(也称型抗静电剂),后者称为外部抗静电剂(也称混炼型或添加型抗静电剂)。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The CEO's statement in the last sentence of this passage implies that
A.
stress has become the last taboo that people won't dare admit to
B.
succumbing to stress is considered a shameful weakness
C.
corporate elite have no enough courage to admit to stress
D.
being able to handle stress is the most basic of job expectations
【简答题】think ________ 仔细考虑;推敲;琢磨
【单选题】At least how many tests were carried out by the scientists referred to in this passage?
A.
Three.
B.
Two.
C.
Only one.
D.
Four.
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