9.953保留一位小数约是（ ）
A．9.95
B．9.9
C．10.0
D．10.5
9.953≈10.0；
故选：C．
Today __________ February fifteenth. Yesterday __________ February fourteenth.[ ]
A. is, was
B. was, is
C. do, did
D. did, do
耐药金黄色葡萄球菌所致感染
A．羧苄西林+庆大霉素B．苯唑西林C．青霉素G+磺胺嘧啶D．红霉素
