主要组成为手柄、调节螺圈、牙板和钳头（活动板口）的手工具是（）。
A.手钳
B.活动扳手
C.管钳
D.定尺寸扳手
参考答案：C
There isn't ___________ in today's newspaper. [ ]
A. something interesting
B. interesting anything
C. interesting something
D. anything interesting
具有典型Whipple三联征的疾病是（）.
A.胰岛素瘤
B.胃泌素瘤
C.肠肽瘤
D.高血糖素瘤
E.长生抑素瘤
