单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版文本样式,第二级,*,*,单击此处编辑母版标题样式,2015,单击此处编辑母版文本样式,第二级,单击此处编辑母版标题样式,*,*,Lesson 19,How Do You Use the Internet?,Lesson 19,A computer,keyboard,monitor,screen,mouse,desktop,A computer ke,Words,I used to have the _ computer with a black_,.,desktop,keyboard,desktop n.,台式电脑,keyboard n.,键盘,WordsI used to have the _,But now I have a _. I can use it to learn some knowledge about science and _.,tablet,desktop n.,台式电脑,keyboard n.,键盘,tablet n.,平板电脑,technology n.,技术,technology,But now I have a _. I ca,I can use it to collect information about the _.,desktop n.,台式电脑,keyboard n.,键盘,tablet n.,平板电脑,technology n.,技术,industry n.,工业,industry,I can use it to collect inform,I can also use it to send the _if we want to have a party for Christmas .,invitation,desktop n.,台式电脑,keyboard n.,键盘,tablet n.,平板电脑,technology n.,技术,industry n.,工业,invitation n.,邀请,I can also use it to send the,Think about it:,What do you like to do on the Internet?,Think about it:,Listen to the passage and tick the things that Jenny and her classmates like to do on the Internet:,watch movies shop,write blogs chat online,play games read,send or receive e-mails listen to music,do search for homework make friends,Listen to the passage and tick,1.( )Jenny thinks we can use the Internet to learn about everything.(T/F),2. Danny uses _ to chat with his friends online.,3.How many people are there following Dannys blog?,4.What is Brain collecting information about?,5.,If,I work hard this evening, I will complete my research.(Translate it into Chinese.),F,video chat,500 people.,The coffee industry.,如果今晚我努力的话，我将完成调查。,1.( )Jenny thinks we can u,Read the text again and find out another adverbial clause (,状语从句,)with “ if ”, then translate it into Chinese.,If we want to have a meeting, I can send the invitation online.,如果,我们想开会，我,就,可以在网上发出邀请。,Read the text again and find o,Talk about it in groups:,If I use the Internet ,I will ,Talk about it in groups:If I,Fill in the blanks with the correct forms,of the given words.,1.If you work hard, youll_(get )there in the end.,2.If you dont stop him, he will_(play),Games the whole day.,3.If it_(rain) tomorrow, Danny will not go to the supermarket to buy donuts.,4.If you_(go) to bed now, Ill read you a bedtime story.,get,play,rains,go,Fill in the blanks with the co,Most parents and teachers think it is a bad thing to play computer games. They think it is a waste of time and money. Because of computer games, some students dont care about their study any more. Playing too many computer games is also bad for childrens eyes and health.,However, computer games can also bring some benefits. They can help people in many ways if people spend proper time on it. Some computer games can improve peoples ability of thinking. They can make people think in different ways. Playing computer games can also help people be familiar with