肾肿瘤CDFI特点()①无血流型②丰富血流型③星点状血流型④少血流型⑤抱球型
A．①
B．②③④⑤
C．②⑤
D．③④
E．①②③④⑤
参考答案：B
The question is very _____, she can answer it _____. [ ]
A. easy, easy
B. easily, easily
C. easy, easily
D. easily, easy
加压式长筒取心工具的接单根专用装置是（）接头。
A.加压
B.悬挂
C.滑动
D.配合
