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1、课题八年级下册U5同步讲义教学重点本单元重要词汇和句型 教学难点本单元语法知识教学目标知识的综合运用八下U5一、重点单词，短语和句式要点 1：endangered濒危的(1) danger n. 危险 in danger 处于危险中 out of danger 脱离危险(2) endanger v. 危及；使遭受危险(3) dangerous adj. 危险的【典例分析】 1.They work to protect the _ pandas and their homes. A. endangered B. endanger C. dangerous2.Its very _ to play
2、in the crowded street. A. danger B. endanger C. endangered D. dangerous 3.Crocodiles are _. Dont touch them， or you will be in _. (danger)要点 2： weight重量 1.weigh v. 称重；重达 2.put on weight 增肥 lose weight 减肥【典例分析】 1.Will you _ (weight)this letter for me?2.She _ 50 kilograms. = She is 50 kilograms in _.
3、(weight)3.An adult panda_ 100-150 kilograms. That is to say, its _ is 100-150 kilograms. A. weight; weight B. weighs; weighs C. weight; weigh D. weighs; weight要点3：population (统称)某领域的生物；族群；人口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。当主语表示“人口的百分之几或几分之几”时，谓语动词用三人称单数。2.表示人口的“多”或“少”，不用much或little，要用lar
4、ge或small。3.表示“某地/某一范围内有多少人口”时，用have/has a population of。【典例分析】 1_ is the population of the city?A. How many B. How much C. What2.Seventy percent of the population _ (be) farmers.3.The population of that country _ doubled from 30 million in the 1980s to 60 million today.A. has B. have C. had D. will
5、have要点 4：birth出生；诞生birthday n. 生日birthplace n. 出生地be born 出生于give birth to 出生；生育at birth 出生时【典例分析】 1. The great writer _ (birth) in a poor family.2.她生了一个健康漂亮的女孩。(根据汉语意思补全句子，每空一词)She _ _ _ a fine healthy girl.3.那个婴儿出生时有三公斤重。 The baby weighed three kilograms _ _.= The baby weighed three kilograms when
6、 it _ _.要点 5：face v. 面对1.make faces 做鬼脸2.face to face 面对面【典例分析】 1. He turned and _ her. A. faces B. faced C. faced to2.The giant pandas are _(face) dangers. 3.我们需要面对面讨论一下这个问题。 We need to discuss the problem .要点 6： learn about学习，获悉。in the wild 在野生环境中the rest of 其余的；剩下的【典例分析】 完成句子1.帮助别人了解中国是我的荣幸。Itsmy
7、pleasuretohelpotherpeople_ _china.2.动物园给人们展示了动物在野外的生活方式。Zoosshowpeoplehowanimalslive_ _ _.3.文章的剩余部分解释了作者为什么去美国。 _ _ _ the passage explains why the writer went to America. 要点 7：on ones own= (all) by oneself= alone 独自stay healthy=keep healthy 保持健康spend some time (in) doing sth 花时间做某事【典例分析】 完成句子1. 那个小男
8、孩可以独自完成这项工作。The little boy can finish the work _ _ _.= The little boy can finish the work all _ _.= The little boy can finish the work _.2你应该多一点锻炼来保持健康。Youshouldexercisemore_ _ _.3. 她花了200美元买了这个钱包。 She spent 200 dollars _ this purse.=She spent 200 dollars _ this purse.=She spent 200 dollars _ this p
