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1、八年级英语下册Unit7 高频易错点讲解和练习一、population的用法1.population常与定冠词the连用，作主语时，谓语动词常用第三人称单数形式。表示“某地/国有多少人口”用下面的句型:The population of +地名/国家名 + is +数字=地名/国家名 has a population of +数字如:2.询问某国、某地具体人口数量时用句型:Whats the population of.?， “.的人口是多少”3.当主语是表示“人口的百分之几、几分之几”时，谓语动词用复数形式。4.表示人口的“多”或“少”，不用“much”或“little”，而要用“large
2、”“big”或“small”修饰。【练习】精练1.-_the population of China?一About 1.4 billion.Everyone knows China has the _population in the world.A.What are; most B.What is; largest C.What is; mostD.How many are; largest2.The_of Guangzhou _about 15 million.A.population; are B.population; is C.people; is D.people; are3.欧洲
3、的人口比亚洲少。(汉译英)4.印度人口数量超过十亿。(汉译英)【答案】1.B2.B3.Europe has a smaller population than Asia.4.India has a population of more than one billion.The population of India is more than one billion.【易混肴词汇】这三个单词都需要注意一下发音，给的音标是英式发音1.population ppjulen【n.】人口2.popularity ppjulrti【n.】流行,普及，受欢迎3.popularppjl(r)【adj.】流行的
4、， 普遍的，受欢迎的二、protect的用法protect【v.】protection【n.】protect作及物动词，意为“保护、防护”，后接名词或代词作宾语。常用搭配:protect.from/against.表示“保护.不受的伤害”。注意区分:stop.from.=keep.from.=prevent.from.均表示“阻止.(做)某事”， from是介词，后面接V.-ing形式。【练习】1.The doctor advised me to take the medicine because it would_me against the illness.A.include B.chal
5、lengeC.protect D.succeed2.你最好戴上你的太阳镜以保护你的眼睛不受太阳的伤害。(汉译英) 3.Stephen Hawking ， a great scientist， had a strong will. His serious illness never _ him_ living a meaningful and colorful life.A.learned; fromB.protected; fromC.saved; fromD.stopped; from【答案】1.C2.Youd better wear your sunglasses to protect y
6、our eyes from the sun.3.D题目翻译:史蒂芬霍金， 一个杰出的科学家，他有着顽强的意志。他严重的疾病从来没有阻止他过有意义的，丰富多彩的生活。三、succeed/success/successful辨析这几个单词都要注意拼写1.succeed是动词，“成功”succeed in doing sth.表示“成功地做某事”2.success是名词，表示“成功”，是不可数名词; 表示“成功的人或事”，是可数名词，复数形式为successes。3.successful是形容词，“成功的;有成就的”，作定语或表语; successfully是副词，“成功地”，作状语，用来修饰动词。
7、如:Failure is the mother of success.失败乃成功之母。Her party was a big success.她的聚会非常成功。【练习】1.-What did Linda do last weekend? -She succeeded in_a model plane.A.makes B.making C.made D.to make2.It was a great_party.Everyone had a good time yesterday.A.success B.succeedC.successfulD.successfully【答案】1.B2.C四、a
8、wake与wake辨析wake【v.】醒来，唤醒awake【adj】醒着的 【v.】唤醒要注意过去式和过去分词wake-woke-wokenwake-waked-waked（规则）awake-awoke-awokenawake-awaked-awake（规则）初中阶段简单辨别，把wake就记作动词，awake记作形容词 【反义词是asleep“睡着的”】。wake up表示“醒来”， 中间可以接人，wake sb.up.如:Is Anna awake or asleep?Anna是醒着的还是睡着了?I woke up at six yesterday.昨天我6点起来。Please wake m
9、e up at seven tomorrow morning.明天早晨请在7:00叫醒我。awake是正式用词， 在书面文章或文学作品里能找到这个词语，作动词表示“唤醒” 如:His words successfully awoke her interest.他的话成功地唤醒了她的兴趣。【练习】用wake和awake填空1.You can listen to loud music. The baby is_.2.Please be careful.Dont _ him up.3. “I always _ early every morning,” says old Granny.4.I dri
10、nk a lot of coffee to keep me _.【答案】1.awake2.wake3.awake4.awake五、achieve与come true 辨析要注意【achieve】的拼写achieve, 作及物动词，表示“实现”，多指克服困难后取得胜利，成功，强调“得到”这一结果，通常人作主语。宾语可以是实现“目标”“梦想”，也可以是取得“成功”，“胜利”come true意思是“实现、达到”，常以dream， wish等作主语,不能用于被动语态。如:I believe your dream will come true one day.我相信将来有一天你的梦想将会实现。I st
11、udy hard in order to achieve my dream.我学习努力是为了实现我的梦想。【练习】用achieve或come true填空1.My cousins dream _and he became a dentist in the end.2.If you work hard, you will _ your goal one day.I believe you can make it.3.Even if we _great success in our work, we should not be much too proud4.如果你工作足够努力，你的梦想就会实现。
12、（汉译英）【答案】1.came true2.achieve3.achieve4.If you work hard enough，your dreams will come true.六、even though的用法even though, “即使;尽管”，引导让步状语从句，可以与even if同义替换，如:Even though it rains tomorrow ,we wont change our plan.= Even if it rains tomorrow ,we wont change our plan.【练习】1.-Does Tony always spend weekends
13、 with his family?一Yes，_he is very busy.A.so that B.even though C.because D.if2.即使你不成功，他们也会支持你。（stand by:支持）（汉译英）3.即使它是很难的工作，但我还是享受它。（汉译英）【答案】1.B2.They will stand by you even though/ if you dont succeed.3.Even though / if its hard work, I enjoy it.七、weigh与weight的用法weigh【v.】“重量是;称的重量”。weight【n.】“重量;分量
14、”对重量提问，用:How much do/does/did+主语十weigh?=How heavy +be动词+主语高频短语:put on weight增肥lose weight减肥【练习】1.-Can you tell me the _of the bag? -Sorry.I didnt _it.A.weight; weight B.weighed; weighed C.weight; weighed D.weighed; weight2.How heavy is the panda?(改为同义句) How much _the panda_?3.The elephant weighs about 5，000 kilograms.(对画线部分提问) 4.这只狗的重量是20千克。（汉译英）5.The doctor will _（weigh/ weight） the baby every month.6.In ten years time, Lily _ 50 kilograms.A.weighsB.will weightC.will weighD.weight【答案】1.C2.does; weigh3.How much
