工业产品的营销者只受到采购员人际关系的影响,所以只需了解采购员的情况。()
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发现和处理外国人的犯罪活动属刑事警察的职责。()
A. 正确
B. 错误
A.withB.toC.forD.by
A. with
B. to
C. for
D. by
It is proved that the Sun is divided into five layers.
A. Right
B. Wrong
C. Not mentioned
The Sun's atmosphere only exists in the first three zones.
A. Right
B. Wrong
C. Not mentioned