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【判断题】
凡是缺O2都可有PaO2↓和血氧含量↓。A.
正确
B.
错误
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【单选题】When he was young, Peter Schwartz was very interested in the movement of social change.
A.
Y
B.
N
C.
NG
【简答题】Bicycles are very 1 with Chinese people. Bike riding is very good for your health. 2 , it’s good for your heart. Riding bikes fast can make your heart 3 . Second, learning 4 a bike can also improve yo...
【单选题】X: Mark is a very talented storyteller.
A.
Yes, he is. That was a great story.
B.
Yes, he is. That wasn't a very good story.
【简答题】任务型阅读。 In the United States, it is not usual to telephone someone very early in the morning. If you telephone him early in the day, while he is taking a shower or having breakfast, the time of the ca...
【单选题】Scarcely______those words when suddenly the monster was transformed into a very handsome youth.
A.
had he uttered
B.
did he utter
C.
he had uttered
D.
he did utter
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