今年五月,国内某大型药厂生产的一批药品不合格,这批药品进入市场后给社会和厂家都造

题型:选择题

问题:

今年五月,国内某大型药厂生产的一批药品不合格,这批药品进入市场后给社会和厂家都造成了无法估量的损失,经调查,主要原因是药品检验时把关不严.在药品检验中要利用红外线进行光谱分析,下列关于红外线的说法中正确的是(  )

A.红外线在真空中的传播速度要小于3×108m/s

B.十字路口的红灯发出的光是红外线

C.一红外线的波长为105nm,则它的频率是3×1012Hz

D.红外线是可见光不是电磁波

考点:红外线电磁波的传播波速、波长和频率的关系
题型:选择题

旅行社或导游服务管理机构应为注册的导游人员建立档案,负责对导游人员年审的初评。 ()

A.正确

B.错误

题型:选择题

As the world’s leading seller of pogo sticks to senior citizens, your business has had its ups and downs. Recently, a high-priced consultant completed a study tracing the “downs” directly to the fact that your organization is not a learning organization. It seems that no one shares information, and that people are managing projects the same way they were managed three generations ago. You are convinced that the consultant’s advice is correct and decide to make some changes. Accordingly, your firm now will conduct regular learning events. You hired a chief learning officer to make it all happen. Her first suggestion aimed at achieving this goal is to ensure the company supports______.

A.project team meetings

B.in-progress customer review sessions

C.kickoff meetings

D.benchmarking forums

题型:选择题

按照航线上各挂靠港口的平均距离为基础,并分航线、按货物种类或等级制订的班轮运价,这种运价适合于()。

A.沿海航线 

B.远洋航线 

C.内河航线 

D.近洋航线

题型:选择题

美国与欧盟向世贸组织提出申诉,要求中国取消稀有金属的出口限制。对此,我国工信部表示,中国控制稀有金属的产能总量和出口量,主要目的是保护环境和自然资源,中方不会因为第三方的申诉改变政策。这表明,我国在发展对外经济关系中()

①坚持贸易双方地位平等

②坚持独立自主的原则

③维护国家的根本利益,维护国家经济安全

④吸收和引进当代世界先进的科学技术

A.①②

B.①④

C.②③

D.③④

题型:选择题

电烘箱使用过程中能耗不是以“()”表示。

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