皮皮学，免费搜题
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【单选题】
设某人潮气量为 500ml ,无效腔容量为150ml ,呼吸频率为12 次/ 分钟,心输出量为5L/min ,其通气/ 血流比值A.
1.2
B.
0.6
C.
0.84
D.
1.8
E.
3.0
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】Acupuncture means insertion of needles into superficial structures of the body.
A.
正确
B.
错误
【单选题】In this passage, the word 'press' (Para. 2) means ________
A.
a machine for printing
B.
the business of printing
C.
great force
D.
newspapers
【单选题】As ordinary people, scientists are by no means more honest or ______ than other people, but as scientists, they attach special value to honesty while they are in their working sphere.
A.
ethical
B.
ethnic
C.
aesthetic
D.
esthetic
【判断题】Acupuncture means insertion of needles into superficial structures of the body.
A.
正确
B.
错误
【简答题】2016年2月1日，我国成立了()战区。
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