新人教版英语八年级下册Unit7总复习ppt课件.ppt

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1、初中英语人教版八年级下册,Unit 7 单元总复习课件,词汇训练营,1,句型大闯关,2,语法加油站,3,内容大纲,词汇训练营,1,一、快速说出下列单词或短语。1.平方；正方形 n._2.米；公尺 n._3.深的；纵深的 adj._4.沙漠 n._ 5.人口；人口数量 n._ 6.亚洲 n._ 7.旅行；旅游 v./n._8.古代的；古老的 adj._,square,meter,deep,desert,population,Asia,词汇训练营,快速回忆所学单词，看谁说得又快又准！,tour,ancient,tourist 旅行者；观光者,9.保护；防护 v._10.宽的；宽阔的 adj._ 1

2、1.成就；成绩 n._12.包括；包含 v._实现目标；成功 v._醒着的 adj._ 面对（问题、困难等）_,protect,wide,achievement,include,词汇训练营,快速回忆所学单词，看谁说得又快又准！,succeed,awake,名词形式：protection,in the face of,形容词：successful,动词形式：achieve,2023/1/13,1.as big as 与一样大2.be in danger 处于危险之中3.feel free to do sth.随意地做某事4.as far as I know 据我所知5.man-made obje

3、cts 人造物体6.part of.的组成部分7.the highest mountain 最高的山脉8.in the world 在世界上9.any other mountain 其他任何一座山10.endangered animals 濒危动物11.run along 跨越 12.freezing weather 冰冻的天气,2023/1/13,13.take in air 呼吸空气14.the first people to do sth.第一个做某事的人15.in the face of difficulties 面临危险16.give up doing sth.放弃做某事17.ach

4、ieve ones dream 实现某人的梦想18.the forces of nature 自然界的力量19.reach the top 到达顶峰20.even though 虽然;尽管21.at birth 在出生的时候,2023/1/13,22.be awake 醒着23.run over with excitement 兴奋地跑过去24.walk into sb.撞到某人25.fall over 摔倒26.take care of 照顾;照料27.every two years 每两年28.cut down the forests 砍伐林木29.the importance of sa

5、ving these animals 拯救这些动物的重要性,词汇训练营,单词填空，考查综合运用能力！,1.Russia has the biggest _(人口)in Europe.2.Each student should learn to _(保护)the wild animals.3.The animals in the zoo are usually _(wake)at night.4.Although Lucy tried her best to lose weight,she didnt _(success).5.A wolf is much _(wild)than a dog.,

6、二、根据提示填空。,population,protect,awake,succeed,wilder,句型大闯关,2,句型大闯关,本单元重点句子有哪些？看谁说得多！,about 9,600,000 square kilometers in size.大约9，600，000平方公里。,in size，是固定词组，译为：大小（面积）。be+表示面积的数字+in size，表示多大的面积。,2.Qomolangma is higher than any other mountain in the world.珠穆朗玛峰比世界上的任何山都高。,比较级thanany other单数名词，经常用这种形式表示

7、最高级的含义，than前后的比较要在同一范围内。,句型大闯关,本单元重点句子有哪些？看谁说得多！,3.The main reason was to protect their part of the country.主要的原因是保卫自己的国家。,protect v.“保护”。protect sb./sth.from 保护某人/某物使其不受。,4.As far as I know,there are no man-made objects as big as this.据我所知，没有任何一个人造物有长城这么大。,as far as I know据我所知。as far as“就来说，至于”,引导状

8、语从句，强调范围或程度，常与动词know,see等连用，可放在句首或句中。,句型大闯关,本单元重点句子有哪些？看谁说得多！,5.Why do so many climbers risk their lives?为什么这么多登山者愿意冒生命危险？,risk ones life to do sth.某人舍命做某事,6.One of the main reasons is that people want to challenge themselves in the face of difficulties.其中一个主要原因是人们在面临困难的时候想挑战自己。,challenge v./n.挑战。ch

9、allenge sb.to sth.向某人挑战in the face of 面对（问题、困难等）,句型大闯关,本单元重点句子有哪些？看谁说得多！,7.This elephant weighs many times more than this panda.这头大象的重量是这只熊猫的很多倍。,表示倍数的结构是：数词+times+比较级+than+比较对象，“比多/大多少倍”；数词+times+asas+比较对象，“是的多少倍”。,up to 高达up to+数量词 达到（某数量、程度等）；至多be up to sb.“由某人决定”,8.A panda can live up to 20 to 3

