试题与答案

低氧性肺血管收缩是指() A.肺泡低氧引起的肺小静脉收缩 B.肺泡高二氧化碳引起

题型:单项选择题

题目:

低氧性肺血管收缩是指()

A.肺泡低氧引起的肺小静脉收缩

B.肺泡高二氧化碳引起的肺动脉收缩

C.肺泡高二氧化碳引起的肺静脉收缩

D.肺泡低氧引起的肺小动脉收缩

E.肺泡低氧引起的肺支气管收缩

答案:

参考答案:D

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题型:听力题

单词拼写 (共5小题, 每小题1分, 满分5分)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

根据句子的意思和括号里的中文提示,写出下列的单词。

61. According to the plan, three ____ (申请人) will hand in their forms after they register. 

62. I did what I could to make our guests _____ (舒服的).

63.There are many ____ (目击者) who saw the fighting right on spot.     

64. It is ____ (非法的) for anyone to sell or buy marijuana (大麻) in our country.

65. China is a country with a long history of ____ (文明).    

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