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问题 多项选择题

储罐区低倍数泡沫灭火系统按泡沫喷射形式不同，分为（）。

A.液上喷射系统

B.半液上喷射系统

C.液中喷射系统

D.液下喷射系统

E.半液下喷射系统

答案

参考答案：A, D, E

选择题

— Hi, Maria! I got the first place in the exam.

— ________! Everyone knows you cheated and you just copied Tony's paper. [      ]

A. Congratulations  

B. Come on

C. Good luck  

D. Cheer up
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选择题

- How about having a picnic in the park on Sunday?

- ___________ . Whatever you want to do is fine with me.

A．You’re welcome

B．It’s boring

C．It’s up to you

D．It depends
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