健美操的锻炼过程?
参考答案:
热身练习、基本练习、过渡练习、力量练习、放松练习
A.由是/则生而有不用也 B.杀所不足/而争所有余 C.环而攻之/而不胜 D.安知/我不知鱼之乐
There are no apples ______ the tree but there’re some birds _____ it.
A.in; on
B.on; on
C.in; in
D.on; in