题目

What should you take in with you when you take an exam? Pen, pencil, eraser, ruler... and don’t forget a bottle of water! According to a study held in London, students ___25___ (bring) water into exams may improve their grades by up to 10%. Scientists in UK did the study on 448 students. The students were studying for a different degree at the University of East London. Only 25% of them entered the exam hall with water. Scientists then compared their exam results with their normal schoolwork grades. They found that all those who ___26___ (bring) water with them got better grades by 2% to 10%. Scientists also predicted the students’ scores according to their normal schoolwork. They wrote down their possible scores on paper ___27___ the students took exams. It is unclear ___28___ drinking water improves exam results. But scientists say having enough water in our bodies and not feeling thirsty could have a helpful effect on our brains. Drinking water may also reduce anxiety, ___29___ has a bad effect on exam performances. “___30___” the explanation is, it is clear that students ___31___ try hard to stay hydrated (含水的）with water during exam,” one of the scientists said. So next time, when you are doing to have a big exam, try ___32___ (furnish) yourself with a bottle of water. It may help you pass the exam! 答案：25. bringing            26. had brought           27. before      28. why 29. which              30. Whatever            31. should       32. furnishing

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