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八年级英语下册第七单元知识点总结:Unit 7  What’s the highest mountain in the world1. The elephant weights many times more than this panda. 这头大象的重量是这只熊猫的很多倍。【解析1】weigh v  称……的重量 → weight n 重量【记】 She weighs herself every day and wants to lose weight.【解析2】time ①“是......的几倍”主语 + 数词 + times + as +形容词+ as +被比较的内容   Our new school is four times as big as the old one. ②“次数” 一次 once  两次 twice   三次及三次以上 :基数词 + times three times 三次  three or four times 三到四次【短语】many times 很多倍     last time (在)上次……时  every time 每次/每回……     each time 每当……时   the first time 第一次……时     next time (当)下次……时      【句型】It’stimeforsth.或It’stime(forsb.)todosth.意为:该是……的时候了It’stimefordinner.该是吃晚餐的时候了。It’stimeforchildrentogotobed.是小孩睡觉的时候了。【2012浙江杭州2】We have two ears and one mouth so that we can listen _____ we speak.     A. as twice much as       B. twice as much as   C. as much as twice       D. as much twice as2.At birth, a baby panda is about ___ to ____ kilos.  刚出生的小熊猫幼崽约___到 ____公斤。【解析】at birth 出生时  (用作时间状语)___________(出生时), a baby panda is about 20cm long.        give birth ( to sb/ sth) 生孩子;产仔A panda can live up to ___ to ____ years.  一只熊猫活____ 年到____ 年【解析】up to 高达   up to +数量词  达到 (某数量、程度等);至多    I can take up to four people in my car. 直到 (现在)Up to now , Tony has been very quiet.  be up to sb. “由某人决定”— Shall we go out or stay in      — It’s up to you.4. Lin Wei and the other panda keepers are preparing the milk for the baby pandas’ breakfast. 林微和其他熊猫饲养员们正在给熊猫幼崽准备牛奶作为早餐。【解析1】the other 其他的 (指两个事物或两个人中的“另一个”, 后接名词时,表示“其他的人或物”;One.... The other ...  (两者中)一个......, 另一个........the others=the other +复数名词the other的复数形式是the others “其他东西,其余的人”。特指某一范围内的“其他的(人或物)”。Two boys will go to the zoo, and the others will stay at home. 两个男孩将去动物园,其余的留在家里。【2013孝感3】22. My family has two dogs. One is white, ________ is black. A. other B. another  C. the other  D. others[来源:学【解析2】prepare…for… 为……准备……1). prepare sth.表示"准备......",后接名词或代词作宾语。Our English teacher was preparing the lessons when I came into the office.我进办公室时,我们的英语老师在备课。2). prepare to do sth.表示"准备做......"。They were preparing to cross the river when it began to rain. 他们正准备过河,突然下雨了。3). prepare for sth.表示"为......做准备"。The students are busy preparing for the final exam.学生们正在准备期末考试5. At 9:00 a.m, they find that most of the babies are already awake and hungry.上午9:00的时候,他们发现大部分熊猫幼崽已经醒来并且饿了。【解析】awake  adj. 醒来 (反义词)asleep 睡着的  She was awak all night.V. 唤醒;使醒来 = wake up  The noise awak me.【2013江苏苏州】 Do you lie __________  (醒着的)at night,worrying about things?(   ) He fell ____ early last night, and he was ___ early this morning.     A. sleep; wake    B. asleep; wake    C. asleep; awake   D. sleep ; awake6. When the babies see the keepers, they run over with excitement and some of them even walk into their friends and fall down!  当熊猫幼崽们看到饲养员时便激动地跑了过来,有些甚至撞倒它们的伙伴,绊倒在地!【解析1】run over 撞倒  run →ran→ run→ running →runner赛跑的人【短语】runafter追逐,追求   runawayfrom从……跑掉;逃避 runout(某物)被用完      runoutof用完(某物)         runinto无意间碰到,和……相撞 【解析2】excitement 激动;兴奋                              Hetoldusanexcitingstoryyesterday.excitev "(使)兴奋" →excitement n 激动;兴奋                      AreyouexcitedaboutgoingtoBeijing  be excited about 对……感到激动  to one’s excitement 使某人兴奋的是【2013遂宁2】Everyone was _______when they heard the ______ news.       A.exciting,exciting    B.excited,exciting    C.exciting.excited【解析3】fall down 跌倒fall “落下,跌落,降落”,指在重力的作用下落下,或失去平衡而跌落   The leaves fall in the autumn.fall down强调的是“滑倒、倒下”,后接宾语时应加上介词from    The book fell down from the table to the floor.【短语】  fall down 倒下      fall over 落在...之上, 脸朝下跌倒           fall off 下降, 跌落   fall over“向前摔倒、跌倒”。【2013四川凉山】— What happened to Mare       — He fell ____ the bike ___ a snowy morning.             A.off; in     B.down; at    C.off; on7. The baby often die from illness and do not live very long.熊猫幼崽常死于疾病,并且活不久。die v. →(延续性动词) be dead 死,死亡  → death  n. 死,死亡→dead adj. 死的  →   dying adj. 将死的①Lucy’s dog’s __________(die) yesterday. Its_______ made her sad.②His grandpa ____________(die) for five years .(     )③He _____ for two years. We are still sad about his _____.A. died; dead              B. died; death  C. has been dead; dead     D. has been dead; death(   )④The doctor ____a ___ boy yesterday.   