慢速英语

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And every five to seven years,the batteries that supply power must be changed.This requires another operation.Dr. Marban says the devices are not right for all patients.And others are too sick to use ...

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A woman paralyzed from the neck down has learned to use her thoughts to control a specially-designed motorized arm.The arm is the product of years of research on mind-controlled artificial limbs.Resea...

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They gave away theatre tickets to the MPs. These tickets would admit the MPs to a musical play. The play was the same night as the vote against the slave trade. And some MPs went to see the play inste...

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London. The year is 1789. Bright sun shines through the large windows of a beautiful, old building. The Houses of Parliament — the centre of government for Britain and its colonies. Inside, government...

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The delegates accepted it.The word "slave" was never used in the Constitution.The document simply used the words "all other persons." The three-fifths rule remained the law until the Fourteenth Amendm...

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In May of 1787,a group of America's early leaders met in Philadelphia, Pennsylvania to amend the Articles of Confederation.That document established a loose union of the 13 states.Instead, the leaders...

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“People were shouting ‘Get up!’ ‘Run, run, gas has leaked!’ My brother got up and said ‘Everyone is running away, we too must run.’ I opened my eyes and saw that the room was full of white smoke. When...

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“The night the gas leaked, I was fixing clothes. I sat next to the door. It was around twelve o–clock at night. The children’s father had just returned from a poetry gathering. He came in and asked me...