具有囊内韧带的关节是（）
A．肩关节
B．肘关节
C．拇指腕掌关节
D．膝关节
E．踝关节
参考答案：D
To turn off my cell phone before going to bed seems to be a rule . [ ]
A. to never break
B. never to have broken
C. never to be broken
D. never to be breaking
1151系列压力变送器（）分为放大板和刻度板
A、敏感元件
B、δ室
C、电子线路板
D、法兰
