2022新人教版（2019）《高中英语》必修第二册Unit 4 单词精讲(ppt课件).pptx

1、单词精讲单词精讲Unit 41.puzzle n.谜;智力游戏;疑问vt.迷惑;使困惑The firemen were puzzled about the cause of the fire.To be honest,I sometimes feel puzzled about my future career.【温馨提示】过去分词形式的形容词,如puzzled,confused,frightened,excited,surprised等,除了可以用来描述人的心理活动以外,还可以用来修饰与人有关的一些名词,如look,voice,smile,expression,face等。2.break a

2、way from 脱离;背叛;逃脱Close the door and windows carefully to prevent some strangers breaking into your house.3.defence n.防御;保卫4.surround vt.围绕;包围The teacher sat on the grass,surrounded with/by his students.The boy grew up in beautiful surroundings but not in a happy home environment.5.surround vt.围绕;包围6

3、.evidence n证据；证明；根据7.achievement n成就；成绩；达到8.charge n.收费;指控;主管vt.收费;控告;充电We can deliver goods to your door free of charge.A week later,I volunteered to take charge of English study in my class.9.announce vt.宣布;通知;声称10.amount n.金额;数量Although the job takes a significant amount of time,most students agr

4、ee that the experience is worth it.Lots of students in our class spend a large amount of time doinghomework.【温馨提示】“a huge amount of+不可数名词”作主语时,谓语动词用单数形式;“huge amounts of+不可数名词”作主语时,谓语动词用复数形式。A huge amount of money was spent on the new bridge last year.=Huge amounts of money were spent on the new bri

5、dge last year.11.approach n.方法;途径;接近 vt.接近;接洽;着手处理vi.临近12.eager adj.热切的;渴望的13.roll vi&vt.翻滚，滚动 n.卷，翻滚14.greet vt.问候;迎接She greeted the guests with a warm smile.My mother sends her greetings to you all.He looked at Livy and Mark,who had risen to greet him.He greeted all the guests warmly as they arrived.15.crowd n.人群，一群人，民众 vt.挤满谢谢观赏谢谢观赏Unit 4