A. saved; dying  B. saved; dead  C. has saved; dead 【2012曲靖中考】-- The national hero Wu Bin , a bus driver, hardly had time to think about himself when in danger.-- Yes, His ____ is starting to make people think a lot. A. die    B. death   C. dead    D. died【拓展】die from 死于    die v“死”表示生命的结束→ dead adj 死的→death n 死亡  ●常用短语⑴ die from + 外因  “死于……”,主要指事故等方面的外部原因。die from a traffic accident 死于交通事故   The old man died from a car accident last year. 这个老人去年死于一场车祸die of + 内因     主要指疾病、衰老、情感等自身原因die of hunger/an illness 饿/病死   His grandfather died of liver cancer in 1992.⑶ die out“(家族、物种等)灭绝;绝迹   Dinosaurs died out 65 million years ago. 恐龙在六千五百万年前灭绝了(   ) He died ___ the traffic accident last week.     A. of     B. from    C. with     D. for【2013湖北荆州】— Do you know that Mr. Zhang passed ____ last week     — Yes. He died ____ illness.     A. away; of    B. on ;from    C. by; with    D. off; as【解析2】illness 疾病;病ill /sick 共同点:"生病的;有病的"     不同点:ill adj."生病的;有病的"作表语,不能作定语be ill in hospitalsick 作表语/作定语,"病人"a sick man 或the sick,She is ill / sick in bed. 她卧病在床。She is looking after her sick father .她在照顾她生病的父亲。【拓展】sick "恶心的;厌倦的"  The smell makes me sick.这气味使我感到恶心。【2013甘肃白银】25. He can’t even move because of his             (ill).8. Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo.成年熊猫每天花12个小时来吃掉大约10公斤的竹子。【解析】spend … (in) doing 花时间做某事【】spend/pay/cost/take 花费(1)spend→spent→spent v 花费,主语是人   ◆ sb.+ spend +时间/钱+on sth◆sb. +spend +时间/钱+(in) doing sth◆spend on= pay for 支付He spends too much time on the computer games.(    ) Remember to spend some time __ your loved ones, because they’re not going to be around forever.   A. from   B. with    C. in   D. on 【2012湖南永州】My father _____ one hundred thousand yuan on his new car.      A. spent    B. cost    C. paid(2) pay →paid →paid v 支付,主语是人   ◆sb.+ pay + 钱+for sth      I pay 10 yuan for the book.(    ) — How much did you ____ for this computer    — Five hundred dollars.    A. cost    B. take    C. spend   D. pay(3) cost→ cost→ cost  v 花费,主语是某物或某事  ◆sth cost sb. +钱  某物花费某人多少钱 A new computer costs me a lot of money.【2012广西贵港】 I bought a new sweater last weekend. It ____ me 120 yuan.                  A. paid    B. take   C. cost   D. spend(4)take→took → taken v 花费◆It takes /took sb. some time to do sth. 做某事花费某人多长时间It takes him 3 hours to do his homework.【2013黑龙江绥化】10. It will ________ them several years to learn English well.A. cost            B. take               C. spend【2012曲靖中考】--Are you always online      --Yes. It ____ me a lot of time to read the web pages I likes. It’s the best way to kill time.     A. takes   B. spends    C. uses   D. pays【2013鞍山】  It only_______ him 20 minutes __________to his office every day.   A. takes, to drive   B. took, drive  C. takes, drive  D. took, to drive【2013湖北荆州】22. It usually        Mum about half an hour to cook supper.A. pays          B. takes          C. spends        D. costs【2013四川雅安】4. I spent $5         this book.   A. in          B. to buy     C. buying      D. buy【2013山东济宁】22. — Do you know the price of the ticket     —Yes. Each______¥180.A. pays B. costs   C. takes    D. spends【2013湖北黄石】 38. It ______ me about 10 days ______ painting the walls.A. took; to finish      B. cost; finishing  C. took; finishing    D. spent; to finish【2013四川遂宁】24. Paul’s parents were worried that he      too much time chatting on line.A. spent              B. paid              C. took【2013山东青岛】9. — How much is the ticket to Central Park—A one-way ticket ____ $40, and you can _____ another $20 for a round-trip.A. costs, pay  B. cost, spend    C. pay, spend    D. spends, pay9. But then humans started to cut down the forests, and there was less bamboo for the pandas.  但是后来人类开始砍伐森林,导致可供熊猫吃的竹子越来越少。【解析1】cut down 砍伐;砍倒  cut down 砍倒,减少,降低,缩短 The little boy cut down the young tree【拓展】与cut有关的短语cut something from something 切下,割下cut something away 切除,剪去  cut up 切碎  cut off切断,停止【2013四川宜宾1】President Xi Jinping calls on Chinese people to ______ all the food each meal.    A. eat up    B. use up   C. pick up   D. cut up【2013山东济南4】 —Alice, could you help me __ the meat I want to make some dumplings for dinner.—OK. I’ll do it right away.    