炮制品中杂质和药屑一般不得超过（）。
A.0.5～1％
B.1～3％
C.2～3％
D.4～5％
E.3～6％
参考答案：B
I had only a few _____________ with Miss Gao, though we work in the same school.
A．laughter
B．handshakes
C．amusement
D．contacts
I have apples than you. [ ]
A. much more
B. more many
C. much most
D. most many
