
2021届中考英语考点解密 第一部分 教材知识梳理 八下 Units 3-4 外研版.doc
4页八年级(下)Units three-four重难点精讲考点一It has all kinds of animals.动物园有各种各样的动物page twenty-four)【用法归纳】kind的用法kind作名词,意为“种,类,属”如:What kind of noodles would you like?你想要哪种面条?kind作形容词,意为“和蔼的,仁慈的,友好的,亲切的如:Itis very kind of you to come.你能来真是太好了知识拓展】kind的短语:kind of有点儿,稍微different kinds of不同种类的a kind of一种all kinds of 各种各样的be kind to对什么友好考点二 Stand so still while they waddle my way. 它们摇摇摆摆朝我走来时,我站着不动page twenty-five)【用法归纳】①still的用法作形容词时,意为“静止的”如:Keep still while I brush your hair.不要动,我给你擦头发We had to keep still for about four minutes.四分钟内,我们不得不一动不动。
作副词时,初中常见的有以下几种意思①(截止目前/当时)仍;还,尚Is he still here? 他还在这儿吗?②仍然;还是;依旧In spite of his faults, she still loved him. 尽管他有错误,但是她仍然爱他③更;愈加(多/少)(修饰比较级)That would be still better. 那就更好了2)辨析while与when(2010年42题) 二者都有“当什么时候”的意思,都可用来引导时间状语从句while引导的从句中只能用延续动词,且多用于进行时;也可表示两个延续性的动作同时发生而又具有对比意味如:My wife kept silent when/while I was writing.当我写作的时候,我的妻子默不作声when引导的从句中既可用延续性动词,又可用非延续性动词如:Somebody broke in when we went out.在我们出门不在的时候,有人破门而入考点三 Iam sure the floor will not get wet. 我确信地板不会变湿的page thirty-two)【用法归纳】be sure的用法be sure of/about something./doing something.,意为“确信……,对什么有把握”。
但在接名词时,be sure of 侧重指主语对某抽象事物的确信无疑;而be sure about则侧重指主语对某具体事物的确信无疑如:He is sure of success. 他自信会成功的Iam sure of his honesty. 我肯定他是诚实的If you are not sure about the situation in the world, you can read the newspaper every day. 如果你对世界形势不大了解,你可以每天看看报纸be sure的后面若要接反身代词,则只能用be sure of, 即be sure of oneself,意为“有自信心”如:Joan will sit for an important examination next week, but she is not sure of herself. 琼下周要参加一个重要考试,但她对自己没有十分把握be sure to do something.表示说话人对句子主语做出的判断,认为句子主语“必定”,“必然会”,“准会”……如: He is sure to have known about that. 他准会知道那件事。
be sure to do用在祈使句中,不是表示判断,而是表示对对方的要求,意为“务必要,一定要”如: Be sure not to forget it! 千万别忘记呀!Be sure to send my regards to your mother.务必代我问候你母亲Be sure not to do that again. 一定不要再干那种事了be sure + 宾语从句,表示主句主语对宾语从句中涉及的事物所作出的判断,意为“确信某事一定会……”如: Iam not sure whether Ihave met him before. 我不能确定以前是否见过他考点四 Brian takes away his hand.布赖恩拿开了他的手 (page thirty-four) 【用法归纳】take短语小结take photos/pictures 照相take medicine 服药take out 掏出;带出去take off 脱掉;起飞take away 取走 take down 记下take after 长得像take place 发生take up占用;占据 take turns 轮流;交替take part in参加take care of照顾take it easy别紧张take back收回take ones time 别急,慢慢来考点五 We have discovered that cardboard can hold the water in.我们发现纸板可以将水保持在里面。
page thirty-four)【用法归纳】 辨析 discover, invent, create, find 与 find outdiscover 意为“发现,发觉”,是及物动词,后面常接名词、代词或宾语从句discover指发现客观事物的存在,常指发现已经存在而不为人知的事情如:Columbus discovered America in 1492.哥伦布在1492年发现了美洲The scientists have discovered a new planet recently.科学家们最近发现了一颗新行星invent 意为“发明,创造”,指通过研究和实验而“创造,发明”出前所未有的产品或装置如:Who invented the telephone? 谁发明了?create指从无到有创作出原来不存在的东西,如艺术作品、理论等如:Shakespeare created many famous characters.莎士比亚创造了许多有名的人物find强调在经过“寻找”(look for)后“找的结果”,又可以表示“(偶然地)发现……”如:Has he found his key? 他找到他的钥匙了吗?I found a watch on the road.我在路上发现了一块手表。
find out意为“查明,弄清楚”,指通过观察、调查等发现事实真相如:Please find out who broke the window.请查明谁打破了窗户考点六 That tastes so great. 那尝起来不错page thirty-five)【用法归纳】 taste 的用法(2013 年 87 题) taste作实义动词,意为“品尝”;taste也可作感官系动词,意为“尝起来”, 后跟形容词作表语如:You can taste the soup to see if itis hot enough.你可以尝尝这个汤,看看够不够辣The chicken cooked in this restaurant tastes delicious.这家饭馆做的鸡肉尝起来很可口tasty 为 taste的形容词形式,意为“美味的,可口的,好吃的”如:a tasty dish/meal美味菜肴;可口饭菜【知识拓展】感官系动词还有:look“看起来”; sound“听起来”;smell“闻起来”;feel“感觉起来,摸起来”这些词后都可加形容词作表语考点七 Debbie will have fun looking for them. 寻找它们将会让黛比很开心。
page thirty-six)【用法归纳】 have fun doing something.的用法have fun doing something.表示“做某事很有乐趣”如:I had great fun talking with that girl.和那个女孩聊天真开心知识拓展】have fun单独使用时,意为“玩得高兴,过得愉快”,相当于have a good time和enjoy oneself如:They had fun (等于 had a good time/enjoyed themselves) in the park.他们在公园里玩得很高兴—Iam going to the Hong Kong Disney Park this weekend.我周末要去香港迪斯尼乐园—Have fun!祝你玩得开心!考点八 When the candle stops burning, it has used up all the oxygen in the air.当蜡烛停止燃烧时,它耗尽了空气中所有的氧气page thirty seven)【用法归纳】辨析use up与run out ofuse up...意为“用完,耗尽”。
但是主语可以是人可以是物,所以也有被动用法somebody. use up something.等于 something be used up(by somebody.)run out不及物动词短语,意为“用完,耗尽”(该词主语是物不是人,且不能用于被动)如:Our food soon ran out.我们的食物不久就吃光了somebody. run out of something.意为“用光,耗尽”(主语只能是人)如:He has run out of red ink. 他把红墨水用完了If we run out of money, we can sell some of the products in Guangzhou.如果我们的钱用完了,我们可以在广州卖掉一些产品We ran out of money.等于 Our money ran out.等于 We used up our money.等于 Our money was used up. 我们把钱用光了。
