Topic 2 词汇总结 .ppt

Topic 2,All these problems are very serious,“据说”,1. It says that… It is reported that… 据报道It is well known that…众所周知It is believed that…人们相信 It says in the newspaper that pollution is still a serious problem.It is said that he will go abroad soon.,,It is reported that we should eat healthy food. It is well known that he is a famous doctor.It is believed that the couple have left the country.,None “没有一个”,None, no one, nobody1. none 即指人，也可指物None 后常接of短语构成 none of+名词/代词结构谓语动词用单复数形式均可None of my friends has/have been there.,,No one, nobody 只能指人，不能指物。

在口语中， nobody比no one 更常用 No one ， nobody 不能接of短语 No one, nobody作主语时，谓语动词用单数形式 如：Nobody/no one has been there.,,在简略答语中，no one用来回答who引导的问句，而none则用来回答how many或 how much引导的问句Nobody 相当于no one, 两者可与else连用，而none则不可以如：No one/ nobody else knows about that.,Come to 想到，意识到,The good idea comes to him in a flash.Come to 还有“（数量）总计，总共” 的意思That comes to $23.5, madam.,Chang…into= turn…into…把...变成,Heat changes water into steam= Heat turns water into steam. I have to wait for the traffic lights to change/turn into green.,Stop/ prevent …from doing sth. 阻止…做某事。

We should stop/prevent humans from destroying the environment.,Save “贮存，保留”,We’ll eat some now and save some for tomorrow. Save sb sth= save sth for sbWill you save me a seat on the bus?“拯救”He saved his friend from drowning.,Take up 占据，占用,The table takes up too much room.I won’t take up any more of your time.,Deal with sb/sth 对付某人、处理某事,I spent the morning dealing with my e-mails. She is used to dealing with all kinds of people.,。