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Have you ever forgotten to bring your homework to school? Failed to remember new English words you just learned yesterday? Or couldn’t recall the math formula(公式) before an exam? Do not worry — sometimes every student forgets things. However, taking care of your memory is important for your studies. There are several simple habits that can help keep it sharp.

First, stay active both in body and mind. Daily exercise increases blood flow to your brain, which helps your memory. Aim for about 30 minutes of activity most days, such as doing morning exercises, running on the playground or skipping rope with classmates. Also, challenge your brain regularly. Reading storybooks, solving math problems, learning a new language skill, or joining a science club can keep your mind strong.

Another key is to live an orderly and socially healthy school life. Being with friends and classmates reduces study stress. At the same time, keep your school life organized. Write down homework tasks in your notebook or on a sticky note. Always put your textbooks and homework in fixed places in your schoolbag.

Your daily habits also matter a lot. Try to sleep 8 to 10 hours each night, because staying up late to play phone games or review for tests affects memory badly. Eat a balanced diet: have a nutritious breakfast every morning, eat plenty of fruits and vegetables at meals, and drink more milk. Avoid too many sugary drinks and junk food.

If memory loss starts to affect your school life, or if your teachers and parents express concern, it is wise to talk to them. They can help you find out the reasons and give useful advice.

1.1. How does the writer begin the passage?

A By asking questions.

B By giving examples.

C By comparing facts.

D By offering suggestions.

解析：选A。1.A推理判断题。第一段开头连续使用了三个问句（“你是否曾忘记带作业？是否记不住新单词？是否想不起数学公式？”），以此引出关于“记忆力”的话题。因此，作者是通过提问开篇的。B项（举例）、C项（对比事实）、D项（提供建议）均未在首段使用。故选A。

2.2. Which is NOT suggested to keep the mind strong?

A Reading storybooks.

B Playing phone games.

C Joining science clubs.

D Solving math problems.

解析：选B。2.B细节理解题。第二段明确列举了几种锻炼大脑的活动“Reading storybooks, solving math problems, learning a new language skill, or joining a science club”：读故事书、解决数学问题、学习新语言技能、参加科学俱乐部，对应A、C、D选项。而B选项“玩手机游戏”在第四段被提及，是影响记忆的负面行为，因此不属于文中建议的健脑活动。故选B。

3.3. Why does the writer mention “homework” and “textbooks”?

A To encourage hard work.

B To show orderly life ways.

C To discuss favorite subjects.

D To explain poor memory causes.

解析：选B。3.B推理判断题。第三段的核心主题是“保持校园生活有条理”。文中提到“把作业记在本子上”和“把课本、作业放在固定位置”，正是为了具体举例说明如何做到“有条理的生活”。A项（鼓励努力学习）、C项（讨论喜欢的科目）、D项（解释记忆力差的原因）均偏离了该段落的核心论述目的。故选B。

4.4. What can we learn about sleep from the text?

A The more sleep, the better.

B Sleep time is unimportant.

C Less sleep harms memory a lot.

D Ten-hour sleep is a must.

解析：选C。4.C推理判断题。第四段“staying up late to play phone games or review for tests affects memory badly.”明确指出“熬夜玩手机游戏或复习会严重影响记忆力”，由此可以推断出“睡眠不足会损害记忆功能”。A项（睡得越多越好）和D项（必须睡十小时）属于过度推断，原文只给出了8-10小时的建议范围。B项（睡眠时间不重要）与文章主旨完全相反。故选C。

5.5. What should students do if memory loss troubles them?

A Talk to teachers and parents.

B Stay up late to review lessons.

C Eat more sugary snacks often.

D Do more physical exercise alone.

解析：选A。5.A细节理解题。最后一段“If memory loss starts to affect your school life, or if your teachers and parents express concern, it is wise to talk to them. ”明确指出，当记忆力问题开始影响校园生活时，向老师和家长寻求帮助是明智之举。B项（熬夜复习）和C项（常吃含糖零食）是文中提到的损害记忆的行为。D项（独自多做运动）是预防性的好习惯，但并非针对“已出现困扰”时文中建议的具体解决措施。故选A。