题目内容

We should appearconfidentandpositiveduringourspeech.

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

An effective speaker should use clear and concrete language to prsent the speech.

A. 对
B. 错

Common expressions should be used instead of abstract words to build an effective speeh.

A. 对
B. 错

某容器内的绝对压强为200kPa,当地大气压为101.3kPa,则表压为kPa。

A. 301.3
B. 98.7
C. -98.7
D. -301.3

压力表所测压强为绝对压。

A. 对
B. 错