八年级英语下册--unit 2 课文重难点讲解.doc

三一教育 知识点燃梦想 成就小初高高效培优教育第一品牌 2014八年级下Unit2 Ill help to clean up the city parks1. 如此“弄干净的” clean up 宾语是代词时放中间： clean it up. pick up get up wake up grow up set up give up turn up eat up stay up.2. clear 为你“喝彩” 宾语是代词时放中间： cheer him up. 3. 不一样的“give”give out 分发，散发 give away 捐赠，送掉。give back 归还 give off 发出（光，蒸汽）等give up 放弃 give in 投降，让步4. 多样的“志愿 volunteer volunteer to do sth ; volunteer for sth.5. help用法集结help out 帮助解决难题help sb.(to) do sth=help sb with sth.help doing sth: 情不自禁help oneself to sth: 自用食物等with the help of sb.=with ones help 在某人的帮助下6. 要talk就多方位“说”talk to sb. 和某人说 talk of sth./sb. 谈及某人talk about sth. 谈论，议论 talk over 商讨，商量7. lonely, alone与lone一样“孤独”吗？ lonly: 1)主观上感到孤独，有悲伤忧郁的情感，有较浓的感情色彩,可用very修饰: very lonly : Most of time, were together, so we never feel lonely. 2)作定语时意为“荒凉的,偏避的”： lonely island alone: 相当于by oneself/without others: 表语，副词，不能用very修饰,而用much: much alone/very much alone/all alone. When the baby woke up, he found himself alone. lone: 形容词作定语，意为“孤独的，无伴的，孤零零的一个”： In that cloudy sky only one lone star could be seen.8. 多多“关心”care.care for=look after 照顾 care about 关心, 关注take care (not) to do sth. 当心(别).9. several“有几个”+可数名词复数。some: “一些” +可数名词复数/不可数名词a little: “有一点点” +不可数名词a few: “有一点点” +可数名词复数little: “很少，几乎没有” +不可数名词few: “很少，几乎没有” +可数名词复数10. 要想“学“好这样learnlearn sth. 学习某物 learn to do sth. 学会做某事learn about得知，学到 learn from sb. 向某人学习11. such 与so 一样“如此”吗？ so修饰形容词/副词 such修饰名词(可数/不可数)。注意： 1)such 前面有no时，必须去不定冠词a(n): no such=not such a(an): I have no such book=I dont have such a book. 2)形容词+名词单数时，既可用such,也可用so,但冠词位置不同： such a beautiful flower=so beautiful a flower. 3)名词前有few, many, little,much等修饰时，用so: so much money12. “尽量”去try try out 尝试，试验 try on 试穿 have a try 试一试 try sth. 试/品尝某物 try to do sth. 设法做某事，千方百计做某事。表示一种决心。 try doing sth. 试着做某事。表示一种尝试13. put与副词小聚 put up 张贴 put away 把.收好 put down记下 put out熄来 put off推迟 put on穿上14. 不同的形式一样的忙碌 be busy with sth “忙于(做)某事” My mother is busy with housework. be busy doing sth “忙于做某事” My mother is busy doing the housework. 15. 名词后+lee意味着什么？ hopeless无希望的 careless粗心的 useless无用的 helpless无助的 16.“像”就一样吗？ a)take after: 在言行，面貌, 性格等方面像长辈：Mary takes after her mother, and shes always cheerful. b)look like 只指外表上“看起来像”: You look like your father very much. c)be like:“像”。对像是人时，侧重品质，性格等方面。 4)the same as.”与.一样”(注意：同类事物): My book is the same as hers. 17. “修理”方法知多少。fix”安装”: 多用于美式英语中，有时可与repair互换repair: 多指需要专业技术知识才能进行的修理工作。Mend:多指缝补(衣服，袜子等)，不需要专业技术知识就可以做到的。不能和repair替换。18.“为什么”感谢 thank sb.for sth.=thank sb. for doing sth.=thank for sth I must thank you for your help. Thank you for helping me. Thanks for showing me your photos. 19. 制造不同就“有作用” make a (great/big.) difference to “对.有作用/影响” make (many/few.) differences to His words made many differences to me.20. 有“困难”请找difficulty have difficulty (in) doing sth. “费力做某事” 21. 不同的“拿取”法 carry: “搬，拿, 扛，提” 。带过来或带过去，没有特定方向性。 bring: “带来，拿来” . 指从别处把某物/人“带来” take: “带走”. 指从这里把某物/人“带走” get: “去取来”. 指一去一来。22. 多样化的“训练” train train sb/sth to do sth. 训练某人/物做某事。The police trained these dogs to detect explosives. train for: 为.进行训练。 John spends two hours in training for the race. train sb/sth in.: 在.中培训某人： He trained his son in the basketball team. train as+名词： 训练成为.: He was trained as a jumper when he was young. 23. excited 使人感到兴奋。 excited: 兴奋的。主语是人。 Be/feel excited about sth=be/feel excited to do sth. exciting: 令人兴奋的。主语是物。 This is an exciting film.surprisedsurprising interestedinteresting boredboring satisfied-satisfying24. “仁慈”的kindnessIllness, sickness, sadness, happness,carelessness.25. run out of=used up； run out;： 人还是物“用完”傻傻分得清楚 sb. run out of sth.=sb used up sth. sth run out. 26. would like好“想要” would like sth. would like to do sth would like sb. to do sth.27. 巧记不定式作宾补省略to的动词（不包括被动语态）：I made them (to省略) give me the money back. He was made to work from morning till night. 三眼： see, watch, notice 两耳： hear, listen to 一感觉：feel 外加 三个小使役：make, let, have 28. sick, ill: ill只作表语，不可作定语；sick:表语或定语：He is sick/ill. He is a sick(不能用ill) man. 29. be used to doing. 习惯于. vbe used to do 被用于. used