2023年山东省济南市中考一轮培优试题 人教版七年级上册Units5-9（含答案）
文档属性
| 名称 | 2023年山东省济南市中考一轮培优试题 人教版七年级上册Units5-9（含答案） |  | |
| 格式 | docx | ||
| 文件大小 | 60.8KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教新目标(Go for it)版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-03-12 08:18:21 | ||
图片预览
文档简介
中考一轮复习(人教版)培优试题 七(上) Units 5～9
一、完形填空
Could you live for one month without buying anything new Buy Nothing New Month __1__ in Australia in 2010. It challenges people once a year to buy nothing new— 2 food, products used for hygiene(卫生), and medicine—for 30 days.
The aim is to 3 people to be less wasteful. It also makes us think about the 4 our shopping habits have on the environment. 5 the challenge is not simply about shopping for nothing. People can 6 other creative ways to get the things they want. Here are a few examples of how to buy nothing new.
Many people shop for secondhand products at places like thrift stores(旧货商店) and flea(跳蚤) __7__. You can __8__ find lots of things at good prices, and your money often goes to a good cause. While you're there, why not 9 something you no longer use so someone else can buy it
With the Internet, swapping(交换) is 10 than ever before. There are many 11 , such as , where you can post a photo of something you don't need. Then, other users can 12 something as a swap.
Upcycling(升级改造) involves turning something you no longer need into something much more 13 . For example, you can turn a(n) 14 drink bottle into a beautiful vase(花瓶), or an old door into an interesting table.
So why not try the challenge for 15 You can be a friend to the environment and also to your wallet.
1. A. got B. opened C. started D. took
2. A. against B. except C. among D. about
3. A. celebrate B. support C. encourage D. remember
4. A. influence B. difference C. importance D. service
5. A. Or B. But C. Because D. Though
6. A. find B. avoid C. teach D. finish
7. A. clubs B. libraries C. parks D. markets
8. A. never B. seldom C. usually D. sometimes
9. A. give back B. give out C. give up D. give away
10. A. bigger B. easier C. earlier D. slower
11. A. languages B. websites C. paintings D. newspapers
12. A. copy B. move C. offer D. hold
13. A. useful B. similar C. correct D. private
14. A. nice B. empty C. new D. full
15. A. itself B. himself C. herself D. yourself
二、阅读理解
A
Students from Taizhou Middle School, experience farming during their labor course Housework like cooking and washing always ends up at the bottom of many of our 1 to do lists.Some people even think that it should be taken care of by their parents.
However, these life skills are important and should be taught as part of labor education.On June 3.2020, the Ministry of Education(MOE)(教育部)gave a revised(修订后的)course for high schools across the country.Labor education, also called education on the hardworking spirit, ranges from housework to school labor and community voluntary services (社会志愿服务).
“Labor education must be carried out with the aim to develop the view of the world life and values and develop an interest in doing shores.” said Zheng Fuzhi a Vice——Minister(副部长)of Education.
According to China Youth Dally, the labor course will take six credits—— the same as English and physics.Voluntary service, a part of labor education.would take two credits The MOE also asks schools to make sure 40 hours of voluntary service during the full three school years.
According to Xinhua, adding labor education was out of care that the country's youngsters do too lite housework and that they think labor jobs aren't important.Because of a lot of school stress, schools pay more attention to the educational course, and parents sometimes think that housework wastes their kids' time.
According to a survey, primary and middle school students in Chins only spend 12 minutes.day on chores, compared with 72 minutes in the Us, 42 minutes in South Korea and 30 minutes in France.
However, doing housework does not take young people's attention away. Instead, it is necessary for developing a strong working spirit. "The earlier you start.the better.. "the writer of How to Raise an Adult said.
16.According to the passage, which one belongs to 1abor education？
A.Doing homework. B.Doing volunteer work. C.Going traveling. D.Learning to drive a car.
17.What did Zheng Fuzhi talk about？
A.The time to carry out labor education. B.The way to carry out labor education.
C. The purpose to carry out labor education. D.The place to carry out labor education.
18.How many credits can voluntary service take？
A Two. B.Four. C Six. D.Eight.
19. spend the most time on chores.
