导致肿瘤患者死亡的因素有哪些?

麻疹的出疹在发热后的（）。

A.当天

B.1～2天

C.2～3天

D.3～4天

E.7～10天

He expressed his hope ____ he would visit China again the next year, and this was the very hope ____ he expressed as soon as he arrived in the country.

A．that; that

B．which; which

C．that; which

D．which; that

井下配电网路的过流，短路保护装置的可靠动作系数用（）校验。

A.最大三相短路电流

B.最小三相短路电流

C.最大两相短路

D.最小两相短路电流

透平压缩机常见的联锁有哪些？