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【单选题】
某单位电话报告有人“煤气中毒”,医务人员赶到现场,首先要做的是:A.
向现场人员了解事情经过
B.
将中毒者搬离现场,到通风处,解开领扣
C.
保护现场,等待公安人员到场侦察
D.
测量血压 听诊心脏
E.
现场心肺复苏
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皮皮学刷刷变学霸
举一反三
【单选题】What's this passage mainly about?
A.
The internal structure shows how ancient trees grew.
B.
The CO2 lever exerts impact on the leaves of ancient tress.
C.
Analysis of ancient fossils paint picture of the Earth's earliest trees.
D.
The ancient trees have no leaves and few branches.
【简答题】(London)If it really is what's on the inside that counts, then a lot of thin people might be in trouble. Some doctors now think that the internal fat surrounding important organs like the heart or li...
【简答题】下列存在搭便车问题的物品是（ ）。
【多选题】What's the common point between the original system and the primary system?【图片】
A.
External loads
B.
Displacement at each point and each cross-section
C.
Internal forces distribution
D.
Reaction forces
【单选题】What's wrong with the account of calm breathing?
A.
The external intercostal muscles contract during inhalation
B.
the internal intercostal muscles contract during exhalation
C.
the thorax returns naturally during exhalation
D.
inhalation is an active process
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