【正文】
people will need bigger eyes to see __2627__ UV radiations (紫外線(xiàn)) are stronger on other plas than on the earth, people39。s skin (皮膚 ) won39。t be so __28__as before. What39。s more, people will not need to open their mouths to will municate by chips in their heads. What? You don39。t want a face like this? Don39。t will look like this in at least 20, 000 years. 21. B. hobby C. decision D. discussion 22. B. taller C. larger D. less 23. B. How C. Why D. Where 24. B. plas C. UFOs D. cities 25. B. on C. with D. from 26. B. loudly C. carefully D. quickly 27. B. Because C. And D. When 28. B. white C. black D. red 29. B. read C. sing D. speak 30. B. hope C. worry D. enjoy A C C B D A B B D