相关题目
23. Larry Rosen advises other professors not to follow Duncan＇s lead because
22. What experiment did Duncan carry out to reduce cellphone use in class?
21. What is the finding reported in Doug Duncan＇s published paper?
30. THe author suggests at the end of the passage that India＇s Prime Minister should
29. What has the sand mafia done to make the water problem worse?
28. What do we learn about the report by the National Aeronautics and Space Administration?
27. In addition to the climate, the author thinks another major cause of India＇s water problem is(
26. What is the water problem facing one quarter of India＇s population?
25. What is the difference between the two camps in their suggested solutions to the water problem?
24. A remarkable period began in the 1970s when(
