A：北极点
B：南极点
C：赤道上
D：本初子午线上
计算 10110（2）+1010（2）．
天气预报中说的气温是指____。
以下海域属于我国内海的是（ ）
补全下面的短文。
A．teacher B．man C．girl D．father E．woman
Look!This is my family．The old____is my grandpa．And this is my____．He is a teacher．The____in red is my mother．She is a____，too．Who's that____? Guess! Haha，it's me．
