重点讲解：
1. give access to
允许进入；允许访问；
eg. The Certificates of the technical schools give access to the entrance examinations at the relevant faculties and colleges.
技术学校的文凭提供了参加相关系和大学入学考试的权利。
eg. It provides mechanisms to give access to exporters to exchange for the purchase of intermediate inputs.
它提供一种机制使出口商取得外汇来购买中间投入物。
2. be guaranteed to do sth.
有保证的；确定的；
eg. It is research that is guaranteed to delight men - and infuriate the women in their lives.
这项研究结果一定会让男人高兴，惹女人生气。
eg. unters who specialize in survival are not guaranteed to survive.
专精生存技能的猎人并不见得就一定能生存下来。
3. be saturated with
充分浸透了；处于饱和状态；充满着；
eg. The air was saturated with the perfume of the flowers.
空气中充满着花的芬芳。
eg. He is saturated with knowledge.
他知识渊博。