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Unit 4 Our Memory 单元练习
【教材语篇改编回顾】
A语法填空（改编自Section A 3a对话）
A Heartfelt Chat
Rick looked worried when Chen Jie saw him. He said that 1. 　 　 he visited his grandma yesterday， she kept calling him Johnny， which was his dad’s name. Worse still， she 2. 　 　（tell） him not to eat the cookies. She said she 3. 　 　（save） them for her grandson—who was actually Rick 4. 　 　（he）. Rick added that his parents would take his grandma 5. 　 　 hospital the next day.
Chen Jie comforted him， saying some elderly people’s 6. 　 　（memorize） declines（衰退） with age. She told him her grandpa even forgot 7. 　 　 way to the park. And he needed her 8. 　 　（walk） with him every weekend. She 9. 　 　（remind） Rick that his grandma still remembers he loves cookies. 10. 　 　（final）， Rick felt much better and thanked Chen Jie.
B选词填空（改编自Section B 1b短文）
be　discuss　type　quiet　two　memory know　sure　work　health　hear　easy
Would you like to improve your memory？ First， it’s necessary 1. 　 　 how memory works. There are two main 2. 　 　： short-term memory and long-term memory. The key is to move what you learn into long-term memory， and here 3. 　 　 some practical ways.
First， pay close attention and take notes of key points—summaries are much 4. 　 　 to remember than full passages. 5. 　 　， follow the “use it or lose it” rule： review what you’ve learned regularly， but avoid making your brain 6. 　 　 too hard. Study for 40 minutes and then take a break， or review by 7. 　 　 with peers or teaching others. Third， use your senses： organize information with tables， graphs or mind maps， or turn facts into a mental story. Listening to recorded materials also helps. Last but not least， keep 8. 　 　.
Good sleep helps your brain sort 9. 　 　； balanced food fuels your brain； and regular exercise improves both your body and memory. Try different methods and find what works best for you. You will 10. 　 　 improve your memory！
C语法填空（改编自Section B 3a短文）
Friday， 20 November
I used to feel stressed about giving speeches. I spent hours 1. 　 　（memorize） every word. But I always forgot some 2. 　 　（part）. Last week， I searched for 3. 　 　（use） methods online and asked friends for advice. 4. 　 　（one）， I learned to make a speech outline. Instead 5. 　 　 remembering all words， I noted key words， visualized（构思） them 6. 　 　 linked them in order. Then， I 7. 　 　（divide） the speech into short sections. I practised each part thoroughly before moving to 8. 　 　 next， which helped me find my weak points. Besides， a friend told me to stay 9. 　 　（confidence）—no one else knows my speech， so I shouldn’t panic if I forget something. I tried these 10. 　 　（method）， and my speech today was a big success！
【主题情境深度阅读】
　　动物和人一样也有一定的记忆能力，例如鱼能记住自己的主人；而人类为了提高记忆力，也有独特的方法。
情境一 动物世界里有很多神奇的事情，如蚂蚁通过数步数认路、鱼类靠嗅觉辨别方向等。
一、 完形填空
Some animals can easily find their way home after a long journey. How do 　1　 make it？
Scientific research shows that they are 　2　 with certain unusual abilities for direction. For example， a certain kind of ants can count their steps to keep them from getting 　3　. They can go as far as 1，100 metres and 　4　 food home. These ants live in the open desert， so they have 　5　 to guide them along the way. It’s like someone walking six kilometres 　6　 a dark forest.
Some fish have a（n） 　7　 sense of smell. They can smell even a single drop of their home water in a large sea area. Some seabirds have a similar 　8　. They can make a smell 　9　 of their flying area. The map can help them find the way.
Some animals can sense the earth’s magnetic field（磁场）， 　10　 humans can’t. This magnetic field guides a certain kind of fish when they swim a long 　11　 to a place and then come back. How can this kind of fish do that？ It is 　12　 a secret. Scientists have no correct 　13　 yet.
However， animals with such unusual abilities still have difficulty dealing with environmental changes caused by human activities. For example， many birds depend on stars for 　14　， but they get lost easily at night when city lights are kept on all night. To solve this problem， we can simply 　15　 some lights at night. Clearly， one small act of humans may mean a lot to animals.
1. A. he B. we C. they D. she
2. A. good B. born C. busy D. friendly
3. A. lost B. quiet C. patient D. quick
4. A. create B. talk C. weigh D. bring
5. A. something B. nothing C. everything D. anything
6. A. off B. with C. on D. through
7. A. correct B. safe C. central D. unbelievable
8. A. ability B. address C. stamp D. dessert
9. A. secret B. picture C. map D. note
10. A. while B. if C. before D. until
11. A. river B. way C. idea D. water
12. A. well B. only C. still D. just
13. A. books B. questions C. ideas D. answers
14. A. review B. direction C. request D. reunion
15. A. turn on B. give up C. turn off D. put on
深度阅读·回答问题
16. Please give a proper title for the passage.
情境二 人们普遍认为鱼的记忆不超过七秒，但研究者通过实验发现鱼的记忆力远超以往认知。
二、 阅读理解
It’s a common belief that fish can remember anything for no longer than seven seconds. It may seem sad to think that every moment in their lives would be like seeing the world for the first time. But don’t be so quick to feel sorry for them. A new study has found that fish have much better memories than we used to think.
