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【单选题】
下列有关一氧化碳的说法正确的是 [ ]A.
一氧化碳是有刺激性气味的毒气
B.
在炉子上放盆水，可以避免一氧化碳中毒
C.
一氧化碳和二氧化碳都是由碳和氧两种元素组成的，所以它们化学性质相似
D.
一氧化碳既有可燃性，又有还原性
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【简答题】桑代克的尝试错误学习理论发现的学习规律有____、____、____。
【单选题】Which one of the following statements about complying presentation is correct? ( )
A.
When an issuing bank determines that a presentation does not comply, it may, with the agreement from the negotiating bank, approach the applicant for a waiver of the discrepancies.
B.
When an issuing bank determines that a presentation is complying, it may in its sole judgement, decide whether or not to honour.
C.
Banks may refuse to honour or negotiate discrepant documents.
D.
Notice of refusal must be given to presenter no later than close of the tenth banking day following the day of presentation.
【简答题】When there is no wifi?.mp4 1. How did the woman feel when there was no Wi-Fi?
【单选题】When complying with a request and writing a direct reply letter, a business communicator should include an opening that
A.
summarizes the reader's claim and request.
B.
presents the good news immediately.
C.
explains and clarifies your position.
D.
builds goodwill.
【简答题】I lived in West Egg, the___1___, and certainly less___2___, of the two eggs. My little house was near the sea, between two very ___3___houses. The one on my right side was very___4___and was a copy of...
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