今年10月份李明家用电131度,王强家用电120度,王强家少缴电费5.5元.平均每度电多少元?
5.5÷(131-120),
=5.5÷11,
=0.5(元).
答:平均每度电0.5元.
半月板损伤的主要临床表现有
A.膝关节疼痛
B.膝部弹响
C.膝部交锁征
D.股四头肌萎缩
E.挺髌试验阳性
—Hello! May I speak to Lily, please?—_____,I’ll go and get her.
A.Speaking
B.Hurry up
C.I don't think so
D.Hold on, please