A Students in China B.Students in South Korea C.Students in France D.Students in America
20.What did the writer of How to Raise an Adult think of doing housework？
A Difficult. B.Popular. C.Important. D.Comfortable.
B
Frank and his brother Jack lived near the ocean. Frank was outgoing while Jack was shy. They liked doing different things. Frank was famous for organizing games of beach volleyball, football, and any other sport imaginable. Jack preferred to draw, paint, or build sandcastles(沙堡).
Frank didn't understand why Jack would rather do artistic things than play ball. He believed sports often allowed many kids to play together. That was when Jack's idea hatched. He would show Frank what doing things together looked like!
After Jack finished creating a special sandcastle with stairs, towers and walls, he took pictures of it. Then he painted colorful posters featuring(突出)his sandcastle and the question, "Can you top this " He hung his posters everywhere in town, announcing his plan for a day of sandcastle artistry-all ages welcome.
When Frank saw poster, he not so nicely told Jack that no one would come. Still, shortly after sunrise on Saturday, Jack was on the beach digging in the sand. By mid-morning, four kids were sculpting(雕塑)the sand alongside him. By noon the number had increased a lot.
After Frank came back from his ball game, he went to check how his brother's plan turned out. He couldn't believe what he saw. At least 30 people were building a city of sandcastles, and everyone was chatting and laughing and working together! It was the most beautiful thing he had seen on the beach.
"I guess you've proved me wrong," Frank said. "You should make this sandcastle day a yearly tradition!" Handing Frank a shovel(铲子)with smile, Jack got started together with his brother on their super creation in the sand.
21. What does the underlined word "hatched" in Paragraph 2 probably mean in Chinese
A. 产生 B. 改变 C. 消失 D. 中断
22. What helped people know about Jack's plan
A. Beautiful towers. B. Colorful posters.
C. A town building. D. A sandcastle day.
23. When learning about Jack's plan, Frank was ________.
A. doubtful B. interested C. satisfied D. nervous
24. What can we know about Jack's idea
A. It came from picture. B. It needed 30 people's support.
C. It proved Frank right. D. It did work well.
25. Which of the following best describes Jack
A. Honest. B. Creative. C. Outgoing. D. Caring.
C
In October 2002, Winston Churchill was chosen by the British people as the greatest British man". The great British men behind him were Shakespeare, Newton, and Darwin. But many people did not know that Churchill was thought to be a bad boy when he was a child.
At the age of seven, Winston Churchill was sent to a boarding(寄宿) school named St. George. The school rules were strict. He often got serious punishment. Churchill cried loudly and kicked wildly when he was beaten. At the end of the term, he returned home with a report card and pains all over his body. The report card said that he was "naughty"(顽皮的).
At the age of twelve, his father sent him to Harrow Public School, which was famous for training English gentlemen. Because he failed the entrance exam, he was placed in the last group of the class with worst grades. He fell behind the others in study. He gave many people the impression of low energy, strangeness, and lawlessness. Fortunately, he still had a friend, his grandfather. The American of great wealth who had experienced the world said, “Let him go! As long as boys have the chance to show their talents, they are sure to become better." Churchill kept the words of his grandfather in mind, and secretly looked for it in his heart.
Many years later, Churchill was already a successful politician and writer. He worked as a reporter, as Secretary of the Navy, and as Prime Minister (首相) of the United Kingdom. He said, “My grandfather taught me that boys must choose their own path. I don't have special talents and my success is by working hard."
26. The second paragraph mainly tells us .
A. Churchill loved his school B. Churchill got good education
C. Churchill got less punishment D. Churchill was considered as a bad boy
27. Churchill's grandfather was .
A. a gentleman from the UK B. of great help to Churchill
C. rich with little experience D. unsure of Churchill's becoming better
28. The underlined word “Fortunately” in the third paragraph probably means .
A.幸运的是 B.可悲的是 C.奇怪的是 D.可惜的是
29. Which of the following is the correct order according to the passage
①Churchill became a successful politician and writer. ②Churchill went to Harrow Public School.
③Churchill was sent to a boarding school. ④Churchill's grandfather encouraged him a lot.
A.③④②① B.③②④① C.①③②④ D.②③④①
30. Which part of a magazine is the passage probably from
A. Geography World. B. Science Study. C. History Character. D. Natural Environment.
D
In my early childhood, I was often surprised when I saw my father making a small number of money with difficulty. Being a child, I was unable to understand him. When I was older, my father started doing a part-time job at home. He used to bring some work back and work till late night.
