西安事变能够和平解决的关键是( )
A:蒋介石的配合
B:张学良、杨虎城的要求
C:中共的努力
D:人民的呼声
After the clothes were dry outside, she them and put them in her suitcase.
下列行为体现了可持续发展战略的有( )
①围湖造田 ②对垃圾进行分类,回收利用
③发展生态农业 ④禁止开发非可再生资源