搜题请搜索小程序“爱下问搜题”
问题 选择题

在空气中，氮气所占的体积分数大约是（　　）

A．

B．

C．

D．

答案

答案：C

题目分析：空气的成分按体积计算，大约是：氮气占78%，即；

故选C．

点评：本题很简单，熟记空气的成分及各成分的体积分数是解答此类题的关健．

听力题

单词拼写（共10小题，每小题1分，共10分）

小题1:There are several thousand ______(物种) of wild animals here.

小题2:It's strange that adult elephants seldom a______(企图，试图) to break the chain while young ones always do.  

小题3:The instructions on the bottle are really ______ (令人迷惑的), which I can't       understand at all.  

小题4:You might want to consider ______(暂时的) work until you decide what you want to do. 

小题5:Winning the Noble Prize made Mo Yan really popular and now his books are ______ (可得的) in almost every book store.

小题6:The crowd ______ (惊慌失措) at the sound of the guns and ran in all directions.

小题7:Football players of Guangzhou Evergrande held a big party in ______ (庆祝) of the    winning of the AFC Champions League against South Korea's FC Seoul.

小题8:______ (自然地) enough, she wanted her child to grow up healthily.

小题9:She is not only my dinner ______(伙伴) but also my best friend.    

小题10:This article gives a detailed ______(记述，叙述) of the divorce of Faye Wong and Li Yapeng.  
查看答案
单项选择题

女，24岁，多饮、多食10年，空腹血糖经常大于10.8mmol/L。近2个月来眼睑及下肢轻度水肿，血压160／100mmHg，尿蛋白（++）。最可能的诊断为（）

A.高血压病

B.糖尿病肾病

C.糖尿病合并肾盂肾炎

D.糖尿病合并膀胱炎

E.糖尿病合并心功能不全
查看答案