读句子,判断正(T)误(F)
( )1. —Is the elephant bigger than the mouse?
—Yes,it is.
( )2.—Is the summer hotter than the winter?
—No, it isn’t.
( )3. Beijing is smaller than Jinan.
( )4. The Changjiang River is longer than the Yellow River.
( )5. Xiaoqiang is one year old. He is taller than his mother.