下列图示的实验操作正确的是

题型:选择题

问题:

下列图示的实验操作正确的是

考点:测容器—量筒称量器—天平加热器皿—酒精灯常见仪器和装置的用途
题型:选择题

请修改以下短文,短文共10处错误,每句最多有两处错误。错误涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除:把多余的词用斜线(﹨)划掉。

修改:在错的词下画一横线,并在该词下面写出修改后的词。

注意:只允许修改10处,多者(从第11处起)不计分

One day, I was cooking in the kitchen while the telephone rang. I went to answer it immediate. She was my close friend, Lisa. When we were talking on a phone, the fire alarm sounded. I run back to the kitchen find the room full of smoke and the beef badly burnt. I quickly turned off the gas, opening all the windows, and then went out of the house. To my surprise, two fire engine were outside my house. I was rather worried. I told about the firemen that it was my careless cooking which caused the heavy smoke.

题型:选择题

软件测试是保证软件质量的重要手段,其首要任务是( )。

A.保证软件的正确性

B.改正软件存在的错误 ,

C.发现软件的潜在错误

D.实现程序正确性证明

题型:选择题

Word中若要同时查看文档的不同部分,最便捷的方法是使用()命令

A.新建窗口

B.重排窗口

C.拆分窗口

D.并排比较

题型:选择题

当航空运输承运人将大型的四发往复式发动机提供动力的飞机从一个基地运往其他地方维修失效的发动机时必须遵守的运行要求是()

题型:选择题

作为企业经营者应该什么()

A.资本

B.忠诚度

C.资本和忠诚度

D.绩效

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