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【判断题】
预硫阶段的长短反映了橡胶硫化反应速度的快慢,主要取决于胶料的配方。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Which factor did the speaker once think was the most critical one?
A.
marketing
B.
business model
C.
timing
D.
idea
【单选题】What was the speaker once doing?
A.
She was working on a plane.
B.
She was working on a bus.
C.
She was working as a cook.
【单选题】Why did the speaker once assume the manager was sick?
A.
Because he looks very unhappy.
B.
Because he usually wore a hard wing collar.
C.
Because the left side of his face was swollen.
D.
Because the right side of his face was swollen.
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