(
课件网) 冀教版九年级英语 Lesson 30 Science Affects Us Knowledge To learn some words and phrases mobile phone, suggest, affect, discovery, Ability Make a conclusion about what we learned in this unit. Emotion Keep trying and never give up. Learning Objects Science affects people's everyday lives. Without the scientific developments of recent years,our lives would be very different.Can you imagine life without computers or mobile phones Scientific discoveries are making our lives better and better.DNA is really one of the most amazing things on the earth.Many people think it will change the world. Read the passage and pay attention to the key words Read the text and find out the main phrases . ·be like ·turn…over ·push up ·push down ·in place What would life be like without computers or mobile phones Cover the jar with the cardboard and turn the jar over. The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. The higher air pressure outside the jar holds the cardboard in place. ·Everyone here is fine. ·I suggest you try it,too! ·First,get a jar full of water and a piece of cardboard. ·Yes,science is interesting,and it affects our everyday lives. ·Our lives would surely be very different without scientific developments. ·I always wonder what life would be like without computers or mobile phones. ·Scientific discoveries are making our lives better and better. Read the text and find out the main sentences. 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 week. I suggest you try it, too! First, 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! Here are some inventions.How do they affect our everyday lives Talk about them in your group. Group-work TV,camera,radio,computer,telephone,light bulb, clock, washing machine,compass, telescope,X-ray,eyeglasses Example: With TV I watch TV to get information. Without TV I would spend more time talking with my family. 1.What would life be like without computers or mobile phones be like意为“像”,多指品质、性格等内在方面的相似。 (1)look like偏于外貌上的形似。 (2)take after意为“(外貌或行为)像(父母)”。 2.Everyone here is fine. everyone为不定代词,意为“每个人,人人”。不定代词作主语时,谓语动词应用单数形式;不定代词被形容词修饰时,形容词应后置;含有不定代词的句子在进行肯定和否定转化时,可将不定代词进行变化;“不定代词+else”意为“别的……”;不定代词的所有格直接在词尾加“’s”,“不定代词+else”的所有格需在else后加“’s”。 Language points 3.I suggest you try it,too! suggest为动词,意为“提议,提出”,后可接名词/v.-ing,或接that引导的宾语从句,that从句用“should+动词原形”,should可以省略。 suggestion作可数名词,意为“建议,意见”。 4.First, get a jar full of wate ... ...
