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C
Five years ago, when I taught art at a school in Seattle, I used Tinkertoys as a test at the beginning of a term to find out something about my students. I put a small set of Tinkertoys in front of each student, and said：“Make something out of the Tinkertoys. You have 45 minutes today—and 45 minutes each day for the rest of the week.”
A few students hesitated to start. They waited to see what the rest of the class would do. Several others checked the instructions and made something according to one of the model plans provided. Another group built something out of their own imaginations.
    Once I had a boy who worked experimentally with Tinkertoys in his free time. His constructions filled a shelf in the art classroom and a good part of his bedroom at home. I was delighted at the presence of such a student. Here was an exceptionally creative mind at work. His presence meant that I had an unexpected teaching assistant in class whose creativity would infect(感染) other students.
    Encouraging this kind of thinking has a downside．I ran the risk of losing those students who had a different style of thinking. Without fail one would declare, “But I’m just not creative.”
    “Do you dream at night when you’re asleep？”
    “Oh, sure.”
    “So tell me one of your most interesting dreams.” The student would tell something wildly imaginative. Flying in the sky or in a time machine or growing three heads. “That’s pretty creative. Who does that for you？”
    “Nobody. I do it.”
    “Really—at night, when you’re asleep？”
    “Sure.”
    “Try doing it in the daytime, in class, okay？”
 
28. The teacher used Tinkertoys in class in order to________．
A. know more about the students B. make the lessons more exciting
C. raise the students’ interest in art D. teach the students about toy design
29. What do we know about the boy mentioned in Paragraph 3?
A. He liked to help his teacher. B. He preferred to study alone.
C. He was active in class. D. He was imaginative.
30. What does the underlined word “downside” in Paragraph 4 probably mean?
A. Mistake. B. Drawback. C. Difficulty. D. Burden.
31. Why did the teacher ask the students to talk about their dreams?
A. To help them to see their creativity.
B. To find out about their sleeping habits.
C. To help them to improve their memory.
D. To find out about their ways of thinking.
 
D
A warm drink of milk before bed has long been the best choice for those wanting a good night’s sleep. But now a study has found it really does help people nod off—if it is milked from a cow at night.
    Researchers have discovered that “night milk” contains more melatonin(褪黑激素), which has been proven to help people feel sleepy and reduce anxiety.
    The study, by researchers from Seoul, South Korea, involved mice being fed with dried milk powder made from cows milked both during the day and at night.
    Those given night milk, which contained 10 times the amount of melatonin, were less active and less anxious than those fed with the milk collected during daytime, according to the study published in The Journal of Medicinal Food.
    Night milk quickened the start of sleep and caused the mice to sleep longer.
    While the effect of cows milk harvested at different time has not been tested on humans up to now, taking melatonin drugs has been suggested to those who are struggling to fall asleep at night.
    Previous studies have also indicated that milk can be excellent for helping sleep because of the calcium content, which helps people to relax.
    Milk is also sugar-free and additive-free with nutritionists recommending skimmed milk as the best choice before bed as it is the least fattening. The more fat you take in before bedtime, the greater burden you will put on your body at night.
 
32. According to the text, the mice fed with daytime milk________．
A. started sleep more easily B. were more anxious
C. were less active D. woke up later
33. Which of the following is true of melatonin according to the text?
A. It’s been tested on mice for ten times. B. It can make people more energetic.
C. It exists in milk in great amount. D. It’s used in sleeping drugs.
34. What can be a suitable title for the text?
A. Night Milk and Sleep B. Fat Sugar and Health
C. An Experiment on Mice D. Milk Drinking and Health
35. How does the author support the theme of the text?
A. By giving examples. B. By stating arguments.
C. By explaining statistical data. D. By providing research results.
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