9、urse.三、语法一、句型Its+adj.+for/of sb. +to do sth.语言观察1. Its useful for us to learn English well.2. Is it necessary for the students to wear school uniform every day?3. Its helpful of you to give me such good advice on how to learn English well.4. Isnt it generous of him to share his new toys with us?要点归纳
10、 句型“It is+形容词+for/of sb.+ to do sth.”中,it是句子的形式主语,真正主语是后面的动词不定式结构 to do sth。 若句型中的形容词是对客观情况的描述,表达的意思是“对某人而言,做某事是的”,介词用for,这个句型中常见的形容词有: important, impossible, necessary, difficult, easy, hard, possible, exciting等。若句型中的形容词是对人的性格品质进行描述,意思是“某人做某事真是大了”,介词用of,这个句型中常见的形容词有:friendly，warm-hearted，helpful， c
11、areful，clever，foolish， careless， generous等。二、句型adj.+ enough+ to do sth.语言观察1. The hall is big enough to hold 1000 people.2. My brother is not tall enough to reach the top of the shelf.3. He was careful enough not to make any mistake.要点归纳 句型“adj.+enough+to do sth.” 表达的意思是“足够可以做某事”,该句型可以转换成 “so +adj.+
12、that+从句”的句型。 在adj.前加否定词构成“not+adj.+ enough+ to do sth,“,表示“不够.不能做某事”,可以转换成“too+adj.+to do sth.”这一句型。 在动词不定式前加否定词构成“adj.+ enough+not to do sth.”则表示“足够.可以不用做某事”，也可以转换成“so+adj.+that+从句”的句型。所以上面的例句也可以用下面的方式表达：1. The hall is so big that it can hold 1000 people.2. My brother is too short to reach the top
13、of the shelf.3. He was so careful that he didnt make any mistake.用of或for完成下列句子：1、It was stupid _ me to talk in that way to my mother.2、It is very important _ us to master English.3、It was very important _ the little boy to carry such a heavy box4、It is smart _ them to make good use of the Internet.5
14、、It is very nice _ you to offer me a seat.6、It is very dangerous _children to cross the busy street.7、It is possible _ you to finish the work in such a short time.8、It is kind _ you to lend me so much money.完成句子。1 这个小女孩够年龄去上学了。The little girl is _ _ to go to school.2对于我们来说，三天内完成这项工作是不可能的。 _ _ imposs
15、ible for us _ _ the job in three days.3 保护环境对我们来说很重要。 _ _ very important _ _ to protect the environment. 4 她够勇敢，抓住了小偷。 It is brave _ _ to catch the thief. 5 这个书包太小了，装不下15本书。The schoolbag is _ small _ carry 15 books.6.Jim足够大了，不用上幼儿园. Jim was _ _ _ _go to kindergarten.7. 对孩子们来说，穿过繁忙的街道很危险。 Its very _
16、_children to cross the busy street.8. 拥有健康的饮食习惯对我们来说很必要。 Its _ _ us to have healthy eating habits. 9. 保护环境对我们来说很重要。 Its _ _ us to protect the environment. 10. 他足够大以至于能完成这项任务。 He is_ _ _finish this task.11麦克刚好够高可以拿得到箱子。 Mike was just_ _ _ _ the box.12有些同学不太勇敢不敢在公众面前讲话。Some students are _ _ _ _speak i
17、n public.【课堂练习】一、单项选择。1. Dont look around. You should do the test _ your own. A. in B. on C. of D. at2. Its kind _ you to help me with my Maths.A. with B. to C. for D. of3. The population of that country _ doubled from 30 million in the 1980s to 60 million today.A. has B. have C. had D. will have4.
