有机防水涂料抽检时，按每（）为一批。
A.1吨
B.2吨
C.3吨
D.5吨
参考答案：D
— is it from your home to the cinema, Mike?
— It is only about ten minutes’ walk.
A．How far
B．How long
C．How soon
D．How often
交响乐在古典主义时期被发展为（）个乐章。
A.3
B.4
C.5
D.6
