人教版八年级下英语7单元知识点全解(共9页).docx

精选优质文档-----倾情为你奉上Unit7 Whats the highest mountain in the world?一 词形变换1． deep adj.深的；纵深的----(adv.) deeply深深地一(n．) depth深度；深处2． Asia n.亚洲-----（n．＆adj.）Asian亚洲人；亚洲的3． tour n．&o．旅行；旅游 ------n. tourist旅行者；观光者4． achievement n，成就；成绩----(v．)achieve取得；实观5． succeed v.．实现目标；成功----(n．)success成功---（ adj.）successful成功的 6． nature n．自然界；大自然斗---(adj.) natural自的；天然的7． weigh v．重量是……；称……的重量-----n. weight重量；分量8． keeper n．饲养员；保管人----- (v．)keep保持9． awake adj.醒着斗(v．)wake醒；醒来10. amaze v. 惊讶，吃惊 amazing 惊奇的，令人惊喜的 amazed 感到惊奇的，吃惊的二 重点短语：专心---专注---专业1. as big as… 与……一样大2. one of the oldest countries 最古老的国家之一3. 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. of all the salt lakes 在所有的咸水湖中11. run along 跨越……12. freezing weather 冰冻的天气13. take in air 呼吸空气14. take in 吸入；吞入（体内）15. in the face of difficulties 面对困难16. give up doing sth. 放弃做某事17. achieve one’ s 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 出生时22. be awake 醒着23. run over w ith excitement 兴奋地跑过去24. walk into sb. 撞到某人25. fall over 摔倒26. the first person to do sth. 第一个做某事的人27. every two years 每两年28. cut down the forests 砍伐林木29. endangered animals 濒危动物30. fewer and fewer pandas 大熊猫越来越少31. be in danger 处于危险之中32. the importance of saving these animals 拯救这些动物的重要性三 重点句型1. It is -\~adj. + (for sb. ) to do sth. 做某事……It is also very hard to take in air as you get near the top. 当你接近山顶时，连呼吸都会困难。

2. … is because … ……是因为……One of the main reasons is because people want to challenge themselves in the face of difficulties. 其中的一个主要的原因是人们想在面临困难时挑战自己3. … show(s) that… ……显示出The spirit of these climbers shows us that we should never give up trying to achieve our dreams. 这些登山者的精神向我们证明：我们永远都不应该放弃实现自己的梦想4. How high/ deep/… is ... ? ……多高/ 深？How high is Qomolangma? 珠穆朗玛峰有多高？5. Although. …, … 虽然……，但是……Although Japan is older than Canada, it is much smaller. 虽然日本比加拿大历史更悠久，但它比加拿大小多了6. sb. spend time/money doing sth.某人花时间/钱做…Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo. 成年大熊猫一天要花12 个多小时的时间吃大约10公斤竹子。

7 Qomolangma is higher than any other mountain in the world.=Qomolangma is the highest mountain in the world.珠穆朗玛峰比世界上其他任何山都高 /珠穆朗玛峰是世界上最高的山峰8 . China has the biggest population in the world.中国在世界上人口数量最多9 . Did you know that China is one of the oldest countries in the world?你知道中国是世界上最古老的国家之一吗？10 Feel free to ask me anything on today’s Great Wall tour.在今天的长城游中，大家尽管问我任何问题，不要拘束11 As far as I know, there are no other man-made objects as big as this就我所知，没有和它一样大的其他人造物体了12 The Himalayas run along the southwestern part of China.喜马拉雅山脉蜿蜒于中国的西南部。

13 . Even more serious difficuhies include freezing weather conditions and heavy storms.更严峻的困难包括极冷的天气条件和巨大的风暴14 This elephant weighs many times more than this panda.这头大象比这只熊猫重许多倍15 . A panda can live up to 20 to 30 years. 熊猫能活20到30年16 Scientists say there are now fewer than 2,000 pandas living in the forests.科学家们说如今生活在森林里的熊猫不足2000只17 The babies often die from illnesses and do not live very long.这些熊猫幼崽经常死于疾病并且活不了多长时间三 重点语法1.A 物体长、宽、高、深的表达法：表示物体的长宽高深时，用“数词+单位名称+形容词（long, deep, high, wide，tall...)等，如one meter tall，一米高；如果数词超过一，单位名称要用复数形式，如1025 meters deep 1025米深； eg.Yao Ming is over two meters high. The small road is about 100 meterslong and 2 meters wide. B 物体的长宽高深还可用“数字+量词（单数）+long/wide/tall/high/deep...等表示，各个词间用连字符连接，常用做复合形式词，作前置定语,后需加名词。

eg:Tom is 2 meters tall.=Tom is a two-meter-tall boy. Qomalangma is 8844 meters high.=Qomalangma is an 8844-meter-high mountain.C 大数的表达与读法1000以上的基数词的表示法：先从右至左数，每三位数加一个逗点（即以此把数目分为若干段）第一个逗点前的数为thousand(千），第二个逗点前的数为million(百万），第三个逗点前的数为billion(十亿）9，883 nine thousand eight hundred and eighty-three.65,359 sixty-five thousand three hundred and fifty nine.265,468 two hundred and sixty-five thousand four hundred and sixty-eight60,263,150 sixty million two hundred and sixty-three thousand one hundred and fifty.注意：hundred后通常要加上连词and，若读数中没有hundred，则在thousand后加andEg:1004 one thousand and four 1054 one thousand and fifty-fourD 形容词副词规则变化表情况词尾变化例词单音节和部分双音节的形容词或副词直接在词尾加er，estsmall,smaller,smallest以-e结尾的词加-r,-stlarge,larger,largest以“辅音字母+-y”结尾的词变y为i,再加-er,-estbusy,busier,busiest结尾时重读闭音节的词双写最后一个辅音字母，-er,-estbig,bigger,biggest多音节或部分双音节形容词原级前加more,mostoutgoing-more outgoing-most outgoingPopular-more popular-most popular由动词+ed/ing构成的形容词原级前加more,mostinteresting-more interesting-most interestingbored-more bored-most bored形容词+后缀-ly构成的副词原级前加more,mostslowly-more slowly-most slowlyhappily-more happily-most happily不规则变化形容词比较级最高级good;wellbetterbestmany;muchmoremostbad;badly;illworseworstlittlelessleastfarfarther/furtherfarthest/furthestoldol。