the keyboard. If people are familiar with the keyboard, they can type fast.,More and more people begin to design educational CD-ROM. They hope people can get some knowledge while they are playing computer games.,Most parents and teachers,Playing computer games,Advantage,Disadvantage,*,Some computer games can _peoples ability of _.,*,Playing computer games can also help people be _with the _and _ fast.,*,It is a waste of _and _.,*,Some students dont _ _ their study any more.,*,It is also bad for childrens _ and _.,improve,thinking,familiar,keyboard,type,time,money,care about,eyes,health.,Playing computer gamesAdvantag,Work in groups:,Talk about what we can do and what we cant do on the computer . Lets see which group can make the longest list about them.,Work in groups:,Homework:,1.Write a passage about how to use,the Internet. Be sure to use the,adverbial clause with “if” at least,three times in your passage.,2.Do Exercise 3 in the book.,Homework: 1.Write a passage,Thank you !,Thank you !,21.,蔚蓝色的宝库,（冀教版）六年级科学上册课件,21.蔚蓝色的宝库（冀教版）六年级科学上册课件,猜一猜,家住大海,走向岸来,.,太阳一晒,身体变白,.,盐,肚中藏宝，浩瀚无边，入口苦涩，性情多变。,大海,猜一猜家住大海,走向岸来.太阳一晒,身体变白. 盐肚中藏宝,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,地球表面大部分是蔚蓝色的海洋，占地球表面积的70%还多，其中面积,最大,的是,太平洋,，面积,最小,的是,北冰洋,，我们国家靠着太平洋。,地球表面大部分是蔚蓝色的海洋，占地球表面积的70%,认识美丽的海洋,海洋是生命的摇篮，资源的宝库。对于海洋，我们究竟了解多少？海洋里有哪些重要的资源呢？让我们一起来揭开蓝色海洋的面纱，探索海洋的奥秘吧！,认识美丽的海洋 海洋是生命的摇篮，资源的宝库。对于海,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,丰富的海洋资源,丰富的海洋资源,丰富的海洋资源,大陆架,一、什么是大陆架？,丰富的海洋资源大陆架一、什么是大陆架？,大陆架是陆地在海中的延续，我国的、,渤海,、,黄海,和,东海,的大陆架极其宽阔，其中蕴藏着丰富的,石油,和,天然气,矿藏。根据估算，我国的海洋石油储量可达,22亿,吨,，天然气储量达,480亿,立方米,。,大陆架是陆地在海中的延续，我国的、渤海、黄海,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,丰富的海洋资源,矿物质,丰富的海洋资源矿物质,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,海水中含有大量的,矿物质,，最多的物质是,盐,。据计算，如果将地球上海水中的盐全部提炼出来，均匀地铺撒在地球表面，可铺成一个约40米厚的盐层。,海水中含有大量的矿物质，最多的物质是盐。据计,丰富的海洋资源,砂矿,海上采砂,砂 石,丰富的海洋资源砂矿海上采砂砂 石www.xkb1.co,我国的滨海砂矿储量十分丰富。到目前，已发现滨海砂矿,20多,种，各类砂矿床,191,个,，总探明储量达,16亿多,吨，矿种达,60多,种。其中，具有工业价值的海砂矿有,13种,，包括,钛铁矿,、,锆石,、,金红石,、,独居石,、,磷钇矿,、,磁铁矿,和,砂锡,等。,我国的滨海砂矿储量十分丰富。到目前，已发,在独具魅力的蓝色水域中，生活着大量的海洋生物，其中海洋动物,17万,余种，海洋植物约有,2.5万,余种。,丰富的海洋资源,生物资源,在独具魅力的蓝色水域中，生活,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,巨鲸,巨鲸,海星,海星,乌贼,乌贼,鹦鹉螺,鹦鹉螺,夜光鱼,夜光鱼,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,海豹,海豹,海豹,海豹,海参,海参,海葵,海葵,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,珊瑚,珊瑚,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,藻 类,藻 类,藻 类,藻 类,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,英语八下unit-4lesson-19-how-do-you-use-the-internetppt课件,1、能量资源：,潮汐能、波浪能、海流能、海水,温差能。,2、生物资源：,海洋藻类资源、海洋动物资源。,3、矿产资源：,海底石油、天然气、滨海砂矿等。,4,、空间资源：,海岸与海岛空间资源、海面与洋面空间资源、海洋水层空间资源、海底空间资源等。,此外，海水本身也是一种资源，海水中溶解的物质资源等。,海洋资源的分类,1、能量资源：潮汐能、波浪能、海流能、海水 海洋资源的分类,辽阔的海洋蕴藏着丰富的生物、矿物、化学、能源等各种自然资源，堪称是地球上一座巨大的“蓝色资源宝库”。在人类对石油、天然气等不可再生资源的需求越来越大的情况下，海底石油、天然气成了海洋资源争夺的重点。,辽阔的海洋蕴藏着丰富的生物、矿物、化学、能源等各种,海洋是资源的宝库，生命的摇篮。,海洋是资源的宝库，生命的摇篮。,