紫外线照射时剂量和距离之间的关系为A.剂量和距离呈正比 B.剂量和距离呈反比 C.剂

题型:单项选择题

问题:

紫外线照射时剂量和距离之间的关系为

A.剂量和距离呈正比

B.剂量和距离呈反比

C.剂量和距离平方呈正比

D.剂量和距离平方呈反比

E.两者无关联

考点:康复治疗技术(主管技师)康复技师基础知识康复治疗技术主管技师基础知识7
题型:单项选择题

My brother Tom was very selfish when he was a little boy.He did not want share things with other people. For example, when he bought a chocolate cake he put them in a secret place where I couldn’t find . Then he ate it all by himself. He never helped other. He said he is busy . That is, a game of tennis making him very busy. He did not care if something he did made people angry. For instance, on one night he played strong and loudly music till four o’clock on the morning. But he is difference now. He often helps grandma with housework, helps his classmates with their lessons.

题型:单项选择题

1926年,国民革命军出师北伐,它打击的第一个对象是[ ]

A.吴佩孚

B.孙传芳

C.张作霖

D.陈炯明

题型:单项选择题

标准Ⅱ导联的联接方式是().

A.左上肢为阳极,右上肢为阴极

B.左上肢为阴极,左下肢为阳极

C.右上肢为阴极,右下肢为阳极

D.右上肢为阳极,左下肢为阴极

E.左下肢为阳极,右上肢为阴极

题型:单项选择题

在签订建设工程施工承包合同之前,承包人应对合同的().合同双方的责任.权益以及合同风险进行评审.认定和评价。

A.经济性、效益性

B.合法性、完备性

C.有效性、公开性

D.独立性、排他性

题型:单项选择题

选矿过程由哪些基本工序组成?

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