【名词&注释】
临床表现(clinical manifestation)、急性心肌梗塞(acute myocardial infarction)
[判断题]急性心肌梗塞的临床表现是缓慢的胸骨后隐痛。
查看答案&解析
举一反三：
[单选题]When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for work
A. remains the same
B. is reduced
C. is increased
D. is eliminated
[单选题]In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.
A. secure all sources of fresh air to the tank
B. begin transferring the fuel to other tanks
C. top off the tank to force out all vapors
D. station someone at the fixed CO2 release controls
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