单选题：These are defensive behavior patterns which derive from our

题目内容：

These are defensive behavior patterns which derive from our fears. A．stem
B．rely
C．develop
D．grow

参考答案：

答案解析：

Teenagers have a close relationship with their mobile phones

Teenagers have a close relationship with their mobile phones partly because they

分类：理工类题型：单选题

A Very Slow Ride　　The surface of the earth may seem very stable to you.But you m

分类：理工类题型：单选题

Robinson taught children to use“mental journeys”to improve ____.

分类：理工类题型：单选题

They are concerned for the fate of the forest and the lndians who dwell in it.A．

分类：理工类题型：单选题

资本主义被社会主义所取代是一个充满着复杂的矛盾和斗争的历史过程，其原因有( )。A．资本主义基本矛盾运动的复杂性和曲折性，决定了社会主义取代资本主义是一个长期

分类：理工类题型：单选题