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问题 单项选择题

按照附件十七的内容，可泄露的“湿”电池可以（）。

A、对旅客和机组的健康或航空器和财产的安全产生危险的爆炸或高度燃烧

B、对旅客和机组的健康或航空器和财产的安全产生危险

C、用来致伤

D、以上均错误

答案

参考答案：B

选择题

Thank you for ______ us a lot this time. [ ]

A．helping

B．helped

C．helps

D．help

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补全对话，情景问答
阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话，并将其序号填入题前括号内。
A: Do you want to come here?
B: Maybe man will go to live on mars in the future.
C: But now it is a big step for man.
D: Can man go to live on it?
E: It will be more crowded.
F: It is good for me.
G: What is your unreal dream?
A: What's your dream?
B: I have an unreal dream.
A: 1.              
B: I hope to be a Mars citizen (市民).
A: It is perhaps, a true dream.
B: 2.              
A: I see, there are so many people on such a small earth. It is too crowded everywhere.
B: There will be more babies born this century on our planet.
A: 3.              
B: So I hope to be a citizen who lives on Mars.
A: It is a good idea to solve the crowded problem of our planet.
B: 4.              
A: The scientist said that there is no air, no water and no life on it. 5.              
B: I don't think so, but I am sure man's dream to live on Mars will come true one day.
A: Perhaps our dream will come true before long.
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