蒸汽喷射泵对水、蒸汽都有（）。
参考答案：严格要求
Spelling Bee is a contest ________ competitors, usually children, are asked to spell as many words as possible.
A．which
B．where
C．what
D．when
桡神经支配（）。
A.三角肌
B.肱三头肌
C.小腿肌外侧群
D.小腿肌前群
E.小腿三头肌