I can’t forget he played with me when I was 3-4 years old. He taught me how to read when I was at the age of 5. He took care of me all night when I was sick. Whenever I felt down, he would cheer me up. He also cared about my lessons and often helped me get ready for examinations. Later he sent me to New Delhi for the best education. Whenever I needed money, he never refused. He always managed money for my studies.
Two years ago, I got a job at a hospital in New Delhi. When I helped my first patient, I got a strong feeling of satisfaction. When I got my first salary(薪水)which was about ten times more than my pocket money, I spent it all on myself.
When I returned home one fine morning, I heard my father communicating with one neighbor. He was telling him my success in the job very proudly. He also told him that I had a higher salary than him at the end of his work. A dream, his son should become better than himself came true.
I was unable to move on my feet. Past 23 years flashed into my mind in a moment. I knew my father loved me very much. I could understand the meaning of my father’s aspirations(愿望). I could understand the decisions my father made in the past. The financial(经济) difficulty he was facing was decided by his goal—making his child more successful than himself.
If today I am successful, this is because of my father.
31. From the first paragraph(段落), we know the writer’s father is ____________.
A. humorous B. hard-working C. serious D. outgoing
32. When the writer was young, his father ____________.
A. managed money for his studies B. cheered him up all night
C. hardly bought anything for him D. only cared about his examinations
33. The right order of the story is ____________.
a. My father sent me to get the best education. b. My father thought his dream came true.
c. Being a child I was unable to understand my father. d. I could understand the meaning of my father’s aspirations.
e. I got a higher salary than my father.
A. b-d-c-e-a B. d-a-c-e-b C. c-a-e-b-d D. c-a-d-b-e
34. Which of the following is NOT true according to the passage
A. The writer spent his first salary all on himself.
B. The writer heard what his father said to one neighbor.
C. The writer still couldn’t understand what his father decided in the past.
D. The writer finally understood why his father had faced the financial difficulty.
35. The best title(标题) for this passage may be ____________.
A. A successful child B. An unforgettable moment
C. A difficult time D. A father’s love
三、语法填空 阅读下面材料, 在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Where did you go yesterday Did you hear music at any of those places There is a good chance that you did. Today most stores and restaurants play music. You might even hear music in ____36____ office or on a farm.
Scientists believe that music influences the way people behave ____37____ (deep). According to some scientists, the sound of western classical music (Mozart and Bach) ____38____ (make) people feel richer. When a restaurant plays classical music, people spend more money ____39____ food and drinks. ____40____, when the restaurant plays modern music, people spend less money, With no background music, people spend even less.
It ____41____ (believe) that loud, fast music makes people eat faster. People actually chew their food faster when the music gets faster. Some restaurants play fast music during ____42____ (they) busy hours. This gets people to eat faster and leave quickly. In this way, restaurants can make ____43____ (much) money.
Some scientists think that music makes you think and learn better. They say that music helps ____44____ (student) to be more energetic. It is true that people learn better when they are relaxed. And listening to music can help you relax.
Next time you hear music somewhere, be careful, because maybe it ____45____ (change) the way you behave.
四、阅读七选五
Volunteering is fun and rewarding(有益的), but if you want to be a good volunteer, you need to learn more. 46. ______
Be well trained. Know what you’re doing as a volunteer. 47. ________ If you’re good at your job, it will be easier to help others.
48. ________ Work as part of a team and make sure everyone works together and shares the work. If someone asks for help, just give a hand. If you need some help, ask politely for it. Always remember a person’s strength is small, but a group of people is of great power.
Be understanding. 49.________ Standing at other people’s point of view will help you understand others’ feelings better.
Be friendly. 50. ________ To be a volunteer, you might meet new people who want to make friends with. You might just meet someone who becomes a friend for the rest of your life.
