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