有关手术后早期活动,下列哪一项是错误的
A.改善血液循环
B.避免腹胀及尿潴留
C.可影响切口愈合
D.减少肺部并发症
E.防止下肢静脉血栓形成
参考答案:C
I have always been honest and straightforward , and it doesn't matter_______I'm talking to.
A.Who is it
B.who it is
C.it is who
D.it is whom
示波器(AT7328)SEC/DIV指向0.5MS表示横向每格为()