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【简答题】
如果B2=2、B3=1、B4=3、B5=6, 则=SUM(B2:B4,B5)/B2的结果是_________。
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参考答案:
举一反三
【多选题】关于影响肺换气的因素,错误的是
A.
通气∕血流比值减小不利于换气
B.
气体扩散速率与呼吸膜厚度呈正比
C.
气体扩散速率与呼吸膜厚度呈反比
D.
通气∕血流比值增大有利于换气
E.
气体扩散速率与气体的分压差高低有关
【单选题】听力原文:In my opinion, the house isn't worth the price they're asking. What does the speaker suggest?
A.
The house is not worth buying.
B.
The cost of the house is low.
C.
The price of the house is not too high.
D.
The price of the house is worth it.
【简答题】听力原文:In order to improve our speaking, what should we do? In order to improve our speaking, what should we do? We should ______ to our classmates and English teachers daily.
【判断题】整流电路是把正弦交流电变换成脉动直流电的电路。
A.
正确
B.
错误
【单选题】关于影响肺换气的因素,错误的是
A.
气体扩散速率与呼吸膜厚度成反比
B.
扩散速率与呼吸膜面积成正比
C.
通气/血流比值增大有利于肺换气
D.
通气/血流比值减小不利于肺换气
E.
扩散速率与温度成正比
【单选题】What did your class teacher ________you to _______at the  meeting?
A.
tell, say
B.
ask, speak
C.
tell, speak
D.
ask, talk
【简答题】听力原文:Q: What has to be imported? What has to be imported?
【单选题】把交流电变成直流电的是()。
A.
逆变电路
B.
整流电路
C.
斩波电路
【单选题】关于影响肺换气的因素,错误的是
A.
通气∕血流比值增大有利于换气
B.
气体扩散速率与呼吸膜厚度呈反比
C.
气体扩散速率与呼吸膜面积呈正比
D.
通气∕血流比值减小不利于换气
E.
气体扩散速率与气体的分压差高低有关
【单选题】Listen to the two girls!What language________? [     ]
A.
did they speak
B.
were they speaking
C.
are they speaking
D.
have they been speaking
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