矩形横截面试样过渡弧形半径应()。
A、≥16mm
B、≥14mm
C、≥12mm
D、≥10mm
参考答案:C
There is much chance _____ Bill will recover from his injury in time for the race. [ ]
A. that
B. which
C. until
D. if
肌张力低下表现为()
A.蛙位姿势
B.角弓反张
C.尖足
D.非对称性姿势
E.上肢硬性伸展