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【单选题】
反应NO 2 （g）=NO（g）+1/2O 2 （g）的平衡常数是0.4，反应2NO（g）+O 2 （g）=2NO 2 （g）的平衡常数是（）。A.
6.25
B.
0.25
C.
0.4
D.
-2.5
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【判断题】John is a nice guy, isn't he? ( 降调 ) This question tag asks for agreement.
A.
正确
B.
错误
【单选题】John is a nice guy, isn't he? ( 降调 ) This question tag ____.
A.
ask for agreement.
B.
ask for clarification.
【简答题】根据汉语提示翻译句子。（10分，每小题2分） 小题1:尽最大努力帮助别人是我们的责任。 It’s our duty to help others. 小题2:令我们惊奇的是，他一声不吭就离开这儿了。 , he left here without telling anybody. 小题3:学生们总感到每天有太多的作业做。 Students always feel they have homework ...
【判断题】原文:Without saying any word, he left the lecture room this morning.译文:今天早上,他一句话也没说,离开了教室。
A.
正确
B.
错误
【简答题】3 Don’t do that again. (Tag-Question) _______________________________?
【单选题】Your birthday was last week. wasn't it? ( 升调 ) This question tag ____.
A.
ask for agreement.
B.
ask for clarification.
【单选题】Which of the following tag question is INCORRECT?
A.
Carry this parcel for me, will you?
B.
Nobody wants to go there, does he?
C.
Few people know him, don't they?
D.
Everything is ready, isn't it?
【单选题】which of the following tag question is INCORRECT?
A.
Carry this parcel for me, will you?
B.
Nobody wants to go there, does he?
C.
Few people know him, don't they?
D.
Everything is ready, isn't it?
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