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起始婴儿配方奶粉

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钢材常用的冷却方法有哪些?

Having been familiar with his ability, ().

A. the manager was assigned a challenging task
B. the manager assign a challenging task
C. the board assigned him a challenging task
D. a challenging task was assigned to the manager

配水干管及配水管应做()环圈标志。

A. 红色
B. 黄色
C. 蓝色
D. 白色

下列不属于坚持原则,实事求是的有()。

A. 严格执行操作规程
B. 如实地出具检验报告
C. 严格保守企业合法的商业秘密
D. 遵守职业道德行为准则

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