In the study， researchers trained a kind of fish called African cichlids to go to a certain area of their tank to get food. They took the fish out and then waited for 12 days before putting them back in the tank again. They found that after a long break the fish still went to the same place where they first got food.
In fact， scientists had been thinking for a long time that African cichlids might have a good memory. But there was no clear evidence until the latest findings.
Just as a good memory can make our lives easier， it also plays an important part when a fish is trying to survive in the wild. “If fish are able to remember that a certain area contains safe food， they will be able to go back to that area without putting their lives in danger，” a researcher said.
So next time you are watching your pet fish from outside the tank， perhaps you should be closer to them—they may remember who you are.
1. What is the author’s attitude towards fish’s memory？
A. Doubtful. B. Surprised. C. Supportive. D. Uninterested.
2. How does the author develop Paragraph 2？
A. By telling a story. B. By giving an example.
C. By asking questions. D. By listing numbers.
3. Which of the following shows the structure of the passage？
A. ①/②③/④/⑤ B. ①②/③/④⑤ C. ①/②/③④/⑤ D. ①②③/④/⑤
4. What’s the writer’s purpose in writing the passage？
A. To describe the living environment of African cichlids.
B. To advise people to keep African cichlids as pets.
C. To explain why fish need to remember food places.
D. To tell people a new study about fish’s memory.
深度阅读·根据短文内容填空　
5. In the study， researchers made African cichlids stay out of the tank for 　 　.
情境三 为了记住所学内容，你应该怎么做？
三、 语法填空
Do you have a good memory？ Are you good at remembering things？ 1. 　 　（help） yourself remember what you’ve learned， you are encouraged to use some useful ways to study. Try these 2. 　 　（suggest）， and you will be surprised how easy it is to remember things.　
Write down things you need to keep 3. 　 　 mind.
Research has shown that within two days of getting new information， you forget 60％ of it. But you can remember more if you write down the information. So write down 4. 　 key information in your textbooks. You can also make a mind map—place the main idea in the centre， and use lines to connect related information.
Read and share what you are learning.
Saying words out loud can be helpful. According to the research at a university， you are more likely to remember information that you have read aloud to 5. 　 　（you）. Besides， try to teach your study topics to other people. It’s good for you because it makes you 6. 　 　（think） about your learning materials more deeply.
Go to sleep after learning.
Research shows that going to sleep 7. 　 　（short） after a study period will improve your recall of the materials you just studied. That is 8. 　 　 when you sleep， your brain turns facts from short-term memory 9. 　 　 long-term memory. So if you need to learn something 10. 　 　（challenge）， do it a few hours before you go to sleep.
深度阅读·判断正（　T　）误（　F　）
11. A few hours before bedtime is a good time to learn challenging knowledge.　
情境四 不花钱也能提高记忆力和学得更好，你相信吗？
四、 任务型阅读
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
A. In a study， even older adults who rested for 10 minutes after learning new words remember more words and better. B. Reading aloud can not only improve our English but also train our memory. C. Today we will introduce some no-cost things you can do. D. A study shows that sleep helps you to learn in two ways. E. Scientists say the best time to exercise is right before you study. F. You could ask yourself what they mean or how they are used.
Many students want to improve their memories and learn better. 1. 　　
Exercise　Before you study， doing exercise may help you better remember what you will learn. Recently， researchers have found that people who do 15 minutes of training remember more words. 2. 　　 It can make you more active.
Pre-study test　The students who take a test before studying remember more information than those who don’t. For example， if you are using an English textbook， you might first look at some important words at the end of the unit. 3. 　　 While you might not know the answer， you will probably have a goal to learn so that you can remember the answer when studying！
Sleep　4. 　　 An expert explains that “a person with enough sleep can concentrate best”. He also says， “Sleep itself plays an important role in making the memory stronger， which is necessary for learning new information.”
Wakeful rest　When you finish studying， you often go straight to another activity. Perhaps you play a video game or watch TV. But researchers suggest that resting after you study may help you remember what you’ve studied. 5. 　　　
