Unit 2 Section B 复习课件 2023-2024学年人教版八年级英语上册

Unit 2 How often do you exercis Section B 八 英语 上册 年级 人教版 1 重点词句运用 1. She says it’s good for my health. 她说它有益于我的健康。 be good后接不同的介词,表达的意思也不同。 【辨析】be good for、be good at、be good to和be good with be good for 意为“对……有益”,后接名词、代词、动名词等 be good at 意为“擅长……”,相当于do well in,其后接名词、代词、动名词 be good to 意为“对……好”,相当于be friendly to be good with 意为“与……相处得好” 知识讲解 2 例如: Eating more vegetables is good for your health. 多吃蔬菜对你的健康有好处。 I’m good at chess. =I’m good at playing chess. 我擅长下象棋。 Parents are always good to their children. 父母总是对他们的孩子好。 He is very good with the children. 他与孩子们相处得很好。 知识讲解 【经典习题】根据汉语提示完成句子,每空一词。 1. 步行有益健康。 Walking _ _ _ your health. is good for 知识讲解 4 Ten percent of the bananas are bad. 这些香蕉中有百分之十是坏的。 Forty percent of it is water. 它有40%是由水构成的。 2. We found that only fifteen percent of our students exercise every day. 我们发现只有百分之十五的学生会每天锻炼。 fifteen percent of our students是“数词+percent of+名词”结构,意为“……当中的百分之……”。当其作主语时,谓语动词的单复数形式取决于of后面的名词或代词,即“of+复数名词/复数代词”,谓语动词用复数;“of+单数名词/单数代词/不可数名词”,谓语动词用单数。例如: 知识讲解 【经典习题】单项填空。 ( )1. Seventy percent of the students here from the countryside. A. is B. are C. comes D. am B 3. Although many students like to watch sports, game shows are the most popular. 虽然许多学生喜欢看体育类节目,但游戏类节目是最受欢迎的。 although意为“虽然;尽管;即使”,可用though替换,引导的从句放在主句前后均可,放在主句之前时要用逗号隔开。需要注意的是:though/although和but不能同时出现在一个句子中,两者只能用其一,有同样用法的还有because 和so。例如: Although/Though it is raining, they are still working on. =It is raining, but they are still working on. 虽然正在下雨,但他们仍然继续工作。 知识讲解 6 【经典习题】单项填空。 ( )1. my cousin is very young, she can help with the housework. A. Once; / B. Though; but C. Although; / D. Although; but C 知识讲解 7 There is nothing to worry about. 没什么可担心的。 I have a lot of work to do.我有许多工作要做。 4. It’s good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. 虽然通过上网或观看游戏类节目对放松很有好处,但是我们认为锻炼是最好的放松方式。 the best way to relax意为“最好的放松方式”。动词不定式to relax作后置定语修饰名词way。动词不定式作定语时常后置,如果是不及物动词,且与所修饰的词之间有动宾关系,要在不定式后加上相应的介词。例如: 知识讲解 【经典习题】单项填空。 (