间距小于20m的平行巷道,其中一个巷道爆破时,两个工作面的人员都必须撤到安全地点。(

题型:判断题

问题:

间距小于20m的平行巷道,其中一个巷道爆破时,两个工作面的人员都必须撤到安全地点。()

考点:井下爆破工井下爆破工题库
题型:判断题

根据短文内容及首字母提示补全单词

How can you study well? I think you should have good study habits. Then you can spend less time but learn 小题1:  .

First, make the full use of your time. Are your books open? If so, please 小题2:   off your TV and out away your snacks. Of course, you need some time to play. But you should play a 小题3:  study. Remember: study comes first.

Second, listen to your teachers 小题4:   in your class. You know, it is very important. If you have questions, just ask your teachers, they are very glad to 小题5:  you.

Third, do your homework by yourself. M小题6:  you can’t work out a problem. You can ask for help. But you can’t just copy the answer. Make 小题7:   you understand it.

Fourth, take a notebook with you, sometimes you may have some ideas or questions. Please write them 小题8:  . Then you can talk to your teachers, parents or f 小题9: .

These four tips are helpful to you. Please have a try! You may s 小题10: if you have good study habits.

题型:判断题

下面有关加成聚合型硅橡胶印模材料的说法,错误的是()

A.精确印模材料

B.具有几种不同的黏稠度

C.完成印模后尽快灌注模型

D.完成印模后可以复制多个模型

E.印模时注意保持术区干燥

题型:判断题

公司法定公积金转增为资本时,所留存的该项公积金不得少于()

A.转增前公司注册资本的25%

B.转增后公司注册资本的25%

C.转增前公司资产总量的25%

D.转增后公司资产总量的25%

题型:判断题

我国药物不良反应监测管理办法(试行)中要求对其中严重、罕见的药物不良反应须用有效方式快速报告,最迟不超过

A.1个月

B.2个星期

C.7个工作日

D.10个工作日

E.15个工作日

题型:判断题

根据国家标准,柱形散热器每片长度L分为()2种。

A、20mm和30mm

B、40mm和60mm

C、60mm和80mm

D、80mm和100mm

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