以下说法中,不属于本振要求的是()。
A、容易受控
B、容易起振
C、输出波形好
D、稳定可靠
参考答案:B
---Did you use to be afraid of the dark?
--- _________. And I’m still afraid of the dark now.
A.Yes,I did.
B.No, I didn’t
C.Yes,I didn’t
D.No,I did.
以下哪一项完全断裂后,可不一定行手术修复?()
A.胫侧副韧带损伤
B.腓侧副韧带损伤
C.前交叉韧带损伤
D.后交叉韧带损伤
E.髌韧带断裂