A. Don’t try to do everything by yourself.
B. You can help others in need in your free time.
C. Try to understand what other people are facing.
D. Treat others like friends, and they’ll do the same for you.
E. If you need to learn about your job, begin to do it at once.
F. Here’s some advice on how to do the volunteering jobs well.
G. Learn to understand others and share your own feelings.
参考答案
完形填空
CBCAB ADCDB BCABD
阅读理解
BCADC ABADB DBABC BACCD
语法填空
an; deeply; makes; on; However; is believed; their; more; students; will change
七选五
FEACD
一、完形填空
Could you live for one month without buying anything new Buy Nothing New Month __1__ in Australia in 2010. It challenges people once a year to buy nothing new— 2 food, products used for hygiene(卫生), and medicine—for 30 days.
The aim is to 3 people to be less wasteful. It also makes us think about the 4 our shopping habits have on the environment. 5 the challenge is not simply about shopping for nothing. People can 6 other creative ways to get the things they want. Here are a few examples of how to buy nothing new.
Many people shop for secondhand products at places like thrift stores(旧货商店) and flea(跳蚤) __7__. You can __8__ find lots of things at good prices, and your money often goes to a good cause. While you're there, why not 9 something you no longer use so someone else can buy it
With the Internet, swapping(交换) is 10 than ever before. There are many 11 , such as , where you can post a photo of something you don't need. Then, other users can 12 something as a swap.
Upcycling(升级改造) involves turning something you no longer need into something much more 13 . For example, you can turn a(n) 14 drink bottle into a beautiful vase(花瓶), or an old door into an interesting table.
So why not try the challenge for 15 You can be a friend to the environment and also to your wallet.
1. A. got B. opened C. started D. took
2. A. against B. except C. among D. about
3. A. celebrate B. support C. encourage D. remember
4. A. influence B. difference C. importance D. service
5. A. Or B. But C. Because D. Though
6. A. find B. avoid C. teach D. finish
7. A. clubs B. libraries C. parks D. markets
8. A. never B. seldom C. usually D. sometimes
9. A. give back B. give out C. give up D. give away
10. A. bigger B. easier C. earlier D. slower
11. A. languages B. websites C. paintings D. newspapers
12. A. copy B. move C. offer D. hold
13. A. useful B. similar C. correct D. private
14. A. nice B. empty C. new D. full
15. A. itself B. himself C. herself D. yourself
二、阅读理解
A
Students from Taizhou Middle School, experience farming during their labor course Housework like cooking and washing always ends up at the bottom of many of our 1 to do lists.Some people even think that it should be taken care of by their parents.
However, these life skills are important and should be taught as part of labor education.On June 3.2020, the Ministry of Education(MOE)(教育部)gave a revised(修订后的)course for high schools across the country.Labor education, also called education on the hardworking spirit, ranges from housework to school labor and community voluntary services (社会志愿服务).
“Labor education must be carried out with the aim to develop the view of the world life and values and develop an interest in doing shores.” said Zheng Fuzhi a Vice——Minister(副部长)of Education.
According to China Youth Dally, the labor course will take six credits—— the same as English and physics.Voluntary service, a part of labor education.would take two credits The MOE also asks schools to make sure 40 hours of voluntary service during the full three school years.
According to Xinhua, adding labor education was out of care that the country's youngsters do too lite housework and that they think labor jobs aren't important.Because of a lot of school stress, schools pay more attention to the educational course, and parents sometimes think that housework wastes their kids' time.
According to a survey, primary and middle school students in Chins only spend 12 minutes.day on chores, compared with 72 minutes in the Us, 42 minutes in South Korea and 30 minutes in France.
However, doing housework does not take young people's attention away. Instead, it is necessary for developing a strong working spirit. "The earlier you start.the better.. "the writer of How to Raise an Adult said.
16.According to the passage, which one belongs to 1abor education？
A.Doing homework. B.Doing volunteer work. C.Going traveling. D.Learning to drive a car.
17.What did Zheng Fuzhi talk about？
A.The time to carry out labor education. B.The way to carry out labor education.
C. The purpose to carry out labor education. D.The place to carry out labor education.
18.How many credits can voluntary service take？
A Two. B.Four. C Six. D.Eight.
19. spend the most time on chores.
A Students in China B.Students in South Korea C.Students in France D.Students in America
20.What did the writer of How to Raise an Adult think of doing housework？
A Difficult. B.Popular. C.Important. D.Comfortable.
