G3BTSMEDI架可支持多少个cell()。
A.1
B.2
C.3
D.4
参考答案:A, B, C
I won’t believe that the five-year-old boy can read magazines ____ I test him myself.
A.if
B.when
C.after
D.until
人向竖直的平面镜走近时,镜中所成的像( )。
A.缩小 B.变大 C.大小不变 D.先小后大