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【单选题】
C和CuO在高温下反应可能生成Cu、Cu 2 O、CO 2 、CO。现将1 g碳粉跟8 g CuO混合，在硬质试管中隔绝空气高温加热，将生成的气体全部通入足量NaOH溶液中，并收集残余的气体，测得溶液增加的质量为1.1 g，残余气体在标准状况下的体积为560 mL。下列说法错误的是(　　)
A.
在硬质试管中隔绝空气高温加热固体混合物时，有0.6 g碳参加了反应
B.
试管中发生的所有氧化还原反应共转移电子0.15 mol
C.
反应后试管中剩余的固体混合物的总质量为7.2 g
D.
反应生成铜和氧化亚铜的总物质的量为0.1 mol
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【单选题】听力原文：M: Look at them! They've the latest Adidas shoes. W: You've already had a pair of shoes. M: They cost only $100. W: ＄1007 For a pair of shoes? M: But they are the latest. I just want to get them....
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Teacher and student.
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Father and son.
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相关题目：
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A.
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B.
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C.
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D.
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【单选题】听力原文：W: Hi! Welcome to Rental Property Management, How may I help you? M: Yes. I'm interested in renting a two-bedroom apartment. W: Okay. Have a seat, please. M: Thank you. W: My name is Ann Smith. I...
A.
To see his old friend Ann Smith.
B.
To buy a two-bedroom apartment.
C.
To talk to the rental agent there.
D.
To rent a two -bedroom apartment.
查看完整题目与答案
【简答题】听力-Please match the diagloe with the crosponding food category.
查看完整题目与答案
【单选题】Bill has just visited China to finish writing his new book.
A.
Right
B.
Wrong
C.
Doesn't say
查看完整题目与答案
【单选题】Has his new book been published yet?
A.
Yes. He’s still writing it.
B.
Yes. I saw a copy in the store yesterday.
查看完整题目与答案
【单选题】His new book __next month.
A.
is publishing.
B.
has published.
C.
will be published.
D.
was published
查看完整题目与答案