Unit 1 Discover useful structures知识点讲练ppt课件-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Section CDiscovering Useful Structures&Listening and Talking 必修一必修一 Unit 1 Discover Useful Structure 知识点讲练知识点讲练 重点词汇 1.n.盘子;碟子 2.n.冒险;奇遇3.n.专家;行家adj.熟练的;内行的;专家的4.n.青年时期;青春plateadventureexpertyouth重点短语1.try out 2.practice doing sth 3.make a fire 4.from all over the world 5.have fun 试验;选拔 练习做某事生火 来自世界

2、各地玩得开心重点词汇1.Yesterday,I tried out for the team.昨天,我参加了啦啦队的选拔。【词汇精讲】try out for是动词短语,表示“参加选拔”,尤指运动、比赛或者角色甄选。【词汇拓展】try out 试验;选拔try on试穿try ones best竭尽全力;尽力try ones hand at sth初试身手完成句子(1)他们参加了篮球队的选拔赛。They the basketball team.(2)无论你做什么,都要尽力而为。Whatever you do,.(3)衣服和鞋要试穿以确保它们合适。to make sure they fit.tri

3、ed out for try your bestTry on clothes and shoes2.Adventure Camp探险营【词汇精讲】在本句中adventure是名词,意为“探险”;作名词时,adventure还有“冒险;奇遇”之意。同时adventure还可以用作动词,意为“冒险;尝试;大胆进行”。【词汇拓展】have an adventure有冒险经历set out on an adventure去冒险adventurous adj.勇于冒险的;新奇的;惊险的adventurer n.冒险者,冒险家;投机取巧者用adventure的适当形式填空(1)Their in Zhang

4、jiajie impressed them deeply.(2)Only after you become an,can you feel the excitement they get from their experience.(3)His experiences made his life so colorful.(4)Being afraid of blame,none of them telling their mom the truth.adventures adventureradventurousadventured3.Well learn survival skills.我们

5、要学习生存技能。【词汇精讲】在本句中survival是名词,意为“生存”,作名词时,survival还有“幸存;幸存者;生存;残存物;幸存物”之意。【词汇拓展】survive from从中幸存下来survival n.幸存;残存物survivor n.幸存者用survive的适当形式填空(1)Luckily,they from the flood and began their new life.(2)The picture may be the best of that ancient artist.(3)The were offered enough water and food to m

6、ake them go through their hardest time.survived survivalsurvivors4.Well learn how to live in the wild from some experts.我们会从一些专家那里学习怎样在野外生存。【词汇精讲】本句中的expert是名词,表示“专家”。它还可以用作形容词,表示“熟练的;内行的;专家的”。【词汇拓展】be expert at/in doing sth在方面内行/专长Shes expert at/in making cheap but stylish clothes.她擅长做便宜但时髦的衣服。完成句子

7、(1)专家认为暴力电影会毒害年轻人的心灵。will pollute youngsters minds.(2)她是一个在做科学实验方面著名的专家。She making scientific experiments.The expert thinks the violent film is a famous expert at/in重点句式Im not sure if Ill make the team or not.我不确定我是否会成为啦啦队成员。【句式剖析】本句中的if.or not引导宾语从句。其中的if可以换成whether。I dont know if/whether he will c

8、ome or not.我不知道他是否能来。【句式拓展】(1)直接与直接与 or not 连用时要用连用时要用whether,不用不用if。I will write to you whether or not I can come.我将写信告诉你我是否能来。(2)若不是直接与or not 用在一起,则有时也可用 if(但用whether更常见);当从句简化为不定式时却又只能用whether。I dont know whether/if he will win or not.我不知他是否能赢。完成句子(1)无论你去还是不去都无所谓。It makes no difference .(2)你得自己亲自

9、尝,才知道喜不喜欢。Taste for yourself and see you like it.(3)我不能肯定去还是不去。Im uncertain or not.whether/if you go or not whether or notwhether to go重点语法Phrases短语短语类型组成功能名词短语(限定词)+(形容词、形容词短语、描述性名词)+名词+(介词短语)在句子中当作名词用,一般用作主语、宾语、表语或宾语补足语形容词短语(副词)+形容词+(介词短语)在句中当作形容词用,可以修饰名词或代词,还可以用作表语或者宾语补足语副词短语(副词)+副词在句中当作副词用,可以修饰动

10、词、形容词或副词短语的类型详解一、名词短语1.定义:以一个名词为中心构成的短语即为名词短语These red roses are for you.这些红玫瑰是送给你的。I have three close friends.我有三个要好的朋友。2.构成:名词的修饰语与名词有两种位置关系:一是放在被修饰名词的前面,叫作前置定语;二是放在被修饰名词的后面,叫作后置定语。左二(前置定语)名词短语右六(后置定语)限定词+形容词1.定语从句2.同位语从句3.分词短语4.不定式5.介词短语6.形容词短语3.名词短语的用法(1)作主语There are some red roses on that small

11、 table.在那张小餐桌上有一些红玫瑰。(2)作宾语Lisa gave the little boy a candy.丽萨给了那个小男孩一块糖。Do you know the man sitting in the corner?你认识那个坐在角落里的男子吗?(3)作表语A sailors best friend is the wide open sea.水手最好的朋友就是广阔的大海。(4)作宾语补足语The life in the wild made him an experienced hunter.野外的生活使得他成为一个有经验的猎人。二、形容词短语1.定义:形容词短语是指以一个形容词为

12、中心构成的短语。2.构成(1)两个或多个形容词可以由and,but等连词连接,构成形容词短语。Your room is large and beautiful.你的房间大且美丽。(2)very等程度副词作修饰语,可与形容词构成形容词短语。It is very hot today.今天很热。(3)介词及其宾语可用在形容词后修饰形容词介词及其宾语可用在形容词后修饰形容词,可与形容词构成形可与形容词构成形容词短语。容词短语。I am sure of success.我确信会成功的。(4)不定式在形容词后作修饰语不定式在形容词后作修饰语,可与形容词构成形容词短语。可与形容词构成形容词短语。He is

13、sure to come.他一定会来的。3.形容词短语的用法(1)作定语作定语Tina lost her dark brown bag.蒂娜丢失了她的深棕色的包。(2)作表语作表语He is young but clever.他年轻但聪明。(3)作宾语补足语作宾语补足语He made a fire and kept the room a little warmer.他生火让房间更加暖和一些。找出下列句子中的名词短语1.The tall mountain was very large.2.Our decision to get married was celebrated by all.3.The light that was left on was very bright.答案:The tall mountain答案:Our decision to get married答案:The light that was left on