新九英全Unit1SectionA3課件.ppt

1、Unit 1,Section A Grammar Focus,Read these sentences paying attention to the underlined parts. I study by working with a group. Do you learn English by watching videos? Try to guess a words meaning by reading the sentences before and after it. You can become better by reading something you enjoy ever

2、y day.,“by + 動(dòng)名詞”常常表示手段、方式或方法，可以用來回答how引導(dǎo)的特殊疑問句。 - How do you learn English? - I learn English by watching English movies.,How do you practice speaking?,By having conversations with friends.,How do you learn new words?,By making word cards.,How do you improve your writing?,By writing e-mails to my p

3、en pals.,How do you practice listening?,By listening to a tape and repeating out loud.,How do you improve your pronunciation?,By watching English programs.,How do you learn grammar?,By taking notes, doing exercises and reading a lot.,How do you improve your writing?,By writing diaries in English.,Ho

4、w often do you write a diary?,How do you improve your listening?,By listening to VOA.,How often do you listen to VOA?,How do you keep healthy?,By exercising.,How often do you exercise?,Lin Lin often practices English _ chatting with her American friends. A. in B. by C. for D. with,經(jīng)典范例,【解析】選B。句意：林林經(jīng)

5、常通過和美國(guó)朋友聊天練習(xí)英語。,我通過向老師求助學(xué)習(xí)。 I study by asking the teacher for help. We learn English by _ (make) vocabulary lists,making,我們通過利用太陽的光和熱使植物長(zhǎng)地好。 2. 現(xiàn)在人們利用手機(jī)來進(jìn)行交流。,Translate the sentences into English.,We can make plants grow well by using the light and heat from the sun.,Now people communicate with each

6、 other by using cell phones.,3. Lily通過少吃減肥嗎？不，不是的。 4. 中國(guó)人通過植樹來使環(huán)境越來越美麗。,Does Lucy lose weight by eating less? No, she doesnt.,Chinese people make the environment more and more beautiful by planting trees.,by 的用法 介詞, 表示“通過方法或途徑的意思”, 譯成“靠, 通過”, 后面可加名詞、名詞短語或動(dòng)名詞。可用來回答how引導(dǎo)的特殊疑問句。 1) The house was destro

7、yed by fire. 房屋被火燒毀了。,2) travel by air / land / sea 航空（陸路，航海）旅行 3) go by train / boat / bus 乘火車（船，公共汽車） 4) shake sb. by the hand 和某人握手 5) I study English by watching English movies. 我通過看英文電影學(xué)英語。,另外, by作為介詞的意義有很多, 例如: 1）在旁邊，靠近 There is a power station by the river. 河邊有一個(gè)電廠。 2）沿著，經(jīng)由 to enter by the do

8、or 由門進(jìn)去 3）由于 by mistake 由于差錯(cuò)；錯(cuò)誤地,4）被，由 some articles written by Lu Xun 一些由魯迅寫的文章 5）表示相（乘）除（以計(jì)算面積） a room 5m by 4m 一間長(zhǎng)五米寬四米的房間 6）逐一；連續(xù) one by one 一個(gè)接一個(gè),英漢互譯 I study English by listening to tapes. (通過聽錄音帶) by studying with a group. ( ) by watching English programs on TV. ( ) by taking part in English

9、classes after school. ( ),通過小組學(xué)習(xí),通過看英文電視節(jié)目,通過放學(xué)后上英語班,I study English _(通過讀英文雜志). _(通過讀教科書). _(通過認(rèn)真完成家庭作業(yè)).,by reading English magazines,by reading the textbook,by doing homework carefully,用by的相關(guān)短語完成句子 1. I think the best way to learn English is _ (通過大聲朗讀). 2. He usually goes to work _ (乘地鐵). 3. Firs

10、t walk _ (經(jīng)過銀行旁邊), and then turn left.,by reading aloud,by the bank,by subway,4. Can we sit _ (在窗子旁邊)? 5. You must be back home _ (到十點(diǎn)為止). 6. There are lots of trees _ (沿河). 7. You must do your homework _ （你自己). 8. English is widely used _ (被人們) all over the world.,by the window,by ten oclock,by the river,by yourself,by people,【2011四川德陽】2. How do you study fo