7.service

　　① 服务(n.) The food is good at the hotel,but the service is poor.

　　②公用事业的业务或工作状态(n.) a bus/train service

　　8.since:

　　① 自从……(以来)I have worked in the company since I graduated from college.

　　② 既然 Since you like the car,why don`t you buy it?

　　9.suggest (熟义：v. 建议，提议 ) v. 暗示，表明

　　His cool response suggested that he didn’t like the idea. 他反应冷淡表明他并不喜欢这个主意。

　　10.stage:

　　① 舞台(n.) be/go on the stage 登台表演

　　② 阶段(n.) at an early stage in our history 在我们历史发展的早期

　　11.spare:

　　① 业余的(adj.) I collect stamps in my spare time.

　　② 多余的(adj.)I have no spare money this month.

　　③ 拨出，匀出(vt.) Can you spare me some time?

　　④ 过剩，有余(vt.) spare no effort to do sth 不遗余力做某事

　　12.stand:

　　① 站 (vi) She stood there for two hours.

　　② 忍受(vt.) I can`t stand you.

　　③ 架(n.) a hat/coat stand

　　④ 摊(n.) a market stand

　　13.still

　　① 仍然、还(adv.) He is still a child,don`t scold him too much.

　　② 静的，不动的(adj.)Please keep still while I take your photograph.

　　14.sign:

　　① 符号、招牌(n.) Can you see that traffic sign?it says “Slow down.”

　　② 签名、签字(vt.) Sign your name here.

　　15.study:

　　① 学习,研究 (n.) The little boy is fond of study.

　　② 学习，研究vt..) I am studying how to swim.

　　16.should:

　　① 应该 You should clean your classroom every day.

　　② 竟然 I can`t believe that he should speak to his parents like that.

　　17.spring:

　　① 春天(n.) The weather is warm in spring.

　　②泉水(n.) a hot spring 温泉

　　18.sense:

　　① 感觉 (n.) The blind have a keen sense of hearing.

　　② 意识 (n.) comman sense

　　19.some:

　　① 一些 Give me some paper,please.

　　② 某一 (在单数可数名词之前)Some Mr.Smith is waiting for you.

　　20.support:

　　① 支持(vt./n.) The chair can`t suport you two---you are too heavy.

　　② 赡养(vt.) He has a big family to suport.

　　21.strike (struck、struck)

　　① 打、击、敲(vt.) The stone struck me on the head.

　　② 袭击、攻击(vt.) A heavy storm struck the village.

　　③ 罢工(n.) a strike by bus drivers be/go on strike 举行罢工

　　22.state:

　　① 国家、州(n.) There are fifty states in America.

　　② 状态 (n.) The old man is in a poor state of health.

　　③ 陈述、阐述(vt.)He stated his view the medicine could be used in curing cancer.