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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 at the British Psychological ( 心理学的) Society Annual Conference held in London, students who bring water into exams may improve their grades by up to 10 percent.

Scientists at the University of East London and the University of Westminster, UK, did a study on 447 students. The students were studying for different degrees (学历) at the University of East London. Only 25 percent of them entered the exam hall with something to drink.

Scientists then compared their exam results with their normal schoolwork grades. They found that all those who had brought drinks with them got better grades by between 2 and 10 percent.

It is unclear why 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 cut down on anxiety ( 焦虑), which has a bad effect on exam performances, according to Chris Pawson, PhD, of the University of East London.

“Whatever the explanation, it is clear that students should try hard to stay hydrated (含水的)with water during exams,” he said.

So next time, when you are going to have a big exam, try bringing a bottle of water with you.Who knows – it may help you pass the exam!

1.How much may the students improve their grades most if they bring water into exams?

A. By 2%. B. By 8%.

C. By 10%. D. By 25%.

2. How many students in the study got better grades?

A. About112 students who brought drinks or water into their exams.

B. All the447 students who come from the University of East London.

C. About300 students who took part in the study.

D. About10 percent of the students who studied different subjects.

3.The underlined phrase “cut down on” probably means _______.

A. increase B. bring

C. reduce D. change

4. According to the passage, how does water help students in exams?

a. It is good for their brains. b. It makes students smarter.

c. It helps students stay cool. d. It helps students stay awake.

A. a b B. a c

C. b c D. c d

5.Where can you probably read the article?

A. Fashion magazine.

B. Text book.

C. Travel guide.

D. Newspaper.

Answer 1

1.C

2.A

3.C

4.B

5.D

【解析】

试题分析：

1. 2 students who bring water into exams may improve their grades by up to 10 percent.句意：凡是考试带水的学生，其分数可能上升高达百分之十。

2. 3.Scientists at the University of East London and the University of Westminster, UK, did a study on 447 students…. Only 25 percent of them entered the exam hall with something to drink.句意：东伦敦大学和威斯敏思特大的科学家们对447个学生作了一项研究…只有百分之25 的学生考试时带喝的进考场。447×25%=111.75，约等于112人考试成绩有所提高。B.项“来自于东伦敦大学的447名学生成绩全都提高了。”；C.项“大约300学生参加了这项研究。”；D.“大约有百分之十学习不同学科的学生”成绩提高了。根据题意，A正确。

3. water may also cut down on anxiety ( 焦虑), which has a bad effect on exam performances,句意：喝水还可能降低焦虑，而焦虑会对考试发挥有着不良影响。A. increase “增加”；B. bring “带来”；C. reduce “减少，降低”；D. change “改变”；根据题意，C正确。

4. 推理判断题。原文：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 cut down on anxiety ( 焦虑),句意：但是科学家们说在我们体内有充足的水分和不感觉口渴会对我们的大脑有益喝水还可能降低焦虑。a. It is good for their brains. “有益于大脑”；b. It makes students smarter. “使学生更聪明”；c. It helps students stay cool. “有助于学生保持冷静”；d. It helps students stay awake. “有助于学生保持醒着”；根据题意，B正确。

5. Fashion magazine. “时尚杂志”；B. Text book “教科书”；C. Travel guide. “旅游指导”；D. Newspaper.“报纸”；纵观全文，D正确。

考点：科普说明文。