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【题目】A recent study suggested that taking a bottle of water into the exam hall could help students improve their grades.

According to the study those who brought drinks, 【1】 (especial) water, with them when sitting their exams performed up to 10 percent better than those who did not.

Comparing their exam results with their normal schoolwork grades, scientists then found that all those who 2 (bring) drinks with them got better grades 3 between 2 and 10 percent.

It is unclear 4 drinking water improves exam results. But scientists say having enough water in our bodies and not feeling thirsty could have a 5 (help)effect on our brains. Drinking water may also cut 6 on anxiety, 7 has a bad effect on exam performances.

Whatever the explanation, it is obvious that students should try hard to keep enough water in their bodies during exams. So next time, 8 you are going to have a big exam, try 9 (bring) a bottle of water with you. Who knows it 【10 help you pass the exam!

【答案】

【1】especially

【2】had brought

【3】by

【4】why

【5】helpful

【6】down

【7】which

【8】when/whenever

【9】bringing

【10】may/might

【解析】

试题分析:研究表明:考试时及时补充水能提高考试成绩。

【1】especially.考查副词。此处指尤其是带水的学生,做状语用副词表示尤其,故填especially.

【2】had brought.考查时态。句中包含宾语从句,主句是过去时根据动作先后和句意,从句用过去完成时。故填had brought.

【3】by.考查介词。此处指分数提高由2%到10%,表示用介词by。故填by

【4】why.考查副词。句意:喝水为什么能提高成绩还不清楚。此处表示原因,故填why.

【5】helpful.考查形容词。此处修饰名词effect用形容词,指有帮助的效果。故填helpful.

【6】down考查固定短语。cut down削减,减少,此处指减少焦虑,故填down.

【7】which考查关系代词。句中包含非限制性定语从句,先行词是anxiety指物,在定语从句中做主语,故填关系代词which.

【8】when/whenever.考查连词。此处指下次,当你有大考试时,或无论什么时候有大考试。指时间故填when/whenever.

【9】bringing.考查动词形式。此处表示试着做某事,用try doing. 故填bringing.

【10】may/might.考查情态动词。上文提到喝水能提高成绩的原因还不明确,所以此处表示可能,故填情态动词may/might.

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