下列属于最清洁燃料的是( )
A:煤
B:石油
C:氢气
D:天然气
⑴How old are you?____ A. She's fine.
⑵How is she?____ B. I'm eleven years old.
⑶How much is the fan?____ C. I have ten.
⑷How many pens do you have?____ D. It's ten yuan.
⑸How beautiful!____ E. Thank you.
银杏种子外有肉质的果皮,所以属于被子植物.(判断对错)
有一个有理数,它同时满足下列所有的条件:①它是一个整数;②它在数轴上表示的点位于原点左边;③它的绝对值小于2.那这个数可能是( ).