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问题 单项选择题

根据员工的实际贡献付薪，适当拉开薪酬差距体现了企业薪酬管理的()。

A.对外具有竞争力原则

B.对员工具有激励性原则

C.对内具有公正性原则

D.对成本具有控制性原则

答案

参考答案：B

单项选择题

As viewed from space, the Earth’’s distinguishing characteristics are its blue waters and white clouds. Enveloped by an ocean of air consisting of 78% nitrogen and 21% oxygen, the planet is the only one in our solar system known to harbor life. Circling the Sun at an average distance of 149 million km (93 million miles), the Earth is the third planet from the Sun and the fifth largest planet in the solar system. Its rapid spin and molten nickel-iron core give rise to an extensive magnetic field which, coupled with the atmosphere, shields us from nearly all of the harmful radiation coming from the Sun and other stars. Most meteors burn up in the Earth’’s atmosphere before they can strike the surface. The planet’’s active geological processes have left no evidence of the ancient pelting it almost certainly received soon after it was formed. The Earth has a single natural satellite — the Moon.

Approximately how much of the Earth’s atmosphere is nitrogen

A．One-fourth.

B．One-half.

C．Three-fourths.

D．All of it.
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单项选择题 共用题干题

男性，56岁。患慢性骨髓炎8个月，血红蛋白70g/L，白细胞、血小板正常。血清铁6.21μmol/L，铁蛋白206μg/L，骨髓增生活跃，细胞外铁（+++）。

该病的发病机制描述不正确的是（）。

A.红细胞干细胞凋亡过早

B.红细胞生成素相对不足

C.机体造血储备能力降低

D.单核巨噬细胞释放内铁障碍

E.细胞利用铁障碍
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