发布时间 : 星期三 文章新标准大学英语视听说教程2答案更新完毕开始阅读
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Unit 9
Outside
1. 17 to 25 100 people Costa Rica ten weeks environmental community adventure 2.ddbba
3. during a gap year Communities in need get help arranges for taking part in protective environment breed and feed build a storehouse a survival activity
listening in
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unit 10
outside 1. 13568
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listening in
2. in technology who we are is a very dangerous thing all this information young people think in our behaviour some interesting questions
1. computers revolutionized send a document conference with people slow down more 2.dfbc gae
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