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【单选题】
I型与II型呼吸衰竭最主要的区别是A.
动脉血氧分压
B.
肺泡气氧分压
C.
静脉血氧分压
D.
动脉血二氧化碳分压
E.
静脉血二氧化碳分压
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反馈参考答案：
举一反三
【简答题】Time is ____by hour, minute and second.
【简答题】简述并行工程的效果。
【单选题】Car sharing is a model of car rental where people rent cars for_____ periods of time, often by the hour.
A.
short
B.
long
【单选题】However, by looking at salaries against taxation, the cost of living and regional variations . we can see how much an hour of our time is worth whether at work or home.
A.
v arieties
B.
variables
C.
mutations
D.
differences
【单选题】Car sharing is a model of car rental where people rent cars for_____ periods of time, often by the hour.
A.
short
B.
long
C.
permanent
D.
always
【单选题】Woman: How soon can we reach the airport? Man: We’re now running at 100 kilometres an hour, and the airport is 150 kilometres ahead, so... Woman: So we can get there by 10, in time to catch the 11...
A.
About 8:00.
B.
About 8:30.
C.
About 9:00.
D.
About 10:00.
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