征免（）。
A．照章征税
B．全免
C．许可证
D．减免
参考答案：B
下列说法不正确的是 [ ]
A.两直线平行，同位角相等
B.两点之间直线最短
C.对顶角相等
D.半圆所对的圆周角是直角
Half of the students in our class _____ interested in reading English stories. [ ]
A. is
B. are
C. have
D. has
