水流流经混流式水轮机转轮时,水流是()。
A.轴向流入、轴向流出
B.径向流入,轴向流出
C.径向流入,径向流出
D.轴向流入、径向流出
参考答案:B
Tony showed me his new cell phone, _______ was small but it could change colors in different weather.
A.the screen of whom
B.whom the screen of
C.which the screen of
D.the screen of which
人类免疫缺陷病毒可以引起的周围神经病变类型为()
A.远端对称性多发性神经病
B.多数性单神经病和神经节神经炎
C.慢性炎症性脱髓鞘性多发性神经病
D.感觉性共济失调性神经病
E.进行性多发性神经根神经病