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From VOA Learning English, this is the Health Lifestyle report. Our brains are protected by our skull. But that is not the only protection it has. A natural barrier around our brains prevents germs and other damaging substances in the blood from ente

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AS IT IS 2015-09-30 Glider Plane to Soar Stratosphere for Data Gliders are light aircraft that fly with no engine. They are pulled by a powered plane into the sky and set free to fly on air currents. They soar on wind currents called mountain waves.

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Boka looked at Jack and grinned. Ready? heasked. I'm ready! said Annie. Where do we get oursurfboards?Down there, said Kama. She pointed to a rockypath that led to the beach. Let's go, said Annie. Annie, Boka, and Kama started down the path. Jackfoll

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Timetomakeacircle.( Everyonerushestothecenteroftheroomandholdshandsinacircle. ) Makeacircle,bigbigbig.( Makethecirclebigger. )
 Smallsmallsmall.( Makethecirclesmaller. )
 Bigbigbig.( Makethecirclebigger. )
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III. Listening In Task 1: Soft answers turn away wrath. Son: Hi, mom, what are we having for dinner tonight? Mom: I havent started yet. Why, have you any requires? Son: How about tsunami for a changeI dont know what is, but I heard some Japanese peop

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Have Scientists Discovered a Radio Space Shield? Space, it turns out, is not a very safe place for electronic devices. High-energy space particles can cause serious problems for satellites and electronic equipment, even on the Earths surface. These p

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like waves to the shore part of the ocean the stars high above part of the sky 就像波涛之于海岸 就像星辰之于夜空 now i drift to you i dream of a river a water so blue wish i could live there 我飘向你 梦中的河流如此湛蓝 wish you were here 愿你在此驻

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Its summer again and blue is the sky Heatwavess on and crime rate is high Is this what we asked for Is this what we want As long as the temperatures rising Its all right Its ok It s all right Where do you go? When the sun shines What do you do? When

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During lunch the clouds started to advance, 在我们吃午饭的时候， slinking across the blue sky, darting in front of the sun momentarily, casting long shadows across the beach, and blackening the waves. 云层开始向前推移，偷偷地蚕食

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Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

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The ground may feel solid, but far beneath our feet, extremely hot rock at extremely high pressure is flowing like slow, underground rivers. No one has ever seen that far into the earth, but we see the results of that movement in every earthquake and

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Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

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Those waves hitting the sand actually begin far out at sea. And it doesnt take much to get them going. A little wind will do the trick. First the wind blows over the surface of the water, generating the little ripples you can see just by blowing acro