关于影响肺换气的因素的叙述错误的是A.气体扩散速率与呼吸膜厚度成反比B.气体扩散速率与呼吸膜面
关于影响肺换气的因素的叙述错误的是
A.气体扩散速率与呼吸膜厚度成反比
B.气体扩散速率与呼吸膜面积成正比
C.气体扩散速率与温度成正比
D.通气/血流比值减小不利于换气
E.通气/血流比值增大有利于换气
关于影响肺换气的因素的叙述错误的是
A.气体扩散速率与呼吸膜厚度成反比
B.气体扩散速率与呼吸膜面积成正比
C.气体扩散速率与温度成正比
D.通气/血流比值减小不利于换气
E.通气/血流比值增大有利于换气
第1题
After a long walk, she was too tired to go any (far) ______.
第2题
After the long walk, they felt______, but I felt______.
A.not a bit tiring; not a little tiring
B.not a little tired; not a bit tired
C.no little tired; not bit tired
D.not a little tiring; not a bit tiring
第3题
A.everyone
B.none
C.neither
D.either
第5题
They were all very tired, but______of them would stop to take a rest.
A.either
B.none
C.some
D.any
第6题
Why did Mr. Bell feel very tired after returning home?
A.He visited too many places in a hurry.
B.His holiday was not long enough for him to travel in Europe.
C.He was on the train or on a bus all day long during his holiday.
第7题
They were all very tired, but ______ of them could stop to take a rest.
A.any
B.none
C.some
D.neither
第8题
They were all very tired, but ______ of them would stop to take a rest.
A.any
B.some
C.none
D.neither
第9题
They were all very tired, but______of them would stop to take a rest.
A.any
B.some
C.none
D.neither
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