新策略大学英语听力教程第三册34页，46页中间的答案。还有第40页的原文

Question

如题所述

Answer 1

34页答案：
Listening Task 2
1. the global food crisis
2. The United States, Brazil, Argentina
3. integrating, conventional crop technology, crop biotechnology applications
4. increased yield, drought-tolerance, salt-tolerance, enhanced nutrition or other beneficial traits
5. widespread concerns on its health, environmental and socio-economic impact
46页答案：DBD
40页没有原文，只有答案：
1. No. 1 Amazon
　 No. 2 Apple
　 No. 3 Facebook
　No. 4 Google
　No. 48 Microsoft
2. social networking sites, 400 million, continually adding new features to provide users with a better user experience

Answer 2

估计找到很难