关于诊断休克的标准,下列哪项是错误的()
A.四肢湿冷
B.收缩压<90mmHg
C.尿量<30ml/h
D.脉压<20mmHg
E.脉搏<90次/分
参考答案:E
体育组要买6副乒乓球牌,每副5元2角6分,老师付给营业员40元,应找回多少钱?
I couldn’t _______.The line was busy.
A.go by
B.go around
C.get in
D.get through