1、Lesson 30 Science Affects UsUnit 5 Look into Science 學(xué)習(xí)目標(biāo)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 考新課導(dǎo)入思 考 puterssmart phones新課講解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課文呈現(xiàn)新課講解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新課講解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.新課講解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新課講解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 新課講解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 新課講解3Here are some inventions. How do they affect our everyday lives？Talk about them with your partner.TVcameraradiocomputertelephonelight bulbclockwashing machine compasstelescopeXrayeyeglasses新課講解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.新課講解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.新課講解 without/wat/ prep. 無，沒有 PointLanguage point 1eg：Nothing could live without water. 沒有水

12、，什么也活不了。without后常接名詞、代詞或動(dòng)名詞詞組。eg：My father went out without saying a word. 我父親一句話也沒有說就出去了。新課講解 surprise/spraz/ v.使驚奇 n.驚喜，驚奇 PointLanguage points 2eg：The results might surprise you! 結(jié)果可能使你驚訝?。?）surprise為及物動(dòng)詞，后面直接跟賓語，意為“使驚奇，使感到驚訝”。eg：You surprise me. 你使我感到驚訝。新課講解（2）surprised 是surprise的過去分詞形式，可以作形容詞，通

13、常作表語，表示人的狀態(tài)，意為“吃驚的”。短語：be surprised at/by為固定搭配，意為“對感到吃驚”。eg：All of them were surprised at the UFO. 他們都對不明飛行物感到吃驚。新課講解（3）surprise為名詞，意為“驚奇；使人驚奇的事”。 也可以構(gòu)成詞組：in surprise“驚訝地”；to ones surprise“令某人吃驚的是”。 eg：I have a surprise for you. 我有一個(gè)驚喜給你。 To my surprise, he can finish this work in a short time.令我吃驚的

14、是，他能在很短的 時(shí)間內(nèi)完成這項(xiàng)工作。新課講解 suggest/sdest/ v.建議 PointLanguage points 3 eg：I suggest you do your home work now. 我建議你現(xiàn)在做你的家庭作業(yè)。（1）suggest作動(dòng)詞，意為“暗示，表明”，后常接名詞、動(dòng)詞的ing形式或賓語從句。eg：His smile suggests that he is satisfied with the result. 他的笑容表明他對結(jié)果很滿意。新課講解（2）suggest 作及物動(dòng)詞，還意為“建議，提議”，后常接名詞、代詞、動(dòng)詞的ing形式或that從句，從句中用

15、should表虛擬，should可省略。eg：He suggested that you (should) go there the next day. 他建議你(應(yīng)當(dāng))第二天去那里。（3）suggest的名詞形式為suggestion，意為“建議；提議”，為可數(shù)名詞。advice也表示“意見，建議”，但為不可數(shù)名詞。eg：I have a suggestion to make. 我有一個(gè)建議要提。新課講解 too /tu/ adv.也，又PointLanguage points 4eg：If you buy a car,youll need a parking place,too. 如果你買

16、輛車，你也需要一個(gè)停車場地。辨析 too，also與either這幾個(gè)詞都表示“也”的意思。新課講解 too too多用于口語中，置于句末或句中，在句末時(shí)，通常其前有逗號，在句中時(shí)，前后都有逗號。 Tom is a student，and Jack is a student，too.湯姆是學(xué)生，杰克也是學(xué)生。 I，too，have been to the Great Wall.我也去過長城。 also also通常置于實(shí)義動(dòng)詞之前，助動(dòng)詞、情態(tài)動(dòng)詞和be動(dòng)詞之后。 He can speak English and he can also speak French.他會(huì)說英語，也會(huì)說法語。 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.我媽媽沒去過北京，我也沒去過。 新課講解 sound/sand/ v.聽起來 PointLanguage points 5sound作系動(dòng)詞講時(shí)，為“聽起來”的意思，后跟形容詞作表語。類似的系動(dòng)詞還有：taste(嘗起來)，smell(聞起來)，feel(摸起來)，look(看起來)。eg：That news sounds exciting.那個(gè)消息聽起來令人興奮。 The fish smells delicious. 魚聞起來

18、很美味。 The skirt feels soft. 短裙摸起來很柔軟。 You look tired. 你看起來很疲憊。新課講解 better and better 越來越好PointLanguage points 6比較級and比較級意為“越來越”。eg：When spring es，days get longer andlonger.當(dāng)春天來臨的時(shí)候，白天變得越來越長?！皌he比較級，the比較級”表示“越，越”。eg：The more you smile，the happier you will feel. 你笑得越多，你就會(huì)感覺越快樂。新課講解典例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【點(diǎn)撥】考查“比較級and比較級”的用法。worse and worse 越來越糟；better and better 越來越好；more and more peaceful越來越和平。根據(jù)上句句意“這兩個(gè)國 家之間的關(guān)系變得越來越糟糕。好像不久就要爆發(fā)一場 戰(zhàn)爭了?！?/p>

20、可知選A。A當(dāng)堂小練一、根據(jù)句意及首字母提示完成單詞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當(dāng)堂小練二、單項(xiàng)選擇6Do you enjoy _ a vo