新冀教版九年级全一册英语Lesson 30 Science Affects Us课件

1、Lesson 30 Science Affects UsUnit 5 Look into Science 学习目标Curriculum words: affect, suggest, mobile phone, discovery, amazing Useful expressions: First, get a jar full of water and a piece of cardboard.The higher air pressure outside the jar holds the cardboard in place. Its really one of the most am

2、azing things on the earth! Functions: Master the new words: affect, suggest, mobile phone, discovery, Grammar: suggest的用法Sentences: The experiment you did sounds interesting.Scientific discoveries are making our lives better and better. 思 考新课导入思 考 puterssmart phones新课讲解THINK ABOUT ITHave you ever do

3、ne any interesting experiments? Can you describe one of them?What would life be like without puters or mobile phones?Hi Wang Mei，How are you？Everyone here is fine.Do you want to surprise your friends? Brian，Danny and I did an experiment in science class this课文呈现新课讲解week. I suggest you try it，too！ Fi

4、rst，get a jar full of water and a piece of cardboard. Cover the jar with the cardboard and turn the jar over. Next，take your hand off. Can you guess what happens? The cardboard holds the water in the jar! The air pressure pushing up on the cardboard is higher than that of the water pushing down from

5、 inside the jar. The higher air pressure outside the jar holds the cardboard in place.Science is interesting. Dont you think so?Jenny新课讲解Dear Jenny，Im very well. Thanks! The experiment you did sounds interesting.Yes，science is interesting，and it affects our everyday lives. Our lives would surely be

6、very different without scientific developments. I always wonder what life would be like without puters or mobile phones. Scientific discoveries are making our lives better and better.新课讲解This week we had some science lessons，too. I enjoyed learning about DNA. Its really one of the most amazing thing

7、s on the earth! Scientists are doing so many new things with DNA.I think it will change the world. It will be interesting to see what happens.Wang Mei新课讲解Let s Do It !Read the lesson and fill in the blanks. 1 Science affects peoples _lives. Without the scientific developments of recent years，our liv

8、es would be very different. Can you imagine life without puters or _？ Scientific _ are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will _ the world. mobile phones changeeveryday discoveries 新课讲解Fill in the blanks with the correc

9、t forms of the words in the box.2discover affect suggest place develop1Jenny _they use a stronger piece of cardboard for the experiment.2The air pressure _ the result of the experiment.3The experiment led to a wonderful _4What are your plans for the _ of your pany?5They used a rock to hold the map i

10、n _.suggests affects discovery development place 新课讲解3Here are some inventions. How do they affect our everyday lives？Talk about them with your partner.TVcameraradiocomputertelephonelight bulbclockwashing machine compasstelescopeXrayeyeglasses新课讲解With TV I watch TV to get information._I call my frie

11、nds with the telephone. Example：I would spend more time visiting my friends.新课讲解Without TV I would spend more time talking with my family._I play games on the puter. I would spendmore time playing with my pals.新课讲解 without/wat/ prep. 无，没有 PointLanguage point 1eg：Nothing could live without water. 没有水

12、，什么也活不了。without后常接名词、代词或动名词词组。eg：My father went out without saying a word. 我父亲一句话也没有说就出去了。新课讲解 surprise/spraz/ v.使惊奇 n.惊喜，惊奇 PointLanguage points 2eg：The results might surprise you! 结果可能使你惊讶！（1）surprise为及物动词，后面直接跟宾语，意为“使惊奇，使感到惊讶”。eg：You surprise me. 你使我感到惊讶。新课讲解（2）surprised 是surprise的过去分词形式，可以作形容词，通

13、常作表语，表示人的状态，意为“吃惊的”。短语：be surprised at/by为固定搭配，意为“对感到吃惊”。eg：All of them were surprised at the UFO. 他们都对不明飞行物感到吃惊。新课讲解（3）surprise为名词，意为“惊奇；使人惊奇的事”。 也可以构成词组：in surprise“惊讶地”；to ones surprise“令某人吃惊的是”。 eg：I have a surprise for you. 我有一个惊喜给你。 To my surprise, he can finish this work in a short time.令我吃惊的

14、是，他能在很短的 时间内完成这项工作。新课讲解 suggest/sdest/ v.建议 PointLanguage points 3 eg：I suggest you do your home work now. 我建议你现在做你的家庭作业。（1）suggest作动词，意为“暗示，表明”，后常接名词、动词的ing形式或宾语从句。eg：His smile suggests that he is satisfied with the result. 他的笑容表明他对结果很满意。新课讲解（2）suggest 作及物动词，还意为“建议，提议”，后常接名词、代词、动词的ing形式或that从句，从句中用

15、should表虚拟，should可省略。eg：He suggested that you (should) go there the next day. 他建议你(应当)第二天去那里。（3）suggest的名词形式为suggestion，意为“建议；提议”，为可数名词。advice也表示“意见，建议”，但为不可数名词。eg：I have a suggestion to make. 我有一个建议要提。新课讲解 too /tu/ adv.也，又PointLanguage points 4eg：If you buy a car,youll need a parking place,too. 如果你买

16、辆车，你也需要一个停车场地。辨析 too，also与either这几个词都表示“也”的意思。新课讲解 too too多用于口语中，置于句末或句中，在句末时，通常其前有逗号，在句中时，前后都有逗号。 Tom is a student，and Jack is a student，too.汤姆是学生，杰克也是学生。 I，too，have been to the Great Wall.我也去过长城。 also also通常置于实义动词之前，助动词、情态动词和be动词之后。 He can speak English and he can also speak French.他会说英语，也会说法语。 ei

17、ther either用于否定句中，置于句末。 My mother hasnt been to Beijing. I havent been there，either.我妈妈没去过北京，我也没去过。 新课讲解 sound/sand/ v.听起来 PointLanguage points 5sound作系动词讲时，为“听起来”的意思，后跟形容词作表语。类似的系动词还有：taste(尝起来)，smell(闻起来)，feel(摸起来)，look(看起来)。eg：That news sounds exciting.那个消息听起来令人兴奋。 The fish smells delicious. 鱼闻起来

18、很美味。 The skirt feels soft. 短裙摸起来很柔软。 You look tired. 你看起来很疲惫。新课讲解 better and better 越来越好PointLanguage points 6比较级and比较级意为“越来越”。eg：When spring es，days get longer andlonger.当春天来临的时候，白天变得越来越长。“the比较级，the比较级”表示“越，越”。eg：The more you smile，the happier you will feel. 你笑得越多，你就会感觉越快乐。新课讲解典例The relation betwe

19、en the two countries gets _. A war seems to break out soon.I hope they will make peace with each other. (福州)Aworse and worseBbetter and betterCmore and more peaceful【点拨】考查“比较级and比较级”的用法。worse and worse 越来越糟；better and better 越来越好；more and more peaceful越来越和平。根据上句句意“这两个国 家之间的关系变得越来越糟糕。好像不久就要爆发一场 战争了。”

20、可知选A。A当堂小练一、根据句意及首字母提示完成单词1. My sister _ having a pi ic tomorrow.2. Scientists new _ of the new plant is exciting.3. puters have _ our everyday life these days.4. Chinas _ is quick and surprising.5. Lilys _ phone looks quite in fashion.uggests ffected iscovery evelopment obile当堂小练二、单项选择6Do you enjoy _ a vo