水泵须分解检修,检修后须作用良好,不漏水。柱塞式手动泵阀体下部须有排水堵。

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问题:

水泵须分解检修,检修后须作用良好,不漏水。柱塞式手动泵阀体下部须有排水堵。

考点:车辆钳工考试车辆钳工技师车辆钳工技师题库
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将8g铁片放入100 mL CuSO4溶液中,Cu2+全部被置换后,取出附有铜的铁片洗涤、干燥、称重,其质量变为8.2g,则原溶液中CuSO4的物质的量浓度是

A.0.125ol/L

B.0.175mol/L

C.0.25 mol/L

D.0.5 mol/L

题型:判断题

GH功能紊乱时,生化诊断的首选实验室检查项目是()

A.血清(浆)GH

B.血清(浆)IGF

C.血清(浆)IGFBP

D.运动刺激试验

E.抑制试验

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       你校英语外籍教师Emesto and Stasi暑假期间准备在本地开一家西餐小店,要招若干名高中生为无酬打工人员。下面是招聘启事:

                                                                   Wanted!

                                                     4 middle school students

                                            Do service work and act as translators

                                                         Healthy and helpful

                                                   Contact:wfpub@gmail.com

      假定你叫李华,愿意应聘。请写封电子邮件,介绍自己,并说明你愿意应聘的理由。词数110左右。开头已写好,不计入总词数。

       Dear Emesto and Stasi,

I happened to have read your advertisement and decide to apply for the job.____________                      ___________________________________________________________________

________________________________________________________________________              

                                                                                                                                                               

       Yours sincerely

                                                                                                                                               Li Hua

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区域预测结果、区域防突措施、保护效果检验、采掘工作面编制防突专项设计及安全技术措施,经企业技术负责人审批。

题型:判断题

安全装置及设施()拆除、挪用

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