— __________?
— He wants to join the swimming club.
A:What can he do
B:What club does he want to join
C:What does he like
D:Where can he swim
人体发育是从一个细胞开始的,这个细胞就是( )
﹣ 223 ﹣|﹣1|2017﹣(π﹣3.14)0+4cos60°
=﹣ 49 +1﹣1+4× 32 .
①间接性 ②概括性 ③先进性 ④趣味性