Module 12 Save our world 知识点讲解+精选精练 2023-2024学年外研版英语九年级上册

Module 12 Save our world 知识点讲解 1.单词表重点词组 throw away 扔掉;丢弃 tons of 许多;很多 2.课文重点词组 spread over 遍布,覆盖 do with 处理 divide…into… 把……分成…… take steps 采取措施,开始行动 try one's best to do sth 尽某人最大努力做某事 3.重点语法 构词法 1、 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= lifetime(一生) (2)动词+名词:play+ ground= playground(操场) watch+ tower=watchtower(瞭望塔) (3)形容词+名词: short+hand= shorthand(速记) black+ board=blackboard(黑板) (4)介词+名词:over+coat= overcoat(大衣) after+noon= afternoon(下午) (5)副词+名词:out+side= outside(外面)down+ stairs= downstairs(楼下) 2、 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 unhappy, unfinished, undress dis- disagree , disbelieve dislike in- , il-(在字母l前)，im- (在字母m,b,p前)，ir- (在字母r前) ： inaccurate， illegible， impolite imbalance， irregular mis- mistake misbehave mislead b.表示其他意义的前缀 en- “使……”encourage enrich enlarge inter- “相互” international intercontinental re- “再，又，重” recycle rethink retell tele- “远程的” telephone telescope telegraph auto- “自动的”automobile automatic micro- “极小的，微小的” microcomputer, microwave self- “自己，本身” self-centered , self-confident , self-control under- “在……下面，……下的，不足的” underground, underline, underestimate 2. 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”Chinese, 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, translation -ance/ ence “抽象;行为、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, boredom -age “状态，行为，身份及其结果”courage, storage, marriage b . 动