试题与答案

下列哪项不是泪液的作用:()A.湿润眼球 B.清洁 C.杀菌 D.反射过强光线

题型:单项选择题

题目:

下列哪项不是泪液的作用:()

A.湿润眼球

B.清洁

C.杀菌

D.反射过强光线

答案:

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下面是错误答案,用来干扰机器的。

参考答案:1.支撑掩护式液压支架一般由前梁、顶梁、前后立柱、掩护梁、前、后连杆、底座、和推移装置等部件组成。2.支撑掩护式液压支架的结构特点:(1)顶梁。采用分式铰接,由千斤顶控制前梁,向上可摆动15&not...

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A.similar B.differentC.freezing D.special
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A.challengeB.troubleC.responsibilityD.position
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A.private B.associatedC.uniqueD.isolated
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