(完整版)人教版八年级上册英语unit3知识点及习题 Unit3I'm more outgoing than my sister. 一、重点短语 1.more outgoing更外向 2.As…as…与…一样… 3.the singing competition唱歌比赛 4.be similar to与…相像的/类似的 5.the same as和…相同；与…一致 6.be different from与…不同 7.care about关心；介意8.be like a mirror像一面镜子 9.the most important最重要的10.as long as只要；既然 11.bring out使显现；使表现出12.get better grades取得更好的成绩13.reach for伸手取14.in fact事实上；实际上 15.make friends交朋友16.the other其他的 17.touch one’s heart感动某人18.be talented in music有音乐天赋 19.be good at擅长…20.be good with善于与…相处 21. have fun doing sth.享受做某事的乐趣22.be good at doing sth擅长做某事23.make sb.do sth.让某人做某事24.want to do sth.想要做某事 25.as+adj./adv.的原级+as与…一样… 26.It’s+adj.+for sb.to do sth.对某人来说，做某事……的。
二、重点句子 1.He has shorte r hair than Sam. 他的头发比萨姆的短 1）比较级，表示“较……”或“更……”的意思（两者之间进行比较）, 标志词than, A or B, of the two, 修饰词much,a lot, a little，even； 注意：进行比较的人和物必须是同一类 His hair is shorter than Sam’s. 他的头发比萨姆的短 This book is more interesting than that one.这本书比那本书有趣 2)①“比较级＋and＋比较级”意为“越来越……” It’s getting better and better. ②多音节比较级用“more and more＋形容词原级”形式意为越来越….如： The group became more and more popular. ③the+比较级，the+比较级，意为越…越… The more I read the book，the more I liked it．这本书我越看越喜欢。
形容词和副词的比较级和最高级规则变化： ●规则变化 ①一般在词尾加-er或-est high- high er- high est short- shorter- shortest ②以字母e词尾的词，加-r或-st late- later- latest fine- finer- finest ③重读闭音节词词尾只有一个辅音字母时，先双写辅音字母，再加-er或-est Hot- hotter- hottest thin- thinner- thinnest fat- fatter- fattest ④以“辅音字母+y”结尾的双音节词，先把“y”改为“i”，再加-er或-est Funny- funnier- funniest easy- easier- easiest early-earlier-earliest ⑤在词前加more或most beautiful-more beautiful – most beautiful Outgoing- more outgoing – most outgoing athletic- more athletic – most athletic ●不规则变化 good/well- better-best bad/badly-worse-worst many/much-more-most little-less-least far -farther(更远)-farthest(最远) -further(更深远)-furthest(最深远) 2.反意疑问句 ①肯定陈述句＋否定提问如：Lily is a student, isn’t she? Lily will go to China, won’t she? ①否定陈述句＋肯定提问如：She doesn’t come from China, does she? You haven’t finished homework, have you? ①提问部分用代词而不用名词如：Lily is a student, isn’t she? ①陈述句中含有否定意义的词，如little, few, never, nothing, hardly等。
其反 意疑问句用肯定式 如：He knows little English, does he?他一点也不懂英语，不是吗？ They hardly understood it, did they? 他们几乎不明白，不是吗？ 3.be similar to...意为“与......相似”注意与be the same as 区别)如： My pen is similar to yours. 我的钢笔和你的相似 4.Tara works as hard as Tina. 塔拉学习跟蒂娜一样努力 1）...not as + 形容词或副词原级+ as...表示双方在某个方面不同如： His English is not as good as hers. 他英语不如她的好 He doesn’t work as hard as his brother. 他没有他哥哥工作努力 2）as + 形容词或副词原级+ as 表示双方在某个方面一样如： She is as tall as me. 她跟我一样高 I run as fast as he does. 我跑得跟他一样快。
5.辨析beat/win 相同点：都是动词，表示“赢” 不同：beat+人/win+比赛，竞赛，战争等名词如： We played very well, and beat them. 我们发挥得很好，击败了他们 They won the match this time. 这次他们赢了这场比赛 6.care about意为“关心；在意”，期中care是动词如： We should care about the old people.我们应该关心老年人 care for表示“喜欢”，“关心”之意，后接名词或v-ing形式作宾语，take care of Unit3I'm more outgoing than my sister. 一、重点短语 1.more outgoing更外向 2.As…as…与…一样… 3.the singing competition唱歌比赛 4.be similar to与…相像的/类似的 5.the same as和…相同；与…一致 6.be different from与…不同 7.care about关心；介意8.be like a mirror像一面镜子 9.the most important最重要的10.as long as只要；既然 11.bring out使显现；使表现出12.get better grades取得更好的成绩13.reach for伸手取14.in fact事实上；实际上 15.make friends交朋友16.the other其他的 17.touch one’s heart感动某人18.be talented in music有音乐天赋 19.be good at擅长…20.be good with善于与…相处 21. have fun doing sth.享受做某事的乐趣22.be good at doing sth擅长做某事23.make sb.do sth.让某人做某事24.want to do sth.想要做某事 25.as+adj./adv.的原级+as与…一样… 26.It’s+adj.+for sb.to do sth.对某人来说，做某事……的。
二、重点句子 1.He has shorte r hair than Sam. 他的头发比萨姆的短 1）比较级，表示“较……”或“更……”的意思（两者之间进行比较）, 标志词than, A or B, of the two, 修饰词much,a lot, a little，even； 注意：进行比较的人和物必须是同一类 His hair is shorter than Sam’s. 他的头发比萨姆的短 This book is more interesting than that one.这本书比那本书有趣 2)①“比较级＋and＋比较级”意为“越来越……” It’s getting better and better. ②多音节比较级用“more and more＋形容词原级”形式意为越来越….如： The group became more and more popular. ③the+比较级，the+比较级，意为越…越… The more I read the book，the more I liked it．这本书我越看越喜欢。
形容词和副词的比较级和最高级规则变化： ●规则变化 ①一般在词尾加-er或-est high- high er- high est short- shorter- shortest ②以字母e词尾的词，加-r或-st late- later- latest fine- finer- finest ③重读闭音节词词尾只有一个辅音字母时，先双写辅音字母，再加-er或-est Hot- hotter- hottest thin- thinner- thinnest fat- fatter- fattest ④以“辅音字母+y”结尾的双音节词，先把“y”改为“i”，再加-er或-est Funny- funnie。