皮皮学,免费搜题
登录
搜题
【多选题】
关于实验室用水注意事项,以下正确的是( )
A.
水龙头、阀门要做到不滴、不漏、不冒、不放任自流
B.
晚上离开实验室时可以不关闭冷凝水。
C.
实验室在建设时需要安装地漏
D.
对于已冰冻的水龙头应用滚烫的,加速其解冻
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】Fill in the blanks with prepositions or adverbs to make up idioms, phrasal verbs and fixed expressions. 5. If you wish to figure____________ the entire price of your purchase with the sales tax added ...
【简答题】Complete the sentences with these words. Change the forms of the words if necessary. equation subtract divide multiply 1.10-4=6 Four __________ from ten equals six. 2.If you ________ seven by 15 you ...
【多选题】阀门应按图纸设计的型号、介质流向,根据阀壳上流向标识正确安装。当阀壳上无流向标识时,应根据厂家图纸标定的阀门结构、工作原理分析确定。一般要求如下()。
A.
截止阀的介质应由阀瓣下方向上流动
B.
止回阀的介质应由阀瓣上方向下流动
C.
单座式节流阀的介质由阀瓣下方向上流动
D.
双座式节流阀以关闭状态下能看见阀芯的一侧为介质的入口
【简答题】混凝土拌合物的和易性包括 、 和 三 个方面等的含义。
【单选题】To estimate equity risk premiums for emerging markets, some analysts use the relative standard deviation approach, where they scale the standard deviation of the emerging market to that of the S&P 500...
A.
You will understate the equity risk premiums for highly volatile markets
B.
You will understate the equity risk premiums for stable markets
C.
You will understate the equity risk premiums for illiquid markets
D.
You will understate the equity risk premiums for liquid markets
【单选题】In statistics, if you something, you multiply the components of (an average) by factors to take account of their importance.
A.
buy
B.
dominate
C.
weight
D.
measure
【简答题】Complete the sentences with the words or phrases from the choices marked A-E.(从A-E选择正确的选项填空) A. get on with B. multiply C. got on D. where E. adopted 1.They _____ the plane at Cairo(开罗)...
【简答题】Fill in the blanks with the proper form of the given words or phrases: multiply; seed; exceed; bind; soul --What do you get if you ______ six by nine? --54.
【简答题】It’s possible to do many tricks with numbers. Here is one trick, if you follow the instructions, you will find it’s really interesting. First, write down your house number. For example, if your...
【简答题】混凝土拌合物的和易性包括()、()和()三个方面的含义。
相关题目: