2020九年级英语上册Module12Saveourworld重点难点易错点.docx

《2020九年级英语上册Module12Saveourworld重点难点易错点.docx》由会员分享，可在线阅读，更多相关《2020九年级英语上册Module12Saveourworld重点难点易错点.docx（6页珍藏版）》请在得力文库 - 分享文档赚钱的网站上搜索。

1、Save our world教学目标：重点一、重点短语1.熟练掌握重点单词、词组的用法；（重点单词，短语，单兀：1. spread over 遍布，覆盖 2. cause pollution 造成污染 3. be worried about 为担忧 4. so rr8. nice idea 好主意 9. save energy 节约能源 10. students in poor areas 贫困地区的学生2.构词法。句子等）1. ridel, ride a bike 2. turn off 关上（水、电）3. ask for sth.要求得到某物 4. a plastic bag 一个塑料:丢

2、弃Module 128. be harmful to 对有害 9. as long as possible 尽可能长时间的 10. look after 照看，照顾 11. so t东西Save our world14. tons of许多;很多15. take steps采取措施，开始行动16. draw up制定，起草单元三：1. clean up 打扫，清扫 2. in such a short time 在如此短的时间 3. pay attention to 注意 4. in 好处7. try ones best to do sth.尽某人最大努力做某事8. notany more不再

3、二、重点句型Lit s no use doing sth做某事是没有用的Its no use talking about things we cant do.谈论我们不能做的事情是没有用的。8. 含有情态动词的被动语态At a green school, every class collects waste which can be recycled or used again.在绿色学校里，集9. though引导的让步状语从句Though pollution is heavy now, Idon， t think its hopeless.尽管现在污染很严重，（但）我认为它并不是无10.

4、if引导的条件状语从句If everyone starts to do something, the world will be saved.如果每个人都开始做一些事情，世界将会初11. 使句的否定形式Do not waste things.不要浪费东西。Do not order more food than you can finish不要点多于你能吃完的食物。难点构词法一、合成法将两个或两个以上独立且语义不同的单词合在一起构成新词的方法叫作合成法（1）名词+名词 basket+ball= basketbal（篮球）life+time二 lifetime（一生）（2）动词+名词:play+

5、ground= playground（操场）watch+ tower=watchtower（了望塔）（3）形容词+名词:short+hand= shorthand （速记）black+ board:blackboard （黑板）（4）介词+名词：ovcr+coat= overcoat （大衣）aftcr+noon= afternoon （下午）（5）副词+名词：out+side= outside（外面）down + stairs= downstairs（楼下）二、派生法通过在词根前加前缀或在词根后加后缀构成新词的方法叫做派生法。1 .前缀法a.表示否定意义的前缀un- unfair unhap

6、py, unfinished, undressdis- disagree , disbelieve dislikein- , il-（在字母 1 前），im-（在字母 m, b, p 前），ir-（在字母 r 前）：inaccurate, illegible, impol: mis- mistake misbehave misleadb.表示其他意义的前缀en- 使encourage enrich enlargeinter-“相互 international intercontinentalre-“再，又，重 recycle rethink retelltele- “远程的 telephone

7、 telescope telegraphauto-自动的 automobile automaticmicro- “极小的，微小的 microcomputer, microwaveself-自己，本身 self-centered , self-confident , self-controlunder- 在下面，下的，不足的underground, underline, underestimate2 .后缀法a .名词后缀-er / or ”表人或用具“ farmer, baker, visitor, professor, cooker, container-ese “某国（人）的 “ Chin

8、ese, Japanese-ian ”某国、某地人；精通的人 musician, Asian, Russian, technician-ist “某种主义或职业者 physicist, scientist, communist, socialist-ess “表女性，雌性 hostess, actress, princess-ment 行为或其状态 government, movement, achievement-ness “性质，状态illness, sadness, carelessness-tion 动作，过程，结果“invention, organization, translati

9、on-ance/ ence ”抽象;彳亍为、，性质、 状态importance, appearance, absence, existence-th ”性质、情况” depth, warmth, truth-ful “（满的）量 handful, spoonful, mouthful-（a）bility “抽象、性质、状态possibility, disability, reliability-al ”过程、状态 survival, arrival, approval-y “性质、情况” modesty, delivery, honesty-dom ”处于状态；性质 freedom, bore

10、dom-age ”状态，行为，身份及其结果” courage, storage, marriageb .动词后缀-fy / ify 使得；变得” simplify, beautify, purify-en 使成为；变得“ shorten, deepen, sadden-ize ”使成为 apologize, realize, specializec.形容词后缀-able 可的，具有的 acceptable, drinkable, knowledgeable , reasonable-al ”与有关的 physical, magical, political-an ”属于某地方的人 Americ

11、an African-ern “方向southern, northern, eastern-ful/ less （没）有的helpful, useful, homeless, hopeless-ish ”如的；有特征的“ foolish childish selfish-ive ”有倾向的“active attractive expensive-en ”由制成的 golden wooden woolen-ous “有（性质）的 famous, dangerous, poisonously ”有性质的friendly yearly daily-y ”构成形容词 noisy dusty cloud

12、yd.副词后缀-ly 方式，程度 freely, truly, angrily-ward (s) “向” towards, forward, upwardsc.数词后缀-teen 十几 fifteen, eighteen, thirteen-ty “整十位数 forty, fifty, sixty-th “序数词 fifteenth, twentieth三、转化法把一种词性用作另一种词性而词形不变的方法叫作转化法。（1）动词一名词drink （喝）f drink （饮料）smoke （抽烟）一smoke （烟）（2）名词一动词show（展览）-show（展示）water（水）-water（给浇

13、水（3）形容词一动词s 10W （缓慢的）一s 1OW （减慢）warm （温暖的）一一warm （使温暖）习题训练1. Tn general, Chopin is a（piano） of great abi lity2. With the(develop) of technology, the journey to Mars might only take about 20 minutes3. At present Chinese is(wide) used around the world.4. It is(polite) to stare at anyone or to talk lou

14、dly in public.5. He is a( n)( honest) boy so we seldom believe what he says.单项选择6. The Golden Gate Bridge is a famous landmark in SanFrancisco, the USA. Which of the following 、A unpleasant B useless C summertime D surprising7. The mountain I visited last Sunday isn t very.Fewgo sightseeing thereA.

15、tourist tourists B. touristy: tourist C. touristy tourists D. tourist tourist解析：1. pianist 2. development 3. widely 4. impolite 5. dishonest 6-7 CC考法1形容词辨析2. Why did she get so mad? It was only ajoke.A hopeless B hopeful C. harmless D. harmful考法2动词辨析3. -Jenny, I hear there will be an art club in our

16、 school.Wonderful! I can, t wait to it.A. repeat B. forget C. receive D join考法3动词短语辨析3. In our daily life, we must learn to ourselves well at any time. Its as important as st,A. deal with B worry about C. look after考法4固定结构4. -T m sorry to have kept you for such a long time.It doesn, t matter.A wait

17、B. waiting C. to wait考法5短语运用5. 吃太多盐对我们的健康不利。(no good for)(用括号内所给的短语将句子翻译成英语)考法6构词法用所给单词的适当形式填空6. We should be(friend) to others at any time.7. After class, children went out of their classroom to enjoy the(warm) of the sun.8. Everyone should behavein public (polite).解析：1-4 CDCB5. Eating too much salt is no good for our healthy.6. friendly 7. warmth 8. politely.