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科学美国人60秒 SSS Weakest Piglets May Sneak Help from Strongest Siblings

Human parents usually have one or sometimes two offspring at a time, and when babies get delivered we pour all our energy into child rearing. But other animals raise lots of babies at once. And the weaker individuals can be at a big disadvantage. If

发表于:2018-12-02 / 阅读(99) / 评论(0)

2016年Scientific American(十二)月

step by step3000 第三册 11 A Fast Growing Economy: Tourism

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

发表于:2018-12-03 / 阅读(73) / 评论(0)

step by step 3000 第三册

stepbystep3000 第三册 Unit 2 Earth and Enronment

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step by step 3000 第三册

step by step3000第三册 Unit 6 Breakthroughs in Science

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step by step 3000 第三册

step by step3000第三册 Unit 7 Future of Communication

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step by step 3000 第三册

step by step3000第三册 Unit8 New Ideas,New Architecture

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step by step 3000 第三册

step by step3000 第三册 Unit 9 Ways to Travel

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step by step 3000 第三册

step by step3000 第三册 Unit 10 Love and Hate of Oil

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step by step 3000 第三册

step by step3000 第三册 Unit 12 Review

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step by step 3000 第三册

step by step3000第三册 Unit1 International Relations

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step by step 3000 第三册

step by step 3000 第三册Unit 5 New Explorations in Food

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step by step 3000 第三册

stepbystep3000 第三册 Unit 3 Econonc Developments

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step by step 3000 第三册

step by step 第四册 lesson 147

UNIT 74 RADIO PROGRAMS (Ⅳ) Lesson 147 Part Ⅰ Warming-up Exercises Note-taking: Radio Program Reminders 1. VOA / Fill Owen a. Paul Franchat: review of __________________ b. Barry Wood: ____________

发表于:2018-12-27 / 阅读(60) / 评论(0)

英语听力入门 (全四册)

step by step 第三册 lesson 106

Lesson 106 Part Ⅰ Lesson 106 Part Ⅰ Warming-up Exercises Numbers: Circulation of Some of the Popular Magazines in the United States Magazines Circulations 1. TV Guide __________________ 2. Reader'

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英语听力入门 (全四册)

step by step 第三册 lesson 117

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英语听力入门 (全四册)

step by step 第四册 lesson 133

UNIT 67 HEALTH AND MEDICINE (Ⅱ) Lesson 133 Part Ⅰ Warming-up Exercises Instruction-following: Medication Cure: _______________________ Preparation: tablets -- __________ water, dissolved Dosage: r

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英语听力入门 (全四册)

英语课程计划-National Siblings Day

National Siblings Day (NSD) is celebrated on April 10 each year in the USA. It is the brainchild of Claudia A. Evart, who created it after the deaths of her brother and sister. She wanted a day for all Americans to think about the importance of the r

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英语课程学习计划和讲义

VOA标准英语2012--Long-Lost Siblings Meet Up in 'People Like Us'

Long-Lost Siblings Meet Up in 'People Like Us' Sam is angry and reluctantly back home after learning his father has died. He's been estranged from the family for years. Now, his struggle with the flood of memories is complicated by the one thing bequ

发表于:2019-01-13 / 阅读(73) / 评论(0)

VOA标准英语2012年(七月)

step by step 3000 第三册 Unit 4 World News: Up in Space

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step by step 3000 第三册

美国国家公共电台 NPR Siblings Struggle (Hilariously) In Their Kid Brother's Shadow: 'The Other Two'

AUDIE CORNISH, HOST: A new sitcom premiering tonight on Comedy Central offers a unique look at how fame happens these days. NPR's Glen Weldon says The Other Two mixes over-the-top satire with a surprisingly warm, intimate sense of humor. GLEN WELDON,

发表于:2019-03-04 / 阅读(187) / 评论(0)

2019年NPR美国国家公共电台1月

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achievement ratio of bond flotation