18、In my free time, I enjoy camping with my friends _. A. in wild B. in a wild C. in the wildD. in wilds5. She is smart and she is _ to take care of herself.A. enough old B. old enough C. older enough D. oldest enough6.Yesterday Maria spent two hours _ computer games and her parents got very angry.A. t
19、o play B. on playing C. in play D. playing7. Our class teacher always reminds (提醒) us to keep our classroom_?A. clean B. cleanly C. cleaned D. to clean8. Our plan is _ the work in two weeks.A. finish B. finished C. finishing D. to finish9.An adult panda _ 100-150 kilograms. That is to say, its _ is
20、100-150 kilograms.A. weight; weight B. weighs; weighs C. weight; weigh D. weighs; weight10.I think you should stop_ these silly things A.do Bto do Cdoing D. did二、用所给词的适当形式填空1. Tom spends one hour _ (read) books after school.2. There is lots of litter in the _ (centre) part of the playground.3. Do yo
21、u know how _ (make) your mother happy on Mothers Day.4Its necessary for us (protect)the environment5The WWF is an important environmental (organize)6The WWF has 5 million (support)7Its (help)for us to protect the animals8The man (call)Johnson is from South Africa9“The story of the redcrowned crane”
22、(write)in memory of Xu Xiujuan10The baby panda (take)care of by the keeper三、介词填空1. Some people killed the animals _ their fur.2. The poor little boy lost his mother _ birth.3. Her weight is _50 and 53 kilograms.4. She got a job _ a nature reserve in Jiangsu Province.5. The song was written _ memory
23、of their friendship.四、完形填空Each year, thousands of Chinese middle school students go to study in foreign countries.“Chinese children hope to study abroad（到国外）to _1_ a wider view（视野）of the world.” said a Chinese writer called Chen Yi. Chen told the parents and their children that life in foreign count
24、ries can be hard for young people. “They have to meet a _2_ shock（冲击）and language problems.”However, these are not the most difficult things. To most children looking after _3_ when studying alone in a foreign country is a big challenge（挑战）.Zhang Jia began to study in a high school in Australia last
25、 October. To his surprise, his teachers there didnt _4_students to study. And _5_there wasnt homework. “With these education（教育）systems, we have more _6_ time and more space for thinking.” said Zhang. “But if you dont know how to _7_ your time and money. you will not have an easy time.”“Studying abr
26、oad at a young age can help students learn foreign language _8_ and broaden（拓宽）their minds, but students and parents should know about the challenges,” Chen said._9_ you want to study abroad, try to talk to someone with _10_ in foreign countries. Make sure that you are ready for it.1. A. getB. tryC.
27、 mixD. set2. A. interestB. trustC. cultureD. message3. A. theyB. themC. theirD. themselves4. A. mindB. pushC. avoidD. train5. A. usuallyB. yetC. justD. never6. A. busyB. safeC. boringD. free7. A. planB. haveC. missD. take8. A. happilyB. quicklyC. carefullyD. suddenly9. A. AlthoughB. WhetherC. WhyD.
28、When10. A. suggestionsB. competitionsC. experienceD. information【巩固练习】full mark： time： score：阅读理解In nature，you may see many insects(昆虫)and animals of different colorsHave you ever wondered why? Locusts are super delicious food for birds，but it is not。always an easy job for birds to catch themIt is n
29、either because locusts are good jumpers or runners nor because they are smarter than their enemiesThe reason is that the colors, of locusts change with the colors of crops(庄稼)When crops are young，locusts look greenBut when autumn comes，locusts change to the yellow and brown color as crops do Brown b
30、earstigers and other animals move quietly through forestsThey cant be seen easily by their enemiesThis is because they have colors similar to the treesFor the same reason，polar bears that live on a land of snow and ice are whiteButterflies and bees living among the flowers are colorful like flowersS
31、oil insects are mostly dark colored and they live under the soil(土壤)in a dark and wet environmentHowever，insects with colors different from plants can easily be found and eaten by othersSo in order to survive，they have to hide themselves in the daytime and appear only at night Have you ever noticed
32、some even stranger acts? The ink。fish in the sea can send out some very black ink when it。faces dangerAs the ink spreads over，its enemies will find，themselves suddenly in a dark worldAt the same time the ink fish immediately swims awayThat is how it keeps itself safe though it is not strong at all1I
33、t is not easy for birds to catch locusts because A1ocusts are good runners B1ocusts can jump very high C1ocusts are smarter than birds D1ocusts can change their colors2According to the passage，most soil insects . A. do not have bright colors B. change their colors with the soil C. do not live in a d
34、ark and wet environment D. eat colorful insects like butterflies and bees3.Whats the meaning of the underlinedWord “survive” in the passage? A繁殖 B产卵 C觅食 D生存4.The ink fish so that its enemies will not see it Achanges its color Bmakes the water around it black Cappears only at night Dhides itself in t
35、he sea rocks5. What is the main idea of this passage? A. Some insects and animals have different skills B. Some insects and animals are cleverer than we think. C. Some insects and animals use colors to protect themselves D. Some insects and animals can get used to the environment easily。7 学科网（北京）股份有限公司