股肿最大危险是:()
A.局部疼痛
B.发热
C.肺栓塞
D.水肿
E.患肢增粗
参考答案:C
The boy students are playing football on the p______.
设a="Microsoft Visual Basic",则以下使变量b的值为"Visual Basic"的语句是
A.b=Left(a,10)
B.b=Mid(a,10)
C.b=Right(a,10)
D.b=Mid(a,11,10)