单词：cross-over experiment
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each a.各自的，每 pron.每个，各自 eager a.热切的，渴望的 eagle n.鹰 ear n.耳朵，耳状物；听力，听觉 early ad.早，在初期；最早 a.早期的；早熟的 earn vt.挣得，
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[ti:UNIT 4 Look into Science! Lesson 25: Let's Do an Experiment!] [0:00.466]UNIT 4 第四单元 [0:02.644]Lessons 25～32 第25~32课 [0:05.438]Look into Science! 观察科学！ [0:07.483]You Will Learn 你将学到 [0:08.630]Functions 实际应用
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Unit 4 [00:02.98]Look into Science!How Can a Paper Have One Side? [00:10.63]A piece of paper has two sidess. [00:15.07]See?This piece of paper has a white side and a pink side. [00:22.44]In this experiment,In this experiment,we make a piece of paper
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The four scientists -- three men and one woman -- are taking part in this experiment designed to determine how well food, water, and oxygen can be used and recycled under controlled conditions. The test of the controlled ecological life support syste
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[00:02.99]3 Listen and order. [00:07.30]You will hear Miss Wang give instructions on [00:10.67]how to use a Bunsen burner. [00:14.04]Listen to the instructions [00:15.94]and number the pictures in the correct order. [00:20.12]Number the steps 1-8. [0
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It's always fun when my brother comes to visit from New Zealand. Because he is a math and science teacher, he often thinks of interesting things to do that fascinate the children. When he heard that one of my sons does experiments in the kitchen for
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Mary Morningstar Cross Canadian Ragweed formed in 1994, and spent the next eight years building a regional fan base in the southwestern U.S. The Oklahoma-based band released four albums on its own lab
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Sidney was a 14-year-old boy with an interest in the sciences. One summer day he started his own investigations. With his 12-year-old sister Sophie in tow, he caught a large bull frog in a local pond. Sidney started his experiment with the amphibian,
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Hot cross buns! Hot cross buns! One ha' penny, two ha' penny, Hot cross buns! If you have no daughters, Give them to your sons One ha' penny, Two ha' penny, Hot Cross Buns!
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check,examine,experiment,test check 指校对（文章、书信等）或找错、检查。 examine 表示察看或观察以了解情况，仔细检查。 experiment表示为了发现或证明某个事实而进行操作。 test表示以某种手段来试
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EDUCATION REPORT - Duke iPod Experiment By Nancy Steinbach Broadcast: Thursday, August 05, 2004 This is Steve Ember with the VOA Special English Education Report. Duke University in Durham, North Caro
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By Lisa Schlein Geneva 29 December 2007 The International Committee of the Red Cross has begun distributing essential items to more than 500 displaced families who have taken refuge in South Kivu in the eastern part of the Democratic Republic of Cong
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歌手介绍: Maria Arredondo，1985年七月六日降生于挪威的文内斯拉（Vennesla）小镇。和很多出色的歌手一样，Maria从很小的时候便显露了过人的音乐天赋。她的母亲说她是从会走路的那天起，就会唱歌了。她从10岁起就开始参加地区的各种歌唱比赛，成绩颇佳。她用了两年时
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Cross Every River As I sit here all quiet 当我坐在这里，四周一片寂静 Wonder why were apart 我们就这样分开了 And the noise from the city 城市的喧嚣 Cuts a hole thru the dark 将黑暗切出一个缺口 As the nighttime is fal
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