单词：central layer
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CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs
上海牛津初中英语九年级
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
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There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
英语课程学习计划和讲义
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
纯正英语一分钟
LONDON, Jan. 16 (Xinhua) -- Two people were killed and another two were injured after a helicopter crashed into a construction crane near Wandsworth Road, south of River Thames in central London earlier on Wednesday. Two people confirmed dead at scen
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CHANGSHA, July 5 (Xinhua) -- A section of a highway running near a major river in central China's Hunan Province caved in early Thursday, engulfing a passing vehicle and killing at least one person aboard. The cave-in, near the Poly International Pla
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