Training new employees is the responsibilities of Human Resources Department。
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Buying new materials and other items are the responsibility of Purchasing Department.
A. 对
B. 错
Dave is responsible for promoting new products.
A. 对
B. 错
人的基本社会性需要包括哪几方面?
A. 被关注
B. 被认同
C. 被尊重
D. 被需要
二力构件受到的力与其形状有关系吗?
A. 没关系
B. 有关系
C. 有时候受力与形状有关系