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阅读以下短文，从每小题所给的A、B、C、D四个选项中，选出一个与短文内容相符的最佳选项。
Do you often forget what you studied? Try being happy. A new study shows that
positive emotions can boost your memory and make learning more effective.
Last month, researchers invited 44 students to take part in an experiment. The students saw 144 different shapes. After each shape, they were shown a picture. Some pictures were happy, like smiling faces. Some were sad, like crying people. Some were neutral—neither happy nor sad.
A day later, the students were asked which shapes they could recall. The results were surprising: shapes paired with happy pictures were remembered much better than those paired with sad or neutral ones.
But the scientists wanted to know more. They used a special tool to watch the students' brain activity. They found that when people saw a shape that had been linked to a happy picture, their brains worked in a more organized way. One researcher explained, "When you are in a good mood, your brain stops worrying and starts to really organize what you learn. It files information in a way that's easier to recall later."
Sad feelings, however, put the brain in a "fight or flight" mode—it's busy getting ready for danger, not for memorizing new things.
So, next time you sit down to study, maybe the best preparation isn't tea or coffee—it's something that makes you smile. Create happy images in your mind while learning. Use pictures, stories, or think of fun ways to help you remember. These methods can help improve your memory. After all, a happy brain learns better.
（
A. If college students are better at learning than middle school students.
B. If sad pictures make people more worried.
C. If emotions can have an effect on how well we remember.
D. If special tools can watch brain activity.
（
A. They asked students to draw 144 shapes themselves.
B. They showed shapes first, then showed happy or sad pictures.
C. They showed happy pictures to all the students.
D. They asked students to write down their feelings.
（
A. The brain worked in a more organized way.
B. The brain became less active.
C. The brain stopped working for a short time.
D. The brain's left side became more active.
（
A. drink more tea or coffee
B. find something that makes us smile
C. try to stay awake all night
D. eat healthier food
（
A. To describe how a special brain tool works.
B. To tell students to study harder and longer.
C. To introduce a study about emotions and memory.
D. To explain why some people are always happy.
Do you often forget what you studied? Try being happy. A new study shows that
positive emotions can boost your memory and make learning more effective.
Last month, researchers invited 44 students to take part in an experiment. The students saw 144 different shapes. After each shape, they were shown a picture. Some pictures were happy, like smiling faces. Some were sad, like crying people. Some were neutral—neither happy nor sad.
A day later, the students were asked which shapes they could recall. The results were surprising: shapes paired with happy pictures were remembered much better than those paired with sad or neutral ones.
But the scientists wanted to know more. They used a special tool to watch the students' brain activity. They found that when people saw a shape that had been linked to a happy picture, their brains worked in a more organized way. One researcher explained, "When you are in a good mood, your brain stops worrying and starts to really organize what you learn. It files information in a way that's easier to recall later."
Sad feelings, however, put the brain in a "fight or flight" mode—it's busy getting ready for danger, not for memorizing new things.
So, next time you sit down to study, maybe the best preparation isn't tea or coffee—it's something that makes you smile. Create happy images in your mind while learning. Use pictures, stories, or think of fun ways to help you remember. These methods can help improve your memory. After all, a happy brain learns better.
（
C
）1. What did the experiment try to find out?A. If college students are better at learning than middle school students.
B. If sad pictures make people more worried.
C. If emotions can have an effect on how well we remember.
D. If special tools can watch brain activity.
（
B
）2. How did the researchers do the experiment?A. They asked students to draw 144 shapes themselves.
B. They showed shapes first, then showed happy or sad pictures.
C. They showed happy pictures to all the students.
D. They asked students to write down their feelings.
（
A
）3. What happened to the brain when people saw shapes paired with happy pictures?A. The brain worked in a more organized way.
B. The brain became less active.
C. The brain stopped working for a short time.
D. The brain's left side became more active.
（
B
）4. The writer suggests that before studying, we should B
.A. drink more tea or coffee
B. find something that makes us smile
C. try to stay awake all night
D. eat healthier food
（
C
）5. What is the main purpose of this passage?A. To describe how a special brain tool works.
B. To tell students to study harder and longer.
C. To introduce a study about emotions and memory.
D. To explain why some people are always happy.
答案
1. C 2. B 3. A 4. B 5. C
解析
【分析】
这是一篇英语阅读理解题，解题思路为：1. 先通读全文，把握文章核心内容；2. 针对每道题目，先明确题干关键词，再回到原文定位对应信息，对比选项选出与原文相符的答案；3. 主旨大意题需结合全文内容总结核心观点。
【解析】
1. 题干问实验目的，原文第一段提到“positive emotions can boost your memory”，实验围绕情绪对记忆的影响展开，对应选项C。
2. 题干问实验做法，原文第二段明确说明“学生先看144个不同形状，之后每个形状对应展示一张图片（有开心、悲伤、中性）”，对应选项B。
3. 题干问看到与开心图片关联的形状时大脑的状态，原文第四段提到“their brains worked in a more organized way”，对应选项A。
4. 题干问学习前的建议，原文最后一段指出“学习前最好的准备是让自己微笑的事物”，对应选项B。
5. 题干问文章主旨，全文围绕情绪与记忆的研究展开，对应选项C。
【答案】1.C 2.B 3.A 4.B 5.C
【知识点】英语阅读理解、细节理解、主旨大意
【点评】本文是科普类英语阅读理解，考查学生定位原文信息、理解细节及总结主旨的能力，题目以基础细节题为主，难度适中。
【难度系数】0.7
这是一篇英语阅读理解题，解题思路为：1. 先通读全文，把握文章核心内容；2. 针对每道题目，先明确题干关键词，再回到原文定位对应信息，对比选项选出与原文相符的答案；3. 主旨大意题需结合全文内容总结核心观点。
【解析】
1. 题干问实验目的，原文第一段提到“positive emotions can boost your memory”，实验围绕情绪对记忆的影响展开，对应选项C。
2. 题干问实验做法，原文第二段明确说明“学生先看144个不同形状，之后每个形状对应展示一张图片（有开心、悲伤、中性）”，对应选项B。
3. 题干问看到与开心图片关联的形状时大脑的状态，原文第四段提到“their brains worked in a more organized way”，对应选项A。
4. 题干问学习前的建议，原文最后一段指出“学习前最好的准备是让自己微笑的事物”，对应选项B。
5. 题干问文章主旨，全文围绕情绪与记忆的研究展开，对应选项C。
【答案】1.C 2.B 3.A 4.B 5.C
【知识点】英语阅读理解、细节理解、主旨大意
【点评】本文是科普类英语阅读理解，考查学生定位原文信息、理解细节及总结主旨的能力，题目以基础细节题为主，难度适中。
【难度系数】0.7
