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【单选题】
常温下，下列不发生反应的一组物质是 ①铜与浓硫酸 ②二氧化硅与NaOH溶液 ③铜与浓硝酸 ④石英与纯碱 ⑤铁与液氯 ⑥一氧化氮与氧气 ⑦硅与氧气 ⑧H 2 S与SO 2A.
①②③⑥
B.
②③⑥⑧
C.
①④⑤⑦
D.
①②③⑦
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举一反三
【单选题】听力原文：Amy Morning, Dr. Carter. Im sorry to disturb you. But may I speak to you about my course? Dr. Carter Yes, come in, Amy. But anyway, I havent got long, because I have to give a lecture in half an ...
A.
She was unwell.
B.
She was worried,
C.
She was stressed.
D.
She was depresse
【简答题】I'm sorry to disturb you, but is that ? Who do you want to speak to? Jane Casting, please.
【单选题】听力原文：W: Professor Li, I'm so sorry to disturb you by asking you so many questions after class. You must feel very tired of that. M: Tired? There is nothing more interesting than helping my students so...
A.
It is very boring.
B.
It is very interesting.
C.
It is a waste of time.
D.
It is his responsibility.
【单选题】听力原文：W：Professor Li，I am so sorry to disturb you by asking you so many questions after class．You must feel very tired of that． M：Tired? There is nothing more interesting than helping my students solve...
A.
It is very boring.
B.
It is very interesting.
C.
It is a waste of time.
D.
It is his responsibility.
【简答题】英译中：I’m sorry to disturb you. I’m here to check the smoke detector in your room.
【单选题】-- Sorry to disturb you, ________ can I use your phone? -- Oh, go ahead.
A.
and
B.
if
C.
when
D.
but
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