Lesson 30 science affects us课件2024-2025学年冀教版英语九年级上册

Lesson 30 Unit 5 Look into Science 5 Unit Lesson 30 Science Affects Us Lead in Some Experiments Fun Facts: Your nose and ears continue growing throughout your entire life. Babies blink only once or twice a minute while adults blink around 10 times a minute. Your fingerprints are unique and so are your tongue prints. The earth isn’t perfectly round.It is slightly flattened at the North and South poles. A dog’s hearing is more sensitive than a human’s.Dogs can hear noises that we can’t. It takes your body 12 hours to completely digest a meal. discovery affect suggest mobile phone development n. 发现 v. 影响 v. 建议 n. 手机 n. 发展 New words .Fill in the blanks with the correct forms of the words in the box. discover,affect,suggest,place,develop 1.Jenny they use a stronger piece of cardboard for the experiment. 2.The air pressure the result of the experiment. 3.The experiment led to a wonderful . 4.What are your plans for the of your company? 5.They used a rock to hold the map in . suggests affects discovery development place 1. Wang Mei didn’t enjoy learning about DNA. ( ) 2. Who did an experiment in science class this week? _. 3. Does Wang Mei think the experiment they did sounds interesting? _. 4. The air pressure _ is higher than that of the water pushing down from inside the jar. 5.I always wonder what life would be like without computers or mobile phones . _ F Brian, Danny and Jenny Yes, she does pushing up on the cardboard 我一直想知道如果没有电脑和手机生活会是什么样子。 中考题型 课堂练 Read L30 and fill in the blanks. Science affects people’s _ lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without computers 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. everyday mobile phones discoveries change While-reading 1. I suggest you try it, too! Language Points suggest v. 建议,提议 1) suggest sth. to sb. 向某人建议某事 2) suggest doing sth. 建议做某事 3) suggest that (should + do) 建议…… 4) suggestion n. 建议 2. The experiment you did sounds interesting. *定语从句;先行词为experiment,(that) you did为从句。 *…sounds interesting 听起来有趣 sound接adj. 作表语。 3. Scientific discoveries are making our life better and better. This is an important discovery.这是一个重要的发现。 We have discovered their secrets. 我们已经发现了他们的秘密。 * discovery作可数名词,意为“发现、发觉”,复数形式是discoveries。如: discover是及物动词,意为“发现”,后加名词、代词或宾语从句。如: e.g. 张家口变得越来越美丽了。 Zhang Jiakou is getting more and more beautiful. * better and better 比较级+and+比较级 “越来越……”。 7.The higher air pressure outside the jar holds the cardboard in place. in place意为“原位,在恰当的位置”。 【拓展】 (1)in place of sb./sth.=in sb.’s/sth’s place代替/顶替某人/物 (2)take place发生 (3)take sb.’s/sth.’s place=take the place of sb./sth.代替/替换某人/物 8.Yes,science is interesting,and it affects our everyday lives. affect为及物动词,意为“影响”,相当于influence,常构成短语:be affected by被……影响。 【拓展】 effect为名词,意为“结果,影响”。have an effect on意为“对……有影响”。 10.I always wonder what life would be like without computers or mobile phones. wonder为及物动词,意为“惊奇,想知道”,相当于want to know,其后可接“疑问词+动词不定式”结构和宾语从句。 【拓展】 (1)wonder还可作不及物动词,意为“觉得奇怪,想知道”,可构成短语wonder about/at。 (2)wonder还可作可数名词,意为“奇迹”。 (3)wonderful为形容词,意为“美妙的”。 Free Talk Post-reading How do these inventions affect our everyday lives? What life would be like without these inventions? . 单项选择。 ( )1. —Bob never does his homework _ Mary. —Yes, he makes lots of mistakes. A. so careful B. as carefully as C. carefully D. as careful as Practice ( )2. —Do you know this boy? —Which boy? —The one _ under the big tree. A. lay B. lain C. laying D. lying ( )3. —How do you know that she likes singing? —I often hear her _ after class. A. to sing B. sang C. sing D. sings ( )4. They stopped _ , but there was no more sound. A. to listen B. to hear C. listening D. hearing ( )5. My younger brother isn’t _ to take care of himself. A. enough old B. old enough C. small enough D. enough small 1. The man is _ (bad) hurt. 2. Don’t be _ (scary). You will be OK. 3. —Are you hurt? —No, I’m not _ (injure). 用所给词的适当形式填空。 badly scared injured 完成句子。 1. Don’t worry about your son. It’s _ _ (没什么严重的). 2. We needn’t _ _ _ (叫救护车). 3. _ _ (小心)!There is something dangerous ahead. 答案: 1. nothing serious 2. call an ambulance 3. Be careful 4. He _ _ _ (尽力赶上)the early bus, but it was too late. 5. Don’t worry about him. I can _ _ _ (照顾) him. 答案: 4. tried to catch 5. take care of .根据汉语意思完成句子 1.我想知道那是什么意思。 I what that means. 2.那项发现在科学界引起极大的轰动。 The caused a tremendous commotion the scientific world. 3.这个实验听起来很有趣。 The experiment . 4.我喜欢了解自然科学的发展。 I about scientific developments. 5.他们用一块石头将地图压制妥当。 They used a rock to hold the map . wonder discovery in sounds interesting enjoy learning in place 1. He didn’t agree to go there with us. He _ there with us. 2. Why don’t you go swimming with me? Why _ swimming with me? 3. Grandma takes care of my sister every day. Grandma _ my sister every day. 4. You don’t have to go home today. You _ home today. 同义句转换。(每空一词) refused to go not go looks after needn’t go Homework 1.Finish off the rest exercises. 2.Preview lesson 31. Homework $$