1.exposed to 接触

例句：These units exposed children to many viewpoints of a given issue.

这些单元让孩子们接触到有关某一特定问题的多种观点z5v|N[]kHDcm;;x5]J+L。

2.coincide with 相符

例句：He gave great encouragement to his students, especially if their passions happened to coincide with his own.

他给予学生莫大的鼓励，尤其是当他们与自己志趣相投时1!(YCKUW1#^]N6lu。

3.base on 在……基础上

例句：Fluctuating prices usually base on a fickle public's demand.

物价的波动往往是由于群众需求的不稳定而引起的.

4.lead to 导致

例句：In given conditions, a bad thing can lead to good results.

在一定条件下, 一件坏事可以导致好的结果%LA(C|yciUoR_d5WfV8E。