26. D. Record students’ weekly performance.
27. B. Lack of attention.
28. D. They should see to it that their children have adequate sleep.
29. C. She became a public figure.
30. C. A motorist’s failure to concentrate.
31. B. Nervous and unsure of herself.
32. D. Restrictions on cell phone use while driving.
33. A. There are too many kinds of cold viruses for them to identify.
34. B. They show our body is fighting the virus.
35. C. It actually does more harm than good.