八年级（下册） Units 3_4-【一战成名新中考】2024陕西中考英语·精讲册优质课件PPT（人教版）

第一部分 教材知识精讲练 八年级（下） Units 3~4 陕西英语 英语 1 考点1 辨析borrow, lend, keep与return Can I borrow that book?（Unit 3 P20） 辨析 含义 常用结构/用法 borrow（非延续） 借入 borrow sth. from sb. 向某人借某物 lend［lent→lent］（非 延续） 借出 lend sb. sth.=lend sth. to sb. 把某物 借给某人 keep［kept→kept］（延 续） 借（多 久） 可与“for+一段时间”或how long连用 return 归还 return sth. to sb. 将某物还给某人 2 keep return lend borrow 1.John _____ his basketball to me last weekend because mine was lost. 2.He refused to ________ money from his friend. He wanted to look for a part-time job. 3.I have ______ the magazine for about half a month. It's time to give it back. lent borrow kept 3 4.Don't forget to _______ the pen to Anna in time because she only has one pen. 5.我可以借这本字典多久？ How long can I _______________________? return keep this/the dictionary 4 考点2 waste的用法 Housework is a waste of their time. （Unit 3 P22） 词性 含义及用法 常见短语及搭配 动词 意为“浪费,滥用”。 waste sth.（time/money…） on sth. 在……上浪费某物（时间/金钱……） waste sth.（time/money…）（in） doing sth. 浪费某物（时间/金钱……）做某事 5 词性 含义及用法 常见短语及搭配 名词 意为“浪费”,是不可数名 词,但可跟不定冠词连 用。 a waste of浪费…… It's a waste of … doing sth. 做某事是浪 费…… 意为“垃圾”,是不可数名 词。 kitchen waste 厨余垃圾 形容 词 意为“废弃的;无用的”。 waste paper废纸 waste water废水；污水 续表 6 6.If you give up your dream now, your early efforts will be ________ （waste）. 7.Students shouldn't waste too much time ________（play） online games. 8.食物浪费仍然是全世界的一个大问题。 ____________ remains a big problem around the world. 9.不要把废纸扔了。我们可以回收再利用。 Don't throw away the _____________. We can recycle and reuse it. wasted playing Food waste waste paper 7 10.不要把时间浪费在智能手机上，否则总有一天你会后悔的。 Don't waste your time __________________________, or you'll regret one day. on smartphones/cell phones 考点3 Why don't you do…?/Why not do…?句型 Why don't you talk to your parents?（Unit 4 P25） Why don't you do sth.?=Why not do sth.? 意为“（你/你们）为什么不做某事?”, 常用来向对方提出建议。其常用答 语如下： ►肯定回答：Good idea./OK!/Sounds good./That sounds great./All right./I'd love to./Certainly./Of course./Sure.等。 ►否定回答：Sounds bad./That sounds terrible./I'm afraid not./I don't think so./I don't think it's a good idea./Sorry, I can't.等。 9 11.为什么不试着在学校多交些朋友呢?不要害羞。 Why not ____ making more friends at your school? Don't be shy. 12.A: Why don't you ask Miss Liu for help? She is friendly to everyone. B: ________________________________! I'll go and ask her. 13.why, not, go, sleep, earlier, this evening（连词成句） _______________________________________? try Good idea/OK/That sounds great Why not go to sleep earlier this evening 10 考点4 allow的用法（2017.28） My parents don't allow me to hang out with my friends. （Unit 4 P25） 如： We don't allow eating here. 我们不允许在这儿吃东西。 He is not allowed to smoke in the room. 他不被允许在房间抽烟。 11 14.If Mary finishes the job on time, she will be ________（allow） to have two weeks off. 15.大多数父母不允许他们的孩子在外面待得太晚。 Most parents don't allow their children ____________ too late. allowed to stay out 12 考点5 辨析instead与instead of Instead he watches whatever he wants until late at night. （Unit 4 P27） 辨析 含义及用法 例句 instead 副词，意为“代替；反而； 却”，修饰整个句子，位于 句首或句末。 Tom was ill, so I went instead. 汤姆生病了，所以我去 了。 instead of 介词短语，意为“代替，而 不是”，后面跟名词、代词 或动名词。 Let's play chess instead of watching TV. 让我们来下国际象 棋，而不是看电视。 13 16.I think we can save money by cooking meals at home instead of _______（eat） outside. eating 14 instead instead of 17.Anna will work out the problem by herself ___________ asking her parents for help. 18.Don't give up. ________, you should try to find a better solution. 19.It's sunny. Let's go shopping ___________ sleeping at home. 20.Look at what you already have ___________ paying attention to what you are short of. instead of Instead instead of instead of 15 考点6 continue的用法 In some families, competition starts very young and continues until the kids get older. （Unit 4 P30） continue作不及物动词,意为“持续, 继续存在”, 相当于go on。常用作及 物动词, 用法如下： ►continue to do sth.=go on to do sth. 指继续做另外一件事。如：I hope I can continue to make progress next year. 我希望我明年继续取得进步。 ►continue doing sth.=go on doing sth. 指继续做同一件事。 16 21.Lucy was very tired, but she __________（continue） her work till midnight. 22.Nancy knows the importance of English, so she will continue _________（learn）it until she gets good grades. continued learning 23.虽然袁隆平已经过世了, 但他的精神将继续影响着我们。 Although Yuan Longping has passed away, his spirit will continue ___________ us. influencing 17 考点7 compare的用法 And they are always comparing them with other children. （Unit 4 P30） 辨析 含义及用法 compare…with… 把……和……比较（常表示同类相比，比较）， 如： compare_____________with____________ compare…to… 把……比作……（常表示异类相比，比喻），如： compare____________________to__________ 18 24.Our country is always compared ___ a big family.（盲填） 25.If you always compare yourself ______ others, you may have tons of pressure.（盲填） 26.poets, often, compare, life, journey（连词成句） ____________________________________. to with Poets often compare life to a journey 19 1.情态动词（could表礼貌请求和允许）（讲解见本书P73） 2.Why don't you…?句型（讲解见本书P44） 3.连词（until, so that和although）（讲解见本书P143） 20 $$