储运过程有三种损耗即（）、（）、蒸发损耗。
参考答案：漏耗；混油
最能提示急性心肌梗死的心电图表现是
A．P-R间期延长B．Q波＞0.04秒C．S-T弓背向上抬高D．T波倒置E．Q-T间期延长
___ great the demand to succeed, one should never abandon his moral and social consciousness.
A．Now that
B．As if
C．Although
D．However