深度阅读·回答问题
6. What do you think is the best way to improve your memory？ Answer the question with at least 20 words.
参考答案
Unit 4 Our Memory 单元提优
【教材语篇改编回顾】
A语法填空（改编自Section A 3a对话）
A Heartfelt Chat
Rick looked worried when Chen Jie saw him. He said that 1. 　when　 he visited his grandma yesterday， she kept calling him Johnny， which was his dad’s name. Worse still， she 2. 　told　（tell） him not to eat the cookies. She said she 3. 　was saving　（save） them for her grandson—who was actually Rick 4. 　himself　（he）. Rick added that his parents would take his grandma 5. 　to　 hospital the next day.
Chen Jie comforted him， saying some elderly people’s 6. 　memory　（memorize） declines（衰退） with age. She told him her grandpa even forgot 7. 　the　 way to the park. And he needed her 8. 　to walk　（walk） with him every weekend. She 9. 　reminded　（remind） Rick that his grandma still remembers he loves cookies. 10. 　Finally　（final）， Rick felt much better and thanked Chen Jie.
B选词填空（改编自Section B 1b短文）
be　discuss　type　quiet　two　memory know　sure　work　health　hear　easy
Would you like to improve your memory？ First， it’s necessary 1. 　to know　 how memory works. There are two main 2. 　types　： short-term memory and long-term memory. The key is to move what you learn into long-term memory， and here 3. 　are　 some practical ways.
First， pay close attention and take notes of key points—summaries are much 4. 　easier　 to remember than full passages. 5. 　Second　， follow the “use it or lose it” rule： review what you’ve learned regularly， but avoid making your brain 6. 　work　 too hard. Study for 40 minutes and then take a break， or review by 7. 　discussing　 with peers or teaching others. Third， use your senses： organize information with tables， graphs or mind maps， or turn facts into a mental story. Listening to recorded materials also helps. Last but not least， keep 8. 　healthy　.
Good sleep helps your brain sort 9. 　memories　； balanced food fuels your brain； and regular exercise improves both your body and memory. Try different methods and find what works best for you. You will 10. 　surely　 improve your memory！
C语法填空（改编自Section B 3a短文）
Friday， 20 November
I used to feel stressed about giving speeches. I spent hours 1. 　memorizing　（memorize） every word. But I always forgot some 2. 　parts　（part）. Last week， I searched for 3. 　useful　（use） methods online and asked friends for advice. 4. 　First　（one）， I learned to make a speech outline. Instead 5. 　of　 remembering all words， I noted key words， visualized（构思） them 6. 　and　 linked them in order. Then， I 7. 　divided　（divide） the speech into short sections. I practised each part thoroughly before moving to 8. 　the　 next， which helped me find my weak points. Besides， a friend told me to stay 9. 　confident　（confidence）—no one else knows my speech， so I shouldn’t panic if I forget something. I tried these 10. 　methods　（method）， and my speech today was a big success！
【主题情境深度阅读】
　　动物和人一样也有一定的记忆能力，例如鱼能记住自己的主人；而人类为了提高记忆力，也有独特的方法。
情境一 动物世界里有很多神奇的事情，如蚂蚁通过数步数认路、鱼类靠嗅觉辨别方向等。
一、 完形填空
Some animals can easily find their way home after a long journey. How do 　1　 make it？
Scientific research shows that they are 　2　 with certain unusual abilities for direction. For example， a certain kind of ants can count their steps to keep them from getting 　3　. They can go as far as 1，100 metres and 　4　 food home. These ants live in the open desert， so they have 　5　 to guide them along the way. It’s like someone walking six kilometres 　6　 a dark forest.
Some fish have a（n） 　7　 sense of smell. They can smell even a single drop of their home water in a large sea area. Some seabirds have a similar 　8　. They can make a smell 　9　 of their flying area. The map can help them find the way.
Some animals can sense the earth’s magnetic field（磁场）， 　10　 humans can’t. This magnetic field guides a certain kind of fish when they swim a long 　11　 to a place and then come back. How can this kind of fish do that？ It is 　12　 a secret. Scientists have no correct 　13　 yet.
However， animals with such unusual abilities still have difficulty dealing with environmental changes caused by human activities. For example， many birds depend on stars for 　14　， but they get lost easily at night when city lights are kept on all night. To solve this problem， we can simply 　15　 some lights at night. Clearly， one small act of humans may mean a lot to animals.
1. A. he B. we C. they D. she C
2. A. good B. born C. busy D. friendly B
3. A. lost B. quiet C. patient D. quick A
4. A. create B. talk C. weigh D. bring D
5. A. something B. nothing C. everything D. anything B
6. A. off B. with C. on D. through D
7. A. correct B. safe C. central D. unbelievable D
8. A. ability B. address C. stamp D. dessert A
9. A. secret B. picture C. map D. note C
10. A. while B. if C. before D. until A
11. A. river B. way C. idea D. water B
12. A. well B. only C. still D. just C
13. A. books B. questions C. ideas D. answers D
14. A. review B. direction C. request D. reunion B
15. A. turn on B. give up C. turn off D. put on C
深度阅读·回答问题
16. Please give a proper title for the passage.
How Animals Find Their Way Home（言之有理即可）
情境二 人们普遍认为鱼的记忆不超过七秒，但研究者通过实验发现鱼的记忆力远超以往认知。
二、 阅读理解
It’s a common belief that fish can remember anything for no longer than seven seconds. It may seem sad to think that every moment in their lives would be like seeing the world for the first time. But don’t be so quick to feel sorry for them. A new study has found that fish have much better memories than we used to think.
