这道题脱式计算怎样算

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• 1这道题怎么计算
  这道题怎么计算 
  
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• 2What is the mans request？A．To have breakfast in the room.B．To pay the bill when checking o

  What is the mans request？

  A．To have breakfast in the room.

  B．To pay the bill when checking out.

  C．To sign the name in the morning.

  D．To use a new credit card for the room.

  请帮忙给出正确答案和分析，谢谢！

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• 3第五题和第六题（1）,怎么写
  第五题和第六题（1）,怎么写 
  
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• 4What does the man say about watching classic movies？A．It is helpful in practicing one"s pr

  What does the man say about watching classic movies？

  A．It is helpful in practicing one"s pronunciation.

  B．It can make people relaxed.

  C．It can enrich their college life.

  D．It is the source of classic music.

  请帮忙给出正确答案和分析，谢谢！

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• 5Whether English should be a tool or a subject has generated a heated discussion over the p

  Whether English should be a tool or a subject has generated a heated discussion over the past decade. Some argue that English as a subject has taken up too much time of Chinese students, so that it should be removed from the school syllabus. While others argue that English as a tool should be learned. Whats your opinion？ Write on ANSWER SHEET THREE a composition of about 200 words on the following topic-. Is English a Tool or a Subject？ You are to write in three parts. In the first part, state specifically what your opinion is. In the second part, support your opinion with appropriate reasons. In the last part, bring what you have written to a natural conclusion or make a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.

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• 6文化部在加快文化产业发展的措施中指出,积极探索是否能通过对低收入群体和贫困地区发放文化消费券等方式,
  文化部在加快文化产业发展的措施中指出,积极探索是否能通过对低收入群体和贫困地区发放文化消费券等方式,提高他们的支付能力,刺激消费,推动产业发展.1.上述做法的根本目的是A激励人们在实践中创造生活 B发展中国特色社会主义文化C为人们在社会生活中获得和享用文化 D加快我国文化产业发展2.上述做法的文化生活依据是A.经济是文化的基础,对文化具有反作用 B.文化是经济的基础,对经济有反作用C.文化具有相对
  
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• 7分泌褪黑素的是A.下丘脑B.腺垂体C.甲状腺D.肾上腺E.松果腺

  分泌褪黑素的是

  A.下丘脑

  B.腺垂体

  C.甲状腺

  D.肾上腺

  E.松果腺

  请帮忙给出正确答案和分析，谢谢！

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• 8将一定量的丙醇（C3H8O）和氧气置于一个封闭的容器中引燃，测得反应前后各物质的质量如下表：
  将一定量的丙醇（C3H8O）和氧气置于一个封闭的容器中引燃，测得反应前后各物质的质量如下表： 物质 丙醇 氧气 水 二氧化碳 X 反应前质量/g 6.0 12.8 0 0 0 反应后质量/g 0 0 7.2 8.8 a下列判断正确的是（　　）A. 表中a的值为3.8B. X一定是该反应的催化剂C. X可能含有氢元素D. 若起始时氧气的质量是1
  
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• 9求详细过程并说明做这些题所要注意的知识
  求详细过程并说明做这些题所要注意的知识 
  
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• 10眼晶状体A.异种抗原B.同种异型抗原C.异嗜性抗原D.自身抗原E.肿瘤相关抗原

  眼晶状体

  A.异种抗原

  B.同种异型抗原

  C.异嗜性抗原

  D.自身抗原

  E.肿瘤相关抗原

  请帮忙给出正确答案和分析，谢谢！

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