下列化学用语使用正确的是

题干

下列化学用语使用正确的是

A：HCN分子的结构式：H—C≡N

B：水分子的球棍模型：

C：F^－离子的结构示意图：

D：二氧化碳的电子式：

上一题下一题 0.0难度选择题更新时间:2018-06-29 08:16:57

A

根据所听内容和表格中的提示词，从下列各题所给的A、B、C三个选项中选择最佳选项。

An Experience of Watching a Movie
Time	Last weeked
Event	I went to cinema to watch journey to the west with ( 1 ) .
Result	Some of the people there made me feel very ( 2 ) .
Causes	①A few guys were ( 3 ) loudly or even shouting. ②Some people threw away plastic bags, ( 4 ) and other rubbish.
Advice	All of us are supposed to obey the rules ( 5 ) .