In the study， researchers trained a kind of fish called African cichlids to go to a certain area of their tank to get food. They took the fish out and then waited for 12 days before putting them back in the tank again. They found that after a long break the fish still went to the same place where they first got food.
In fact， scientists had been thinking for a long time that African cichlids might have a good memory. But there was no clear evidence until the latest findings.
Just as a good memory can make our lives easier， it also plays an important part when a fish is trying to survive in the wild. “If fish are able to remember that a certain area contains safe food， they will be able to go back to that area without putting their lives in danger，” a researcher said.
So next time you are watching your pet fish from outside the tank， perhaps you should be closer to them—they may remember who you are.
1. What is the author’s attitude towards fish’s memory？C
A. Doubtful. B. Surprised. C. Supportive. D. Uninterested.
2. How does the author develop Paragraph 2？B
A. By telling a story. B. By giving an example.
C. By asking questions. D. By listing numbers.
3. Which of the following shows the structure of the passage？A
A. ①/②③/④/⑤ B. ①②/③/④⑤ C. ①/②/③④/⑤ D. ①②③/④/⑤
4. What’s the writer’s purpose in writing the passage？D
A. To describe the living environment of African cichlids.
B. To advise people to keep African cichlids as pets.
C. To explain why fish need to remember food places.
D. To tell people a new study about fish’s memory.
深度阅读·根据短文内容填空　
5. In the study， researchers made African cichlids stay out of the tank for 　12/twelve days　.
情境三 为了记住所学内容，你应该怎么做？
三、 语法填空
Do you have a good memory？ Are you good at remembering things？ 1. 　To help　（help） yourself remember what you’ve learned， you are encouraged to use some useful ways to study. Try these 2. 　suggestions　（suggest）， and you will be surprised how easy it is to remember things.　
Write down things you need to keep 3. 　in　 mind.
Research has shown that within two days of getting new information， you forget 60％ of it. But you can remember more if you write down the information. So write down 4. 　the　 key information in your textbooks. You can also make a mind map—place the main idea in the centre， and use lines to connect related information.
Read and share what you are learning.
Saying words out loud can be helpful. According to the research at a university， you are more likely to remember information that you have read aloud to 5. 　yourself　（you）. Besides， try to teach your study topics to other people. It’s good for you because it makes you 6. 　think　（think） about your learning materials more deeply.
Go to sleep after learning.
Research shows that going to sleep 7. 　shortly　（short） after a study period will improve your recall of the materials you just studied. That is 8. 　because　 when you sleep， your brain turns facts from short-term memory 9. 　into　 long-term memory. So if you need to learn something 10. 　challenging　（challenge）， do it a few hours before you go to sleep.
深度阅读·判断正（　T　）误（　F　）
11. A few hours before bedtime is a good time to learn challenging knowledge.　T
情境四 不花钱也能提高记忆力和学得更好，你相信吗？
四、 任务型阅读
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
A. In a study， even older adults who rested for 10 minutes after learning new words remember more words and better. B. Reading aloud can not only improve our English but also train our memory. C. Today we will introduce some no-cost things you can do. D. A study shows that sleep helps you to learn in two ways. E. Scientists say the best time to exercise is right before you study. F. You could ask yourself what they mean or how they are used.
Many students want to improve their memories and learn better. 1. 　C　
Exercise　Before you study， doing exercise may help you better remember what you will learn. Recently， researchers have found that people who do 15 minutes of training remember more words. 2. 　E　 It can make you more active.
Pre-study test　The students who take a test before studying remember more information than those who don’t. For example， if you are using an English textbook， you might first look at some important words at the end of the unit. 3. 　F　 While you might not know the answer， you will probably have a goal to learn so that you can remember the answer when studying！
Sleep　4. 　D　 An expert explains that “a person with enough sleep can concentrate best”. He also says， “Sleep itself plays an important role in making the memory stronger， which is necessary for learning new information.”
Wakeful rest　When you finish studying， you often go straight to another activity. Perhaps you play a video game or watch TV. But researchers suggest that resting after you study may help you remember what you’ve studied. 5. 　A　　
深度阅读·回答问题
6. What do you think is the best way to improve your memory？ Answer the question with at least 20 words.
Practise active recall like reviewing notes daily， get enough sleep and exercise. I think these habits help strengthen my memory effectively.（言之有理即可）

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