Unit3知识点整理+习题2022-2023学年人教版八年级英语下册

Unit 3 Could you please clean your room? ★★必背单词 borrow .借；借用 lend .借给；借出 waste .浪费；滥用 result .后果；结果 develop .发展；壮大 since .从……以后；自……以来 while .在……期间；当……的时候 fold .折叠；对折 ★要求会认的单词 rubbish .垃圾；废弃物 floor . 地板 throw .扔；掷 neither .也不 finger .手指 fair . 合理的 pass .给；递 mess .杂乱；不整洁 2 ★★★必背短语 1. as a result 结果 2. the + 比较级， the + 比较级 “越...... 越..... as...as ... 和......一样...... 3. depend on 依靠；信赖 4. in order to do sth 为了做某事 5. make sb. do sth 让某人做某事 6. finish doing sth 完成某事 7. in surprise 惊奇地；吃惊地 to one’s surprise 使某人吃惊的是 be surprised at 对……感到吃惊 8. at least 至少 at most 至少，不超过 ★★★知识点： 1.take 的短语: take out取出 take a walk 散步 take away 拿走，取走 take back 收回 take place 发生 take off 脱下； 起飞 take a rest 休息 take care of 照顾 take up 占据 take down 拿下 take one’s time 不急；慢慢来 take one’s temperature 量体温 2. in front of指在物体外部的前面in the front of指在物体内部的前面 at table 吃饭；进餐 at the tabel 在桌边 in hospital 住院 in the hospital 在医院（不一定看病） 3. 【解析】borrow /lend/keep (1)borrow 借入 ,与from 连用，尤指主语“【借进来”】 borrow sth from sb. 从某人那里借某物 You can borrow the book from the library. (2)lend 借出 ,与to 搭配 【指借出去】 lend sb sth=lend sth to sb 把某物借给某人He doesn’t want to lend his book to others. (3)keep 保留，保存（延续动词，可以与表示一段时间的状语连用）【指借一段时间】 4. 【解析】 spend/pay/cost/take 花费 (1)spend→spent→spent v 花费,主语是人 ◆ sb.+ spend +时间/钱+on sth ◆sb. +spend +时间/钱+（in） doing sth (2) pay →paid →paid v 支付，主语是人 ◆sb.+ pay + 钱+for sth 例： I pay 10 yuan for the book. (3) cost→ cost→ cost v 花费，主语是某物或某事 ◆sth cost sb. +钱 某物花费某人多少钱 A new computer costs me a lot of money. (4)take→took → taken v 花费 ◆It takes /took sb. some time to do sth.做某事花费某人多长时间例：It takes him 3 hours to do his homework. 5.【解析】provide sth. for sb. 为某人提供某物 provide 为应急等做好准备而“提供； 供给” provide sb. with sth. =provide sth for sb.提供某人某物 offer 侧重表示“愿意给予” offer sb. sth. = offer sth to sb.对某人提供某物 offer to do sth 主动提出干某事 supply 定期“供应” , 强调替代或补充所需物品 Supply sb. with s