肾区叩击痛见于()
A.肾炎
B.肾结石
C.肾结核
D.肾盂肾炎
E.肾周围炎
参考答案:A, B, C, D, E
At first he didn’t mean _______ part, but he couldn’t resist ______a try.
A.to take ,having
B. taking, to have
C.to take, to have
D.taking, having
ITU-T建议中规定了光监控信道(OSC)的速率和编码为()。
A.2Mbit/s
B.8Mbit/s
C.CMI编码
D.HDB3编码