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参考答案
1. recent survey
2. 80%
3. extensively networked
4. globe structure
5. insure
6. the operating standard
7. major driver
8. only reflects
9. connected to
10. may well predict
11．outlined for the economy
12．used to be
13. scientific and academic
14．commercial educational purposes
15. a wide range
16．language preference
17．Available
18．Preference
19．Spanish speaker
20. maintain pages
