下列不属于食品卫生检验采样原则的是（）。
A.代表性
B.典型性
C.适时性
D.常规性
E.按程序操作
参考答案：D
___ Internet is playing _______ more and more important part in our daily life. [ ]
A. The;/
B. The ;a
C. /;/
D. An; a
—______ your father have a car?
—Yes, he ______.[ ]
A. Does; do
B. Do; does
C. Does; does
D. Do; do
