汽轮机的滑销系统主要由立销、纵销、横销、角销、斜销、猫爪销等组成。
参考答案：对
_____________ made Jim most excited was, I think, ____________ he had passed all the exams.
A．That, what
B．What, which
C．That, which
D．What, that
有助于诊断的实验室检查是
A．血电解质检查
B．血清CK-MB
C．大便病毒分离
D．血液病毒分离
E．血培养
