Unit1_SectionA（1a-1c）精品课件

1、谭莹 He studies English by reading the textbook.Whats he doing ? He is How does he study English?How do you study English?I study English bylistening to tapes.How do you study English?I study English byworking with friends.How do you study English?I study English byasking the teacher for help.By watch

2、ing English moviesBy making word cardsBy having conversations with foreignersBy reading the textbookCan you guess how they learn English?_介词介词 by by 的用法的用法2. 对by引导的介词短语提问时，用how。 (二)“by+交通工具类名词”，也可表达交通方式，译为“搭乘/乘坐” (三)另外, by作为介词的意义有很多, 例如: eg: by train /boat/ bus 乘火车（船，公共汽车） 1）在旁边，靠近 There is a power

3、station by the river. 河边有一个电厂。 2）沿着，经由 come by the highway 沿着公路来 3）由于 by mistake 由于差错 4）被，由 some articles written by Lu Xun 一些由鲁迅写的文章辨析：by, with, in, through1. by 通过方法、手段，如交通工具等。2. with 使用工具、方法等。go there by plane 乘飞机去那里She drew the picture with a short pencil.她用一只短铅笔画了这幅画。4.“ through+名词”在指方法和手段时，译为“

4、经由；通过”；以强调原因、理由和作用， 作“由于”解。He made many mistakes in the exam through his carelessness.由于粗心大意，他在考试中犯了许多错误。3. in 使用某种材料或某种语言，或者表示衣着、声调、特点等。He read the text in a low voice.他低声地读课文。1.You can improve your English_ practicing more.A.byB. withC. ofD. in2. _ does her brother improve his English? He improves it _ asking the teacher for help.A. How, by B. What, withC. Why, inD. What, on3.The girl _ red by river is my sister. A. by B. in C. with D. on4.The river goes_ the forest. A. in B. by C. through D. with5.He said _ a low voice,“Go to your seat.”