八年级英语七单元讲解.doc

（1） Unit 1 Will people have robots? 一、重点、难点、考点详解 1、1、Do you think there will be robots in people’s homes? ① do you think 你认为， 通常用来询问对方的看法后面常接宾语从句如do you think 用在句中，则为插入语，常放在特殊疑问词之后，结构为：疑问词+do you think + 主语+谓语+其他成分 Do you think he will come back tomorrow? What time do you think the train will arrive here? ② in people’s homes 在人们家里此时，home 作名词，家，相当于house; 注意：home 还可以用作副词，回家、在家如： He didn’t leave home until he was 21. I am going home now. See you tomorrow. 辨析：home, family, house. home 家（乡），指家人共同居住的地方，侧重强调家庭的氛围。

如： I regard Beijing as my second home. family 家（庭），指一家人或家庭成员，侧重强调人，与房子或其他无关如： My family are watching TV now. house 房（屋），指人所居住的地方，侧重于建筑物，包括院子等等如： We will move to a new house next week. 2、Everything will be free. ① everything pron. 每件事物，属于不定代词注意：做主语时，谓语用单数；当形容词修饰不定代词时，形容词后置如： I hope everything goes well. He loves everything new. 常见的不定代词有：something, anything, everything, nothing, somebody, someone, etc. ② free adj. 自由的、空闲的， 相当于 have time; 免费的、免税的如： Are you free today? Buy one, one free! 【典型例题】 ----Is ____ ready for the journey? ----No, we haven’t got a camera. A. something B. everything C. anything D. nothing 3、Books will only be on computers, not on paper. ① on computers / paper 用电脑/ 纸， 介词on 表示“借助或通过某种方式”，类似的用法还有：on TV 在电视里； on the phone 在中； on the radio 在收音机里； on the Internet 在网上。

② paper n. 纸、纸张，不可数名词，一张纸表示为：a piece of paper; 当paper 作试卷、论文讲时，是可数名词如： Please pass me three pieces of paper. The history paper is really easy. 【典型例题】 Please pass me two ______ A. pieces of paper B. pieces of papers C. pieces paper D. piece paper I think kids will stay at home ___ computers ___ the future. A. on, at B. in, in C. on, in D. at, in 4、people will live to be 200 years old. live to be +基数词+ years old 活到……….岁如： I want to live to be 100 years old. Can pandas live to be fifty years old? 注意：熟记一下与live有关的短语。

live on sth. 以…..为生 live by doing sth. 靠做….为生 live in + 地点住在某地 live a quite life 过着平静的生活 live on the fourth floor. 住四楼 5、Will people use money in 100 years? ① use 作动词，利用、使用如： May I use your ruler? use 做名词，用处、作用，常用语一下结构：It’s no use doing sth. 做某事没有用 make (good) use of （充分）利用某物如： It’s no use arguing with her, because he won’t listen. We should make good use of time. ② in 100 years 在100年以后in +时间段表示：在一段时间以后，常与一般将来时连用对之提问常用how soon如： How soon will she come back? In a week. 辨析：in，after与later in 后加时间段，以现在时间为起点，表示从现在起之后的一段时间，句中用一般将来时。

如： My mother will return in a month. after 后即可以加时间段也可以加时间点如果after后接一段时间，常以过去的时间为起点，句中常用过去时；如after 后接时间点，表示某一时间为起点的若干时间之后，也可以用于将来时如： He came back to school after two weeks. I think that they will arrive there after five o’clock. later 前加时间段，表示若干时间之后，常用于过去时如： He went back to this city eight years later. =He went back to this city after eight years. 【典型例题】 The students will go back to school in two days (画线部分提问) _____ _____ _____ the students ____ back to school? 6、There will be more/less/fewer pollution. ① fewer 更少的。

修饰可数名词复数如： He has fewer friends in this school. less 更少的修饰不可数名词如： There will be less pollution. 辨析：few, a few, little, a little. few 指没有多少，表否定，后接复数可数名词如： I am afraid I know few words of French. a few 指少数几个，而非很多，表肯定，后接复数可数名词如： There are a few students in the classroom. little 指很少，几乎没有，表否定，后接不可数名词如： Unfortunately he now had little money left. a little 指一点，有点儿，表肯定，后接不可数名词如： I need a little help to move these books. ③ pollution n. 污染（物），不可数名词对应的动词为pollute，污染、弄脏如： There is a lot of pollution in the air here. This is a polluted river.【典型例题】 I have more apples than Lucy. （改为同义句） Lucy _____ _____ apples than I 7、Cities will be very big and crowed. crowed adj. 拥挤的，常用于词组 be crowded with 挤满了。

对应的crowd可以作名词，表示：人群，也可以作动词，表示聚集如： The supermarket was crowded with customers. He pushed his way through the crowd. Supporters crowded the stadium. 8、I will live in Shanghai, because I went to Shanghai last year and fell in love with it. ① go to + 地点 去某地，类似的结构还有： fly to 飞往….. move to 搬到…… come to 来到…… walk to 步行去….. drive （a car ）to 开车去….. ride （a bike）to 骑车去….. 注意：此类动词如果后面接的是地点副词则去掉to ， 如go home/there等如果是名词则带to，如：go to school 等 ② fall in love with 喜欢、爱上….如： She saw the doll and fell in love with it. 拓展：记忆与fall 有个的短语 fall down 跌落、掉落。

fall off 从….掉下 fall ill 病了 fall behind 落后，落后于（某人或某物） fall over 跌倒，绊倒 fall into 落入、陷入9、Because I don’t like living alone. alone 单独的，独自一人，相单于by oneself，在句中常作表语，不做定语此外，alone还可以做副词，表示仅仅，只有，用语名词或代词之后如： She is alone at home. He went to hang out alone. You alone can help me in the work. 辨析：alone 与 lonely. alone 表示“单独一人，无人相伴：如： This job is too big for me to do alone. lonely 只能做形容词，表示“孤独的，寂寞的”，带有强烈的感情色彩；此外，还可以表示“荒凉多、偏僻的”，常作定语如： Though the old man is alone, he doesn’t feel lonely. My grandfather used to live in a lonely vi。