初中英语人教新目标八年级下册Unit 9 高频易错点讲解和练习

这是一份初中英语人教新目标八年级下册Unit 9 高频易错点讲解和练习，共5页。
八年级英语下册Unit 9 高频易错点讲解和练习一、分数表达法规则:用英语表示分数时，分子用基数词，分母用序数词。重点1: 分子基数词，分母序数词重点2:当分子大于一时，分母加-s三分之一: one third三分之二: two thirds五分之一:one fifth五分之三: three fifths特殊分数四分之一 :a quarter/ one quarter/one fourth二分之一: a half/ one half/ one second四分之二: two quarters/ two fourths四分之三: three quarters/ three fourths易错点:分数作主语时，若所修饰的名词为可数名词复数，谓语动词用复数形式;若所修饰的名词为不可数名词或可数名词单数，谓语动词用单数形式。如:Every year over one third of the food produced worldwide goes to waste!全世界有超过三分之一的粮食被浪费！Two thirds of the students are girls in our group.我们队三分之一的学生是女生。【练习】1.--Can you tell me why the earth is also called“water polo”?--Because about______of the surface(表面)of it ________covered with water.A.three quarter; is B.three quarters; are C.three quarters; is2.About____ of my classmates help their parents do housework on weekends.A.two fifthsB.second fiveC.second fifths3.--What do you think of the environment here ?--Wonderful.________of the land_______ covered with trees and grass.A.Two fifths; isB.Two fifth; isC.Two fifths; areD.Two fifth; are4.--Jack,_____of the oranges_______gone bad.We'd better eat up the rest as soon as possible.A.one fifth; haveB.one fifth; hasC.one fifths; haveD.one fifths; has5.我们班有一半的学生来自乡下。（汉译英）6.He spent three quarters of his money buying books.【答案】1.C2.A3.A4.A5.One/A half of the students in our class are/come from the countryside.6.他把四分之三的钱都花在了买书上。二、neither的用法重点1: “Me neither.”和“Neither+be动词/助动词/情态动词+主语”， 两者均表示前者所述的否定情况同样适用于后者。neither表示“也不”时，可以与not......either互换如:My sister won't go to the museum.Neither will I/ I won't， either.我姐姐不去博物馆。我也不去。If Tom doesn't do housework, me neither/ nerither do I/ I don't, either.如果杰克不做家务，我也不做。 Neither后面是用be动词, 助动词还是情态动词, 取决于前句的句子使用的是哪一种, 如例句1“my sister won't go ...”, 用的是助动词will， 因此neither后面用will。同样，如果表示前者所描述的肯定情况，同样适用于后者， 用“So+be动词/助动词/情态动词+主语”He passed the exam，and so did I.他考试及格了，我也及格了。They went to the zoo yesterday.So did we.他们昨天去了动物园，我们也去了。— John can speak French.约翰会说法语。— So can I.我也会。【练习】1--I don't like the movie.--_____.It's a bit boring.A.Me tooB.Me neitherC.So do ID.Neither did I2--I haven't been to Australia.What about youTim?--_______.But I will go there this winter holiday.A.So have IB.Neither have IC.Me tooD.I have, either3.--I think you are different now.-- Of course. Time have changed and _______.A.So have IB.So I have C.Neither have ID.Neither I have4.一He has been to the museum.I have______.(我也去过)=- So_______ ______.(我也去过)5.If Jack doesn't do housework, ________ _______ I(我也不做).=If Jack doesn't do housework, I won't ， _______(我也不做).6.一I didn't pass the English test.一He didn't, ________.(他也没有)=-______ _____he.(他也没有) 【答案】1.B2.B3.A4.too; have, I5.neither; will; either6.either; Neither; did三、invent, find, discover的区别discover表示“偶然”或“经过努力”发现客观存在的事物、真理或错误。如:Columbus discovered America in 1492.哥伦布1492年发现了美洲。We soon discovered the truth .我们很快就弄清了真相。find意为“发现,找到”,指对某种事物的寻求,也指对丢失的事物的找到。如:We've found oil under the South Sea.我们已在南海发现了石油。They finally found a way .他们终于找到了办法。invent意为“发明”,指经过认识和实践创造出前所未有的事物。如:Who invented the telephone?是谁发明电话的?He invented a new teaching method .他发明了一种新的教学方法。【练习】1.The computer has greatly changed the whole world since it was _______ in 1946.A.invented B.discovered C.created D.found2.Walt Disney _______ “Mickey Mouse” and many other famous Disney characters.A.found B.invented C.discovered D.created3.--Do you know when the gold was _______ in California？--In the 19th century.A.made B.created C.invented D.discovered选词填空(invent/ discover/find/ find out )1.Edison ______the electric lamp.2.I lost my necklace last night.I haven't______ it.3.Who_______America first?4.Can you_______what time the train leaves?【答案】1.A2.D3.D选词填空1.invented2.found3.discovered4.find out四、most和mostly的区别most①用作副词时，指“最; 最大程度地;极度地”，用来构成多音节或部分双音节 形容词或副词的最高级; ②用作代词时，指“大多数”; ③most作为形容词和名词时意思是“大多数的、大部分的mostly只用作副词，指“主要地;大部分地”，主要用来修饰be动词或介词词组。如:I was at home most of the time when Iwas free.我有空时大部分时间都在家。Most children are naughty.大部分的孩子都淘气。This is the most exciting part of the film.这是电影中最令人兴奋的部分。She is mostly out on Sundays.星期天她一般不在家。【练习】用most或mostly填空。1.I write to my mother every week,_______on Sundays.2.The students in our class are ________ from Taiyuan.3.________of the students in our class are from the same city.4.We are _________ out on Sundays.5.They ________ live in the centre of the town.6._______ of them are from the centre of the city.【答案】1.mostly2.mostly3.most4.mostly5.mostly6.most五、consider的用法consider， 动词， “认为;仔细考虑”。①表示“仔细考虑”时，其后接名词、代词或v.-ing， 即consider doing sth., “考虑做某事”②表示“认为”时，常用consider sb.to do sth.，“认为某人做某事”consiser sb./srh.to be..., “认为某人/某事是....”consider sb./sth.as...., “把某人/某物看作......”I am considering travelling abroad when this term ends.我在考虑这学期结束后去国外旅行。Audiences who have seen the film the Lake Changjin consider it to be educational.看过《长津湖》电影的观众认为它很有教育意义。I consider him to be a great leader.我认为他是一位伟大的领导者。【练习】1.我考虑和父母一起去度假。（汉译英）2.We must consider how ____(solve) this problem quickly.There is little time left.3.一Have you ever considered_____(take) the job as a teacher?一Yes.I like it because a teacher is often considered_____(be)a gardener.4.Why not consider____(go) to Putuo mountain for summer vacation?【答案】1.I consider going on a holiday with my parents.2.to solve3.taking; to be4.going