新人教版英语八年级下册Unit7总复习ppt课件.ppt

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._ 11.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 objects 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.achieve 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 saving 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.,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。challenge 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 30 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 adult 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 other 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narrownarrowernarrowestearlyearlierearliestclevercleverercleverest,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/furthest,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 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.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 interesting.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,