白棕绳在潮湿状态下使用时,其允许拉力()。
A.不变
B.减少90%
C.减少80%
D.减少50%
参考答案:D
皮下出血面积的直径多大称为淤斑()。
A.<2mm
B.2~3mm
C.3~5mm
D.>5mm
E.以上均可
The police ___ him of stealing a car and put him into prison.
A.warned
B.charged
C.accused
D.threatened