八年级下学期复习指南（人教版）基础篇Unit 3单元重点知识

八年级下学期复习指南（人教版）基础篇>>UNIT 3重点单词rubbish n.垃圾;废弃物                   fold v.折叠；对折sweep v.(swept)扫；打扫                 floor n.地板 mess n.杂乱；不整洁                    throw v.(threw)扔；掷neither adv.也不                         shirt n.衬衫pass v.给；递；走过；通过               borrow v.借；借用lend v.(lent)借给；借出                   finger n.手指hate v.厌恶；讨厌                       chore n.杂务；乏味无聊的工作while conj.与……同时；当……的时候；而；然而stress n.精神压力；心理负担              waste n.浪费；垃圾 v.浪费；滥用provide v.提供；供应                    anyway adv.而且；加之depend v.依靠；信赖                    develop v.发展；壮大fairness n.公正性;合理性                 since conj.因为；既然 prep.，conj.& adv.从……以后；自……以来neighbor(=neighbour) n.邻居              ill adj.有病;不舒服 drop v.落下；掉下                      fair adj.合理的；公正的unfair adj.不合理的；不公正的           snack n.点心；小吃；快餐independence n.独立                    independent adj.独立的；自主的  重点短语take out the rubbish 倒垃圾              all the time频繁；反复as soon as 一……就……                stay out呆在户外；不在家中in order to目的是；为了               depend on 依靠；信赖a waste of time浪费时间               take care of 照顾；处理重点句型1.Peter，could you please take out the rubbish? 彼得，你能把垃圾倒了吗？2.And she won't be happy if she sees this mess.而且如果她看到这么乱,她会不高兴的。3.Could I at least finish watching this show?至少等我看完这个节目可以吗？4.For one week, she did not do any housework and neither did I.在—周时间里，她没有做任何家务，我也没有做。5.I'll finish my homework while you help me with the dishes.当你帮我洗碗的时候,我会完成家庭作业。6.Could I invite my friends to a party? 我能邀请我的朋友们参加聚会吗？7.They should spend their time on schoolwork in order to get good grades and get into a good university.为了取得好成绩并考入一所好大学，他们应该把时间花在学业上。8.I do not mind doing them.我不介意做它们（家务）。9.Since they live in one house with their parents，they should know that everyone should do their part in keeping it clean and tidy.既然他们和父母生活在同一所房子里，他们就应该知道每个人都应该为保持房屋的干净和整洁尽一份力。10.The earlier kids learn to be independent，the better it is for their future.孩子们越早学会独立，对他们的未来就越好。 单元重点语法情态动词could的用法情态动词could构成的句型用于向对方委婉地提出请求或征求对方的许可。用于疑问句中，可代替can，在时间上与can没有区别，但语气要比can委婉、有礼貌。其答语没有固定的形式，但要符合上下文的语境。1.委婉地请求别人做某事(1)句型：“Could you do…?/Could you please do…?”意为“你能……吗?”或“请问你能……吗?”(2)对这种提出请求的句子的回答：①肯定回答：Certainly./Of course./With pleasure./No problem./Yes，sure.②否定回答：No，I can't./Certainly not./No，I'm afraid I can't.例句:—Could you please make your bed? 你能整理你的床铺吗？—Yes，sure.好的，当然可以。—Could you please clean the living room? 请问你能打扫起居室吗？—Sorry，I can't. I have to do my homework now.抱歉，我不能。我现在必须做作业。2.委婉地请求别人允许自己做某事(1)句型“Could I do…？”意为“我可以做……吗？”(2)对这种征求许可的句子的回答：①肯定回答：Yes, you can./Certainly./Yes, sure.②否定回答：No, you can't./No, I'm afraid you can't.例句:—Could I go to the movies? 我可以去看电影吗？—Yes，you can.是的，可以。—Could I go shopping with my friend tomorrow, Mom?妈妈，我明天可以和朋友去逛街吗？—No, you can't. You should take your piano lessons.不行，你要上钢琴课。无论是“Could you please…?”还是“Could I…?”句型，其答语中一般都避免使用could来回答。表示请求、征求许可的其他句型：Will/Would you please do…? 请问你能……吗？