10、0 years.一只熊猫活20年到30年。,句型大闯关,本单元重点句子有哪些？看谁说得多！,9.The babies often die from illnesses and do not live very long.熊猫幼崽常死于疾病，并且活不久。,(1)die from+外因“死于”，主要指事故等方面的外部原因。(2)die of+内因“死于”，主要指死于疾病、衰老、情感等自身原因。(3)die out（家族、物种等）灭绝；绝迹。,完成句子。1.一只大象的重量是一个成人重量的一百倍多。An elephant weighs more than_ _ _heavier than an adu

11、lt person.2.在困难面前，我们应该从不放弃。We should never_ _ in the_ _ difficulties.3.一只熊猫可以活20到50年。A panda can _ _ _ 20 to 50 years.,句型大闯关,“学以致用”，你真的会用了吗？,one hundred times,give up face of,live up to,4.他比其他任何一个男孩都聪明。He is cleverer than _ _ _.5.我冒着生命危险挽救了那个男孩。I _ _ _ to save the boy.,句型大闯关,“学以致用”，你真的会用了吗？,any othe

12、r boy,risked my life,语法加油站,3,大部分形容词、副词有比较级和最高级的变化：原级比较级最高级。1.构成形容词的比较级和最高级的构成有规则变化和不规则变化两种。,语法加油站,总结本单元的语法知识，你掌握了吗,形容词、副词的比较级和最高级,语法加油站,1)绝大部分双音节形容词和单音节形容词的比较级和最高级变化，请看下表：,总结本单元的语法知识，你掌握了吗,语法加油站,总结本单元的语法知识，你掌握了吗,2)以ow，er，ly结尾的个别双音节形容词可以加-er，-est构成比较级和最高级。例：原级 比较级 最髙级narrownarrowernarrowestearlyearli

13、erearliestclevercleverercleverest,3)大部分多音节形容词比较级和最高级的构成是在原形前加more或most。例：原级 比较级最高级beautiful more beautiful most beautifuluseful more usefulmost useful,语法加油站,总结本单元的语法知识，你掌握了吗,4)不规则变化。例：原级 比较级 最髙级good better bestbad,ill worse worstmany,much more mostlittle less leastfar farther/further farthest/furthe

14、st,语法加油站,总结本单元的语法知识，你掌握了吗,2.用法最高级的基本用法：常用“最高级+比较范围”结构，比较范围常用of,in,among引导的短语表达。如：China is one of the oldest countries in the world.中国是世界上历史最悠久的国家之一。The book is the most interesting of all the books.这本书是所有书中最有趣的。,语法加油站,总结语法知识，你掌握了吗,比较级的基本用法：用于两者之间的对比，与than连用。如：This lesson is more difficult than that

15、one.这课比那课难。She is heavier than Kate.她比凯特重。,语法加油站,总结语法知识，你掌握了吗,比较等级的特殊用法：1)比较级与最高级的结构可以转换，意思不变。如：The Yangtze River is longer than the other rivers in China.在中国，长江比其他河流都长。The Yangtze River is longer than any other river in China.在中国，长江比其他任何河流都长。The Yangtze River is the longest river in China.长江是中国最长的河

16、流。,语法加油站,总结语法知识，你掌握了吗,2)被比较事物中不能包括本身。He is taller than any other student in his class.他比班上其他学生都高。3)如果比较对象相同，可用that/those代替比较对象。The food in Sichuan is hotter than that in Guangdong.四川的食物比广东的食物辣。4)“the+比较级，the+比较级”表示“越，就越”。The more,the better.越多越好。The more careful you are,the fewer mistakes youll make

17、.你越仔细，错误就越少。,语法加油站,总结语法知识，你掌握了吗,5)表示两者中“较”时，用“the+形容词比较级+of短语”来表达。Canada is the larger of the two countries.加拿大是这两个国家中较大的那一个。6)形容词的比较级可用much,a little,a lot,even 等修饰，使原本的比较级在语意上更加明确。Apples are much bigger than oranges.苹果比桔子大得多。Lets go to school a little earlier.我们早一点去学校吧。The movie is even more intere

18、sting.这部电影甚至更有趣。,学以致用，各个击破语法点,单项选择。1.E-mail is much_ than long-distance calling.cheap B.the cheaper C.more cheap D.cheaper2.Which sport do you like _?Swimming.Its _ of all sports,I think.A.most;interestingB.best;more interestingC.best;the most interesting D.better;more interesting,句型大闯关,D,C,学以致用，各个击破语法点,3.We are trying to make our country _ now.A.beauty B.much beautifulC.more and more beautiful D.beautifully4.Who is _ of the two girls?A.the tallest B.taller C.the taller D.tallest,句型大闯关,C,C,