check：核对、核查，以了解结果与标准是否一致。

　　e.g. Please check your answers before turn in your papers.

I have checked the car and found nothing wrong.

11. pay：n. 薪资

e.g. This is your pay this week.

vt. 支付 pay (sb.) money for (doing) sth.

e.g. Have you paid (money) for the book?

I paid him 50 yuan for helping me with my work.

pay的常用短语：

　pay back：偿还： e.g. When will you pay my money back?

　pay for：付......的款 e.g. Help me and I'll pay for it.

　pay off：全部还清、得到报偿 e.g. I paid off all the money last week.

　　 I feel all my work has been paid off.

　pay up：付清、缴清 e.g. You can pay up my money in three months.

区分pay、 spend、 cost、 take的用法。

pay：主语是"人"

spend：主语是"人"，常用：spend time/ money on sth. /( in) doing sth.

cost：主语是"物"，常用：(Doing) sth. cost sb. sth. (money/ time / energy....)

e.g. The pen cost him 100 yuan

The boy's illness cost the mother many sleepless nights.

Careless driving cost him a leg.

take：主语通常是"物"，常用句式：

　　　(Doing) sth. take sb. time 或：It take (sb.) time to do sth.

e.g. It took us about eight hours to repair the broken car.

The bridge took the workers two years to complete.

12. compare: compare A with B

compare A to B

Compared with A, B is....

13. express: （以语言、表情）表达......、叙述......

express one's ideas / one's disappointment / one's love of / one's thanks to / oneself in...

adj. 快的、直达的 an express letter / an express train

n. 快车、直达车 He came by express.

expression: 表达的词句、表情

14. organize: 组织......、整理......

organize a football team / organize a party / organize an adventure / organize one's notes

organize medical reports ...

organized：有组织的 This is an organized meeting.

organizer, organization

15. base: n. 基地、基础

vt. base A on B A is based on B； A based on B

basic基本的、基础的

16. contact：n. 接触、交往，与with连用。

be in contact with：与......有来往、有联系

e.g. He is still in contact with his former wife.