A. put up          B. give up        C. use up           D. cut up【解析2】less 更少的⑴less是little(小;少)的比较级:  He spends less time (in) doing experiments. 他做实验花时间较少。⑵“less+形容词或副词”构成劣等比较,作“较不…”,“更不…”解。  It is less cold than it was yesterday. 天气不如昨天那样冷。【拓展】not less than + 基数词表示"不下于;至少;不止"no less than + 基数词表示"达......之多(言其多)" There are not less than 40 students in this class. 这个班级至少有40个学生。 No less than 1,000 people were missing in the earthquake.地震中失踪人数多达一千人。【2013十堰3】13. -Many boy students think math is ______ English.      -I agree. I’m weak in English.         A. much difficult than  B. so difficult as      C. less difficult than  D. more difficult than10. Scientists say there are now fewer than 2000 pandas living in the remaining forests. 科学家们说现在只有不到2000只大熊猫生活在幸存的森林中了。【解析】 There be + 名词(短语) + ving. 某处有某人或某物在做某事There is a truck collecting rubbish outside.【解析】remind v保持,仍是(系动词+adj. )(    ) ①Though he has been working hard, his math remains_____.   A. bad     B. badly     C.OK(    ) ②  At the meeting ,they said nothing but ____quiet.   A. took    B make     C. reminded【2013辽宁鞍山】 25. —Can I smoke in the dining hall     —Sorry. It's not_________.A. promised      B. realized     C. allowed      D. reminded11. Another 200 or so live in zoos or research centers in China and other countries.另外的200 只左右生存在动物园或中国和其他国家的研究中心。【解析】another +数词   另外的……, 再……another 同类事物(三个以上)的另一个,I don't like this one, please show me another. 我不喜欢这个,请给我另一个。some... others一些,另一些Some boys are reading; others are listening to the radio. 有些孩子在阅读,有些则在听收音机。one ... the other 表示两者里面的另一个!  I've bought two sweaters . One is for you and the other is for my brother.other+复数名词Where are the other students 其他同学在哪里【2013孝感3】22. My family has two dogs. One is white, ________ is black. A. other B. another  C. the other  D. others[来源:xx]【2012福建南平】— Have you finished your work yet       — No, no t yet. It’ll take me ____ ten minutes.     A. other       B. another       C. the other12. We all hope that in the future there will be a lot more pandas than now.【解析】there be句型的将来时【2013铜仁】—There’s going to ___ an English evening tonight Would you like to go with us   —I’d love to.       A. have        B. has         C. is         D. be【2013黔西南】 _________ two soccer games in our school next week .       A. There is has        B. There are have      C. There are going to be      D. There is going to be【2013湘西】Do you think there _____ robots in People’s homes in the future      A. will be      B. will is     C. be will13. Another reason for fewer and fewer pandas is because people are cutting down forests so pandas have fewer places to live and less bamboo to eat.熊猫越来越少的另外一个原因是因为人们砍伐森林,所以可供熊猫居住的地方越来越小,可供其吃的竹子也越来越少。【解析】比较级 +and +比较级   越来越……【2011安徽芜湖1】Funtawild Adventure is very popular and ______ tourists visit it year by year. A. more and more B. fewer and fewer  C. less and less D. more or less【2011湖北恩施2】 Farmers have become ___ in our hometown in recent years.A. more and more rich B. richer and richer   C. more rich and more rich【2013辽宁鞍山1】After rebuilding, our school is becoming ___.A. more and more beautiful    B. more beautiful and beautiful  C. beautiful and beautiful   D. the more beautiful(二)形容词和副词的比较级和最高级形容词及副词的比较级和最高级变化形式一、规则变化1.一般在词尾直接加er或est, tall-taller-tallest,long-longer-longest2.以不发音的字母e结尾的单词在词尾直接加r或st,  nice-nicer-nicest3.以辅音字母+y结尾的词,把y变为i,再加er或est, heavy-heavier-heaviest4.重读闭音节,末尾只有一个辅音字母,双写这个辅音字母,再加er或est, big-bigger-biggest【注】: 大,红,湿,热,悲,瘦,胖.双写末辅再变级.(big/red/wet/hot/sad/thin/fat )5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级, beautiful-more beautiful-most beautiful【注】:表示否定意义在其前加less /least    important----less important----least importantEnglish is more interesting than Chinese =Chinese is less interesting than English .6.由 “形容词+ly”构成的副词,在其前加more/ mostslowly---more slowly----most slowly;但early—earlier---earliest二、不规则变化原级 比较级 最高级good/well better bestmany/much more mostlittle less leastold old / elder old /eldestbad/badly/ill worse worstfar farther (距离)/further(程度) farthest  /furthest下列单、双音节词只能加more和most注: 形容词,副词同形有: back , high , well ,fast, early, late ,straight三、常见用法形容词或副词的比较级+than。如:You are taller than Tom. 你比Tom高。可修饰比较级的词 a bit, a little, rather, much, far, a lot, a great deal, any, still, even. 查看更多

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