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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
听一分钟英文-O
A mandatory meeting A: Paul? I need to work out a time to get together with your people. B: Does everybody need to be there? Hilary and Jason are on vacation this week. A: It would be best if everybody could be there. How about next week sometime? B:
办公室英语口语
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
今天我们要学的词是mandatory. Mandatory is spelled m-a-n-d-a-t-o-r-y, mandatory. Mandatory指强制性的，必须的。比如，mandatory retirement age 强制退休年龄。Bulgaria's Minister of Regional Development is calling for the intr
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