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Whatever Happened to Acid Rain?

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  Whatever happened to acid rain? - Joseph Goffman Vocabulary Study (Please read choose a word in video that means to you) 單字, 詞性(n./adj./v….),中文意思, 例句 marine (adj.) 海洋的 Acid rain would destroy marine ecosystem. corrode(v.) 侵蝕 Acid rain may corrode structures made of stone and metal. mounting (adj.) 增長的 There was mounting concern in his voice. utility (n.) 效用 Since their expected utilities are the same, the rationality of choosing one cannot differ from that of choosing the other. arboreal (adj.) 樹棲的 Koalas are kind of arboreal animal, and most of their life live on eucalyptus.          Answer the following questions: What causes the acid rainfall ? What could be done to stop it ?          a.(林睿宏)  1.When water interacts with oxides of nitrogen or sulfur dioxide provided by emissions of the power plants or exhaust gas of the vehicles, it then produces sulfuric acid and nitric acid, which is the main composition of acid rain. 2....
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How does Caffeine Keep us Awake?

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How does caffeine keep us awake? - Hanan Qasim Vocabulary Study (Please read choose a word in video that means to you)  單字, 詞性(n./adj./v….),中文意思, 例句 adenosine (n.) 腺甘酸 Adenosine is a chemical that can make us drowsy. dopamine（n.）多巴胺 Dopamine is a chemical that makes you pleasure. urination (n.) 排尿 she was unable to speak,eat,control urination or move her body. insomnia (n.)失眠 Too much stress will sometimes cause insomnia. metric (adj.)公制的 Metric units have been widely used in modern society.          Answer the following questions: How does caffeine work in your body? What’s the pros and cons of caffeine?      a.(林睿宏)  Caffeine act as a stimulant system for our central nervous system. It can block adenosine, a substance that can draw us sleepy. 1.Pros: Reducing the adenosine iseases like Pakinson's, Alzheimer's, and some types of cancer. Making us feel better and alert. 2.Cons:   (1)Raising our heart rate and blood pressure, which c...
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The Arctic Is Warming Four Times Faster Than the Rest of the Planet

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9/23 pre work : Read half of the article and complete A&B part Vocabulary Study: (Please read the article and choose a word that means to you)  ex. 單字, 詞性(n./adj./v….), 例句 whop taper (v.) Ex:When the teacher's voice tapered off , all the students in the classroom paid attention to her. bluntly(adv.),She told me bluntly it was my own fault. freak (n./v.) Ex:A freak has just freaked me out in the alley. boundary(n.)The river mark the boundary between the forest and the city. catch (n.) Ex:There must be a catch in this question. Questions: (Make a question related to the article) (趙庭睿)What is the topic of the article? (林昱驊)What can we do to save the Arctic from melting away? (林廷曜）Aside from Arctic melting,what would temperature increasing affect? (林睿宏)How does the model simulation work? (許欣致)What are the benefits of improving model simulations? Answers (In class): (趙庭睿)The Arctic Is Warming Four Times Faster Than the Rest of the Planet. (林昱驊)We can use reusable food ware when we g...
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