B
Frank and his brother Jack lived near the ocean. Frank was outgoing while Jack was shy. They liked doing different things. Frank was famous for organizing games of beach volleyball, football, and any other sport imaginable. Jack preferred to draw, paint, or build sandcastles(沙堡).
Frank didn't understand why Jack would rather do artistic things than play ball. He believed sports often allowed many kids to play together. That was when Jack's idea hatched. He would show Frank what doing things together looked like!
After Jack finished creating a special sandcastle with stairs, towers and walls, he took pictures of it. Then he painted colorful posters featuring(突出)his sandcastle and the question, "Can you top this " He hung his posters everywhere in town, announcing his plan for a day of sandcastle artistry-all ages welcome.
When Frank saw poster, he not so nicely told Jack that no one would come. Still, shortly after sunrise on Saturday, Jack was on the beach digging in the sand. By mid-morning, four kids were sculpting(雕塑)the sand alongside him. By noon the number had increased a lot.
After Frank came back from his ball game, he went to check how his brother's plan turned out. He couldn't believe what he saw. At least 30 people were building a city of sandcastles, and everyone was chatting and laughing and working together! It was the most beautiful thing he had seen on the beach.
"I guess you've proved me wrong," Frank said. "You should make this sandcastle day a yearly tradition!" Handing Frank a shovel(铲子)with smile, Jack got started together with his brother on their super creation in the sand.
21. What does the underlined word "hatched" in Paragraph 2 probably mean in Chinese
A. 产生 B. 改变 C. 消失 D. 中断
22. What helped people know about Jack's plan
A. Beautiful towers. B. Colorful posters.
C. A town building. D. A sandcastle day.
23. When learning about Jack's plan, Frank was ________.
A. doubtful B. interested C. satisfied D. nervous
24. What can we know about Jack's idea
A. It came from picture. B. It needed 30 people's support.
C. It proved Frank right. D. It did work well.
25. Which of the following best describes Jack
A. Honest. B. Creative. C. Outgoing. D. Caring.
C
In October 2002, Winston Churchill was chosen by the British people as the greatest British man". The great British men behind him were Shakespeare, Newton, and Darwin. But many people did not know that Churchill was thought to be a bad boy when he was a child.
At the age of seven, Winston Churchill was sent to a boarding(寄宿) school named St. George. The school rules were strict. He often got serious punishment. Churchill cried loudly and kicked wildly when he was beaten. At the end of the term, he returned home with a report card and pains all over his body. The report card said that he was "naughty"(顽皮的).
At the age of twelve, his father sent him to Harrow Public School, which was famous for training English gentlemen. Because he failed the entrance exam, he was placed in the last group of the class with worst grades. He fell behind the others in study. He gave many people the impression of low energy, strangeness, and lawlessness. Fortunately, he still had a friend, his grandfather. The American of great wealth who had experienced the world said, “Let him go! As long as boys have the chance to show their talents, they are sure to become better." Churchill kept the words of his grandfather in mind, and secretly looked for it in his heart.
Many years later, Churchill was already a successful politician and writer. He worked as a reporter, as Secretary of the Navy, and as Prime Minister (首相) of the United Kingdom. He said, “My grandfather taught me that boys must choose their own path. I don't have special talents and my success is by working hard."
26. The second paragraph mainly tells us .
A. Churchill loved his school B. Churchill got good education
C. Churchill got less punishment D. Churchill was considered as a bad boy
27. Churchill's grandfather was .
A. a gentleman from the UK B. of great help to Churchill
C. rich with little experience D. unsure of Churchill's becoming better
28. The underlined word “Fortunately” in the third paragraph probably means .
A.幸运的是 B.可悲的是 C.奇怪的是 D.可惜的是
29. Which of the following is the correct order according to the passage
①Churchill became a successful politician and writer. ②Churchill went to Harrow Public School.
③Churchill was sent to a boarding school. ④Churchill's grandfather encouraged him a lot.
A.③④②① B.③②④① C.①③②④ D.②③④①
30. Which part of a magazine is the passage probably from
A. Geography World. B. Science Study. C. History Character. D. Natural Environment.
D
In my early childhood, I was often surprised when I saw my father making a small number of money with difficulty. Being a child, I was unable to understand him. When I was older, my father started doing a part-time job at home. He used to bring some work back and work till late night.
