8. have … to do with … 与……有关；与……有牵连

The letter has to do with Bill's plans for the holiday.
这封信和比尔的度假计划有关。
I had nothing to do with the traffic accident.
我和交通事故没有任何关系。

9. study [ `stQdi ] vt.

(1) learn 学习
He is studying the law at Peking University now.
He is studying the rules of English grammar very hard.

(2) do research into... 研究，调查
The city government has called up a number of experts to study the
problem of air pollution, but no effective way has been produced so far to solve the problem.
市政府召集了许多专家来研究大气污染的问题，但到目前为止，还没找到有效的解决办法。
The doctor studied the shape of his wound carefully.
医生仔细研究了他伤口的形状。

10. activate [ Akti`veit ] vt. 使活动起来，使开始起作用

The union should be activated to improve working conditions.
应该发挥工会的作用来改善工作条件。
Students' enthusiasm should be fully activated to learn English.
应该调动学生学英语的积极性。

11. benefit [ `benifit ]

(1) n. an advantage or profit gained from something 好处，益处
Once you join the club, you can enjoy the benefits of being a member.
一旦你加入了此俱乐部，你就能享受成员优惠。
Even though he knows the benefits of taking morning exercises well, he can't get up early to take morning exercises.
他很清楚晨练的好处，但他就是无法早起。

(2) vt. bring advantage to... 有益于……，对……有好处
The reforms will benefit working families.
Drinking enough water benefits your health.

(3) vi. receive an advantage, profit 得益，得到好处 (by, from)
The bank suffers while its officers benefit.
银行受损失了，而其职员却获利了。
The employees often complain because they cannot benefit from extra work.
雇员们经常抱怨，因为他们加班却没获利。

12. owe [ [u ]

(1) vi. 欠钱
He still owes for his house.
因为房子他还在欠债。
owe it to oneself to do sth. 认为自己应该(有必要)做某事
We owe it to ourselves to explain how it happened.
我们自己有必要解释一下那是怎么发生的。
He has owed it to himself for a long while to do some serious reading.
他早就认为自己应该认真读点书了。

(2) vt. (owe …to …) 把……归功于……
She owes her success to hard work.
I owe my life to you.
全亏你我才能活下来。