除数比1小比0大，商一定大于被除数．______．
当被除数是0时，商也是；
如：0÷0.5=0；
0÷0.879=0；
此时被除数与商相等．
故答案为：×．
―________ you _________ the chief editor at the airport?
―No. He _______ away before my arrival.
A．Have; met; has driven
B．Had; met; was driven
C．Did; meet; had been driven
D．Have; met; was driven
诊断原发性肝癌常用肿瘤标志物的最佳组合是（）。
A.AFP、γ-GTⅡ、ALP
B.AFP、γ-GT、GST
C.γ-GTⅡ、AⅢ、GST
D.AFP、γ-GT、TPS
E.AFP、CA199、NSE
