英语 七上 外研 Unit 5 第1课时 Starting out & Understanding ideas (文本解读) 教学课件

Starting out & Understanding ideas (文本解读)第 1 课 时1. What is this in the picture?2. What is happening in the picture?3. Is it powerful?It’s a seedling of the plant. Look at the picture and answer the questions.The seedling is breaking through the soil. Yes, it is.Plants are everywhere around us. In this unit, let's explore the amazing world of plants. Why do we need plants? What are their uses?What do they mean to us? By the end of this unit, you will make a poster about plants.Look at the picture and answer the questions.1Starting outWhat plant do you see in the picture?2. What facts about the plant do you know?3. Do you think the plant is amazing? Why or why not?Bamboos.Bamboo looks like a tree, but it is actually a type of grass, just like rice or wheat. It grows very fast. We use bamboo in many ways. Yes, it is. Because it grows quickly, makes many things, and protects the soil well.Look at the pictures and answer the questions.21 What are the people doing? foodmaterials for houseinspiration of artmedicinebuy vegetableswork on woodweigh the herbdraw trees and grass2 What can plants do for us? Plants can be our food, materials for house, medicine and inspiration for painting. Understanding ideasLook at the picture and guess what it is about. Within a plant It's quarter past seven. Here's Worker No. 55 in his green uniform. He's going to start work in the plant. He works in Workshop 1001 in the Leaf. There are 20 to 100 workers in each workshop. They collect sunlight and CO₂ during the day. Now workers from the Root send up water. The water will rise up to the Leaf through the Stem. Then workers in the Leaf will mix water, CO₂ and sunlight.Learn about the new words of the passage.within /wɪðˈɪn/ prep. 在（建筑或地区）里quarter /ˈkwɔːtə/ n. 一刻钟，十五分钟workshop /ˈwɜːkʃɒp/ n. 车间，工场leaf /liːf/ n. 叶，叶子each /iːtʃ/ det. （两个或两个以上物或人中的）每个，各collect /kəˈlekt/ v. 收集，采集；使集中root /ruːt/ n. 根send /send/ v. 送出，发出rise /raɪz/ v. 升高，上升stem /stem/ n. （植物的）茎，梗，柄mix /mɪks/ v. （使）混合 Within a plant … What are they going to produce? Most importantly (for them), there will be sugar! It's useful for the growth of the plant. Another product will be oxygen, but the plant doesn't need much of it. It means a lot to animals and humans, though – they need it to breathe! The workers work hard. Soon it's going to get dark. They will take a rest. There are millions of plants on earth. They give more than food and oxygen. Without plants, the natural world would be very different!Learn about the new words of the passage.produce /prəˈdjuːs/ v. （自然地）生产，产生，出产sugar /ˈʃʊɡə/ n. 糖product /ˈprɒdʌkt/ n. （自然过程或化学反应的）生成物oxygen /ˈɒksɪdʒən/ n. 氧human /ˈhjuːmən/ n. 人类；人though /ðəʊ/ adv. 可是，不过，然而breathe /briːð/ v. 呼吸soon /suːn/ adv. 不久，即刻，很快dark /dɑːk/ adj. 昏暗的；黑暗的rest /rest/ n. 休息（时间）natural /ˈnætʃərəl/ adj. 自然的，天然的Listen to the radio and read after it. Pay attention to the pronounciation of new words. Within a plant It's quarter past seven. Here's Worker No. 55 in his green uniform. He's going to start work in the plant. He works in Workshop 1001 in the Leaf. There are 20 to 100 workers in each workshop. They collect sunlight and CO₂ during the day. Now workers from the Root send up water. The water will rise up to the Leaf through the Stem. Then workers in the Leaf will mix water, CO₂ and sunlight. What are they going to produce? Most importantly (for them), there will be sugar! It's useful for the growth of the plant. Another product will be oxygen, but the plant doesn't need much of it. It means a lot to animals and humans, though – they need it to breathe! The workers work hard. Soon it's going to get dark. They will take a rest. There are millions of plants on earth. They give more than food and oxygen. Without plants, the natural world would be very different!sunlightsugarwaterleaf1Look at the picture of a plant and match the words to it.Choose another suitable title and give your reasons.