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1、自主預習 課前預習區(qū) DAY 10 Reading the tea leaves about whether drinking green tea is good for you 自主學習文本 自我思考問題 自行查閱資料 I. 寫出下列詞匯的漢語釋義 （1）第一組形容詞5個（adj.）： 1. relative相比較而言的，相對的 2. responsible 有責任，負責，承擔義務 3. insufficient 不充分的，不足的，不夠重要的 4. observational 觀察的 5. harmful 有害

2、的，導致?lián)p害的 （2）第二組動詞4個（v.）： 1. process加工，處理 2. skip 蹦蹦跳跳地走；不做（應做的事等），不參加 3. establish建立，創(chuàng)立，設立；確立 4. wonder 想知道，想弄明白，琢磨 （3）第三組名詞7個（n.）： 1. concentration濃度，含量 2. compound 復合物，混合物 3. review 評審，審查；報告，匯報 4. preparation 準備；（醫(yī)藥、化妝品等）配制品，制劑 5. ethnicity 種族淵源，種族特點 6. a broad r

3、eview of research 研究綜述 7. conclusion結論，推論 II. 詞匯拓展積累 1. relative adj相比較而言的，相對的 → relativity n. 相對論；相對性 2. responsible adj. 有責任的，有義務的→ responsibility n. 責任，負責 3. insufficient adj. 不充分的，不足的 → insufficiency n. 不足，不充分 4. observational adj. 觀察的，觀測的 →observation n. 觀察，觀測，監(jiān)視→observe v. 看到，注意到，觀察到

4、 5. harmful adj. 有害的，導致?lián)p害的→harm v.& n. 傷害，損害 6. establish v. 建立，創(chuàng)立，設立→establishment n. 機構，大型組織；建立，創(chuàng)立 7. concentration n. 濃度，含量→ concentrate v. 集中（注意力），聚精會神 8. ethnicity n. 種族淵源，種族特點→ ethnic adj. 民族的，種族的 9. conclusion n. 結論，推論→ conclude v. 斷定，推斷出，得出結論 III. 重點短語英譯漢 1. high concentration高濃度

5、 2. oxidative stress 氧化性應激 3. lose weight 減肥 4. randomized control trials 隨機對照試驗 5. Study found that……研究表明…… 6. be equivalent to 等于，相當于 7. reduce the risk of cancer 減少癌癥的風險 8. a preventative effect 預防作用 IV. 翻譯下列句子 1. Green and black tea come from the same plant, but green tea is less

6、processed. Because of this, it has a relatively high concentration of something called catechins（兒茶素）. Catechins are part of a bioactive compound known as a flavonoid（類黃素）, which is thought to reduce oxidative stress. 翻譯：綠茶和紅茶來自同一種植物，但綠茶加工較少。正因如此，它兒茶素濃度含量小隊較高。兒茶素是一種被被稱為類黃酮的生物活性化合物的一部分，它被認為可以減少氧化應激。

7、 2. Green tea may help people lose weight but probably not enough so they can skip a workout or eat an extra piece of pie. One review looked at randomized control trials where people were given a preparation of green tea. There was a small amount of weight loss, particularly for Asians, but it was

8、unclear whether it was the caffeine, green tea or ethnicity that was responsible. 翻譯：綠茶可以幫助人們減肥，但覺得喝了綠茶就可以不鍛煉或者可以多吃一塊餡餅還遠遠不夠。一項研究審視了一些隨機對照試驗，在這些試驗中，人們被給予了綠茶制劑。（喝了這些職級的人）體重有輕微減輕，特別是亞洲人，但尚不清楚是咖啡因、綠茶還是種族特點引起的。 3. Another study found that when people did lose weight through green tea, they were not dr

9、inking actual tea but preparations of concentrated green tea that are equivalent to 15 cups of normal green tea a day. 翻譯：另一項研究發(fā)現(xiàn)，當人們通過綠茶減肥時，他們不是喝真正的茶，而是喝濃縮綠茶的制劑，相當于每天15杯普通綠茶。 4. In 2009, experts conducted a broad review of research on green tea but found insufficient evidence that it prevents can

10、cer. Observational studies seem to show it slows the growth of precancerous lesions（癌前病變）, but experts have been unable to establish whether or not it reduces the risk of cancer itself. 翻譯：2009年，專家們對綠茶的研究進行了廣泛的審視，但沒有足夠的證據(jù)證明綠茶可以預防癌癥。觀察性研究似乎顯示它能減緩癌前病變的生長，但專家們無法確定它是否能降低癌癥本身的風險。 你的感悟：

11、 生活當中，很多細小的決定會對整體健康產生很大的影響。例如：走樓梯兩分鐘、選擇吃燒烤而不是油炸食物，或者拒絕額外的一杯葡萄酒，都可以延長壽命。 考慮到這些問題的重要性，有些人想知道他們是否應該放棄早晨的咖啡而選擇綠茶。關于綠茶益處的證據(jù)仍在研究之中，我們不知道它是否是更健康的選擇。但是，如果你想轉變一下生活方式，那么你可以考慮一下。 本文節(jié)選自 CNN Hot beverages may cause cancer 10 喝綠茶真的對身體有好

12、處嗎？ 課程導讀 Reading the tea leaves about whether drinking green tea is good for you Green and black tea come from the same plant, but green tea is less processed. Because of this, it has a?relatively high concentration?of something called catechins（兒茶素）. Catechins are part of a bioactive c

13、ompound known as a flavonoid（類黃素）, which is thought to reduce oxidative stress. Green tea may help people lose weight but probably not enough so they can skip a workout or eat an extra piece of pie. One review looked at randomized control trials where people were given a preparation o

14、f green tea. There was a small amount of weight loss, particularly for Asians, but it was unclear whether it was the caffeine, green tea or ethnicity that was responsible. Another study found that when people did lose weight through green tea, they were not drinking actual tea but p

15、reparations of concentrated green tea that are equivalent to 15 cups of normal green tea a day. Even with that high concentration, any weight loss was small and unlikely to reach the 5% to 10% of body weight needed to improve cardiovascular health. In 2009, experts conducted a broad review

16、of research on green tea but found insufficient evidence that it prevents cancer. Observational studies seem to show it slows the growth of precancerous lesions（癌前病變）, but experts have been unable to establish whether or not it reduces the risk of cancer itself. Studies since the review, including a

17、 prostate and colorectal cancer（結直腸癌）randomized trial, have likewise not been able to establish a preventative effect. If all this leaves you still wondering if green tea is good for you, the larger studies do share one conclusion: it does not appear to be harmful. "If it's something you enjoy, then you should have it. A cup or two of green tea with a healthy diet of fruits and vegetables is great" said the researchers. 7