Unit 4 Save the trees 单元讲义 2023-2024学年 沪教牛津版 七年级英语下册

Unit 4 Save the trees 单元讲义 2023-2024学年 牛津深圳版 七年级英语下册 I. Words and expressions 1. 不规则动词表 fight-fought-fought dig-dug-dug take-took-taken come-came-come read-read-read(【red】) learn-learned/learnt-learned/learnt know-knew-known keep-kept-kept make-made-made get-got-got/gotten leave-left-left cut-cut-cut give-gave-given 2. 重点词汇及短语 (1) save (v.) 拯救 (save one’s life 救了某人的命); 积攒 (save money 攒钱) (2) safe (adj.)安全的—safety(n.) 安全 (3) discuss(v.) = talk about 讨论—discussion(n.) 讨论 (4) fight against 与……作斗争 (against=do not agree 反对) (5) for example 例如(后接“,”) (5) harmful(adj.) 有害的—(opp.) harmless(adj.) 无害的—harm(n.) 害处 (6) gas(n.)—gases(pl.) 气体(solid 固体/ liquid 液体) (8) produce(v.)生产—product(n.) 产品 (9) oxygen(U.C.:不可数名词) 氧气 (10) furniture ( U.C.:不可数名词)家具 (11) imagine (v.)想象—imagination(n.) (12) container(n.) 容器—contain(v.) 包括 (13) take in = absorb 吸收 (14)come from = be from 来自 (15) in fact 事实上= actually (16)look around = look here and there 环顾四周 (17) be made of + 可视材料：由……制成/ be made from + 不可视材料：由……制成 (18) millions of 数以百万计/thousands of 数以千计/ hundreds of 数以百计/ billions of 数以十亿计 (19) be bad for = do harm to = be harmful to 对……有害处—(opp.) be good for/ do good to 对……有好处 (20) know about 了解（已经了解）/ learn about 了解(要去了解) (21) want to do =would like to do =feel like doing (22) help sb. (to)do sth. 帮某人做某事/ help sb. with sth. 在某方面帮助某人 (23) interview sb. about sth. 就……采访某人 (24) keep sth. / sb. +adj. 使某事物/某人保持……. (25) air/water/noise/white pollution 空气/水/噪音/白色污染 (26) make sb. / sth. +adj. 使某人/某事物……. (27) many of +n.(pl.) 许多…… (28) daily life 日常生活 (29) get sth. from sb. 从某人那里得到某物 (30) fruit 水果/ oil 油/ tea 茶—(U.C.:不可数名词) (31) stop doing sth. 停止做某事/ stop to do sth. 停下来去做某事 (32) cut down trees 砍树 II. Grammar: The present continuous tense 现在进行时 1. 结构：be(am/is/are)+doing 2. 动词ing形式： (1)直接+ing，如：do—doing go –going (2)去掉不发音的e，再加ing: come—coming write—writing skate—skating (3)重读闭音节结尾，且辅+元+辅结尾的动词，双写最后一个字母，再加ing: sit—sitting begin—begi