In the writer's opinion, students can't remember words because _______.
A:they have memory problems
B:they are too worried
C:they don't use a proper way
D:they don't like to study
亚洲的喜马拉雅山脉是由哪两个板块碰撞挤压,隆起而成的?( )
①亚欧板块 ②美洲板块 ③非洲板块 ④印度洋板块.
当心情不舒畅时,你可以选个春光明媚的日子去登山,感受“一览众山小”的豪迈;也可以去游湖,领略碧波绿水的清凉。这种调节情绪的方法是( )