1. Researchers say that ____ could help students improve their grades.
- A
drinking a cup of coffee
- B
listening to music
- C
taking water into exams
- D
eating healthy food
2. Psychologists ____ about the reason why drinking water could improve students’ performance.
- A
quite knew
- B
didn’t know clearly
- C
were clear
- D
were doubtful
3. The study showed that ____.
- A
all students at different levels averaged 10 percent better with drinks in exams
- B
taking water into exam halls had no effect on second year students
- C
taking water into exam halls had great effects on all students at different levels
- D
taking water into exam halls had great effects on students at foundation levels
4. Taking water into exam halls had larger effects on younger students because of those reasons except that ____.
- A
younger students could be more anxious
- B
younger students might not eat healthily
- C
younger students might have been out late the night before exams
- D
younger students couldn’t organize their life well
5. What can you learn from the study that researchers made?
- A
Researchers studied students of all levels.
- B
Researchers knew why students taking water into exam halls could improve their grades.
- C
The study was approved by all scientists.
- D
Researchers thought this study was important for younger students.