地形图的图式符号有（）。
A.比例符号；
B.非比例符号；
C.等高线注记符号；
D.测图比例尺。
参考答案：A, B, C, D
最外层电子排布为3s23p3的原子，核外电子占有的原子轨道数目为（ ）
A．4
B．7
C．5
D．9
—I hear Huang Gang made an English speak at the graduation ceremony yesterday.
--_______, and _______.
A．So did he, so I did
B．So he did, so did I
C．So was he , so was I
D．So did he , so did I
