Unit 8 知识点 2022-2023学年冀教版八年级英语下册

冀教版英语Unit8知识点与习题 Lesson43-----Lesson45 1. attention 用作不可数名词，意为注意，留心，常见搭配有： sb’s attention is on sb./sth.某人的注意力在某人/某物上 pay attention to 留心，注意 give attention to 关注 draw one’s attentiom 引起……的注意 Eg:1.My attention was not really the game. 2.He pays all his attention what the teacher is saying. 3.As a society we need to give more attention the needs of older people. 4.His voice my attention. 2.pollution 为不可数名词，意为污染 air/noise/water/light pollution 空气/噪声/水/光污染 词形变换：polluted形容词：受污染的 pollute动词：污染 Eg:The (空气污染)is harmful to our earth. 3.explain既可作及物动词，也可做不及物动词，意为解释，说明。常用语短语explain sth. to sb. 向某人解释某事 explain后还可跟that从句 Eg:I the situation to my teacher. 4. pick up属于动词+副词型短语，意为“动词+副词”型短语，意为捡起，拿起。名词作其宾语时，放在up之前或之后均可；代词作其宾语时，必须放在pick和up之间。 Eg:1.He picked up the letter.= 2.There is a piece of paper on the floor. (请把它捡起来) 拓展延伸：pick up ①(开车)接人 I’ll (接你) at the station. ②收拾，整理 your room before you go out. 5. a bit of 一点儿 修饰不可数名词，有时可与a little 互换 a bit 有点儿 修饰形容词，副词原级或比较级，可以与a little 互换 a little 一点儿，有点儿，修饰不可数名词；修饰形容词，副词原级或比较级 Eg:We have / (一点儿) homework to do . The dress is / （有点儿）more expensive than that one. He looks / (有点儿) tired. 6. least 是little 的最高级，意为“最少的（地），最小的（地）”，其反义词为most. Eg:He is the best teacher,even though he has the (little) experience. 拓展延伸：at least 不少于，至少，起码 Eg:It will take you (至少) 20 minutes to get there. 7. waste(1)用作动词，意为浪费（金钱、时间、精力等） ①waste time/momey on sth. 把……浪费在…… ②waste time/money (in) doing sth 浪费……做某事 Eg:I don’t think we need waste much time this matter. We wasted a whole afternoon (try) to repair the car. (2) waste用作名字，表示（金钱或技能等的）浪费时，为不可数名词，但常和冠词a 连用，后常加介词of. It’s a waste of time to do sth. waset也可用来表示“废料，废弃物” Eg:We shouldn’t go to the party,because it s a of time. How much of our household (废弃物) is recycled? 8. throw away表示扔掉，是“动词+副词”型短语。 Eg:Th