汽轮机是利用()的热能来做功的旋转式原动机。
参考答案:蒸汽
—Here are three books on history. Which one would you like to borrow?
—________. You see, I'm interested in geography these days. [ ]
A. All
B. None
C. Both
D. Each
下列确诊DIC的化验值,哪项是错误的( )
A.血小板<7万/mm3 B.纤维蛋白原<0.125gC.凝血酶原时间比对照组超过2~3秒 D.凝血时间超过10分钟E.部分凝血激酶时间比对照组超过10秒以上