√Because the passage tells us how different parts of plants work.21 What does "plant" mean in the title?2 In what other ways do plants help the world?The word “plant” has two meanings. One is about the living thing. The other is about the place the workers work in.Think and sharePlants clean the air and help stop floods. They provide homes for animals, and reduce the effect of climate change.Complete the texts with the words and expressions from the passage.4leafrise upWatersugarbreatheRetell the passage.leafrise upWatersugarbreathe1. lt’s quarter past seven. 现在是七点一刻。quarter 〔名词]①一刻钟,十五分钟Please wait for a quarter. 请等一刻钟。②四分之一We cut the orange into quarters and each eats a piece.我们把橙子切成四份,每人吃一份。Language points时刻表达法(a) quarter past seven 意为“七点一刻”,相当于fifteen past seven。英语钟点时刻的表达方式:① 时钟+分钟 seven thirty 七点半 seven fifteen 七点十五 seven forty-five 七点四十五② 分钟+past/to+ 时钟当分钟小于或等于30时,用“分钟+past+时钟”表示“几点过几分”;当分钟大于30 时,用“到下个时钟差的分钟数+to+下个时钟”表示“差几分到几点”。twenty past eight 八点二十 half past six 六点半 twenty-five to five 四点三十五(差二十五分五点)注意：整点可用“基数词+o'clock”表示。如:six o'clock 六点钟。助记：时刻表达法差“几分”到“几点”,写个 to 在中间。若是“几点”过“几分”,要用 past 来接管。若是如此太麻烦,先“点”后“分”也能办。2. Now workers from the Root send up water. 现在来自根部的工人们往上送水。 send〔及物动词〕送出,发出;邮寄;发送;将(某人)送往send sb sth = send sth to sb发送/寄给某人某物send sb to+地点名词 把某人送到某地She sends me emails every week. =She sends emails to me every week.她每周给我发电子邮件。My father often sends me to my school on weekdays. 在工作日我父亲经常送我去学校。拓展：send up 送上来；射出,发射send away把……打发走;送走send for 派人去请3. What are they going to produce? 他们要生产什么?produce①〔及物动词〕(自然地)生产,产生,出产 后接名词或代词作宾语。What does the farm produce? 这个农场生产什么?The factory produces 1 ,000 cars a month.这家工厂每月生产1000辆小汽车。②〔不可数名词〕产品;(尤指)农产品He takes the produce of his garden to the market.他把他园子里的农产品带到市场上。4. It means a lot to animals and humans, though—they need it to breathe! 它对动物核人类来说意义重大——他们需要它来呼吸！though①〔副词〕可是,不过,然而 常放在句末。Our team loses. It is a good game though.我们队输了。可是这也不失为一场好比赛。②〔连词〕虽然,尽管 与 although 同义。引导让步状语从句在句中不能与 but 连用,但可与 yet 或still 连用。Though/Although Zhang Guimei isn't in good health, she works hard to help her students. 虽然张桂梅身体不好,但她努力工作帮助她的学生们。I.根据句意及汉语提示完成句子1. We can finish the project _______ (在……之内) seven days.2. My brother likes ________ (收集) stamps.3. The sun ________（升起）in the east.4. Plants can ________ (产生) oxygen for us.5. We need to  ________（呼吸）some fresh air.6. She wanted to talk to him. First, ________（不过）, she had to talk to Clayton.7.Everyone loves _________ (天然的) food now.8. Do you take _______ (糖) in your coffee?collectingriseswithinbreaththoughproducenaturalsugarII. 根据汉语意思，完成句子1. 你能送我去车站吗？ Could you ______________ the train station?2. 现在是三点十五分。 It’s _____________________________ now.3. 请把肉和蔬菜混合起来。 Please ______ the meat _______ vegetables.4. 很快天就要黑了。 Soon it’s going to _____________.5. 工人们想要休息一下。 Workers want to _______________.a quarter past three / three fifteensend me tomix withget darktake/have a restHomeworkRecite the passage;Remember the new words and phrases.