（）旋流器的底流口直径旋流器内部卸压速度变慢。
A.减少
B.增加
C.不变
参考答案：A
8032单片机的字长是（）位。
A.32
B.16
C.8
D.4
—What do you think of the concert —I really enjoy it. I didn't expect it was ______ wonderful.
A. as B. moreC. most D. very