I can’t forget he played with me when I was 3-4 years old. He taught me how to read when I was at the age of 5. He took care of me all night when I was sick. Whenever I felt down, he would cheer me up. He also cared about my lessons and often helped me get ready for examinations. Later he sent me to New Delhi for the best education. Whenever I needed money, he never refused. He always managed money for my studies.
Two years ago, I got a job at a hospital in New Delhi. When I helped my first patient, I got a strong feeling of satisfaction. When I got my first salary(薪水)which was about ten times more than my pocket money, I spent it all on myself.
When I returned home one fine morning, I heard my father communicating with one neighbor. He was telling him my success in the job very proudly. He also told him that I had a higher salary than him at the end of his work. A dream, his son should become better than himself came true.
I was unable to move on my feet. Past 23 years flashed into my mind in a moment. I knew my father loved me very much. I could understand the meaning of my father’s aspirations(愿望). I could understand the decisions my father made in the past. The financial(经济) difficulty he was facing was decided by his goal—making his child more successful than himself.
If today I am successful, this is because of my father.
31. From the first paragraph(段落), we know the writer’s father is ____________.
A. humorous B. hard-working C. serious D. outgoing
32. When the writer was young, his father ____________.
A. managed money for his studies B. cheered him up all night
C. hardly bought anything for him D. only cared about his examinations
33. The right order of the story is ____________.
a. My father sent me to get the best education. b. My father thought his dream came true.
c. Being a child I was unable to understand my father. d. I could understand the meaning of my father’s aspirations.
e. I got a higher salary than my father.
A. b-d-c-e-a B. d-a-c-e-b C. c-a-e-b-d D. c-a-d-b-e
34. Which of the following is NOT true according to the passage
A. The writer spent his first salary all on himself.
B. The writer heard what his father said to one neighbor.
C. The writer still couldn’t understand what his father decided in the past.
D. The writer finally understood why his father had faced the financial difficulty.
35. The best title(标题) for this passage may be ____________.
A. A successful child B. An unforgettable moment
C. A difficult time D. A father’s love
三、语法填空 阅读下面材料, 在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Where did you go yesterday Did you hear music at any of those places There is a good chance that you did. Today most stores and restaurants play music. You might even hear music in ____36____ office or on a farm.
Scientists believe that music influences the way people behave ____37____ (deep). According to some scientists, the sound of western classical music (Mozart and Bach) ____38____ (make) people feel richer. When a restaurant plays classical music, people spend more money ____39____ food and drinks. ____40____, when the restaurant plays modern music, people spend less money, With no background music, people spend even less.
It ____41____ (believe) that loud, fast music makes people eat faster. People actually chew their food faster when the music gets faster. Some restaurants play fast music during ____42____ (they) busy hours. This gets people to eat faster and leave quickly. In this way, restaurants can make ____43____ (much) money.
Some scientists think that music makes you think and learn better. They say that music helps ____44____ (student) to be more energetic. It is true that people learn better when they are relaxed. And listening to music can help you relax.
Next time you hear music somewhere, be careful, because maybe it ____45____ (change) the way you behave.
四、阅读七选五
Volunteering is fun and rewarding(有益的), but if you want to be a good volunteer, you need to learn more. 46. ______
Be well trained. Know what you’re doing as a volunteer. 47. ________ If you’re good at your job, it will be easier to help others.
48. ________ Work as part of a team and make sure everyone works together and shares the work. If someone asks for help, just give a hand. If you need some help, ask politely for it. Always remember a person’s strength is small, but a group of people is of great power.
Be understanding. 49.________ Standing at other people’s point of view will help you understand others’ feelings better.
Be friendly. 50. ________ To be a volunteer, you might meet new people who want to make friends with. You might just meet someone who becomes a friend for the rest of your life.
A. Don’t try to do everything by yourself.
B. You can help others in need in your free time.
C. Try to understand what other people are facing.
D. Treat others like friends, and they’ll do the same for you.
E. If you need to learn about your job, begin to do it at once.
F. Here’s some advice on how to do the volunteering jobs well.
G. Learn to understand others and share your own feelings.
参考答案
完形填空
CBCAB ADCDB BCABD
阅读理解
BCADC ABADB DBABC BACCD
语法填空
an; deeply; makes; on; However; is believed; their; more; students; will change
七选五
FEACD