文档内容
2025-2026 学年八年级下册英语单元自测(陕西专用)
Unit 2·培优卷
(时间:120分钟,满分:120分)
学校:___________班级:___________姓名:___________分数:___________
第一部分(听力 共30分)
Ⅰ. 听选答案(共15 小题,计20分)
第一节:听下面10段对话, 每段对话后有一个问题, 读两遍。请根据每段对话的内容和后面的问题, 从所
给的三个选项中选出最恰当的一项。(共10小题, 计10分)
1. A. He hurt his arm. B. He hurt his head. C. He has a headache
【答案】B
【原文】W: Why did you go to hospital?
M: I hurt my head when I was playing football.
Q: What's the matter with the boy?
2. A. Take the temperature. B. Lie down. C. Drink hot water with
【答案】C
【原文】M: Hey, Sally. I have a sore throat. What should I do?
W: Well, you should drink hot water with honey.
Q: What should the man do?
3. A. Mother and son. B. Doctor and patient. C. Guide and tourist.
【答案】B
【原文】W: Anything wrong with my stomach?
M: Nothing serious. Take the medicine three times a day, and you'll be better.
Q: What's the relationship between the speakers?
4. A. At home. B. At school. C. In the hospital.
【答案】C
【原文】M: Hello, Alice. Long time no see. Why weren't you at school last week?
W: Hi, David. I fell off my bike and hurt my arm, so I had to stay in hospital for a week.
Q: Where was Alice last week?
5. A. Her car was broken. B. She met an accident. C. She lost her way.【答案】B
【原文】M: Why were you late for school this morning, Kate?
W: There was a traffic accident on my way to school, and the bus couldn't move for a long time.
Q: What happened to Kate on her way to school?
6. A. She felt sick. B. She hurt her knee. C. She had a fever.
【答案】B
【原文】M: Hello, Jenny. What happened yesterday?
W: I suddenly fell down on the floor and hurt my knee.
Q: What was wrong with Jenny?
7.A. Tom. B. David. C. Eric.
【答案】B
【原文】W: Why do you drink so much water, David?
M: I talked with Tom for a long time, and now I have a sore throat.
Q: Who has a sore throat?
8. A. Last month. B. Last year. C. Yesterday.
【答案】C
【原文】M: What's the matter, Li Ping?
W: I cut myself when I was cutting tomatoes yesterday.
Q: When did Li Ping cut herself?
9.A. Much better. B. Well. C. Even worse.
【答案】C
【原文】M: How are you feeling now, Jenny?
W: Even worse than yesterday.
Q: How is Jenny feeling now?
10. A. She has a toothache. B. She has a nosebleed. C. She has a stomachache
【答案】A
【原文】M: What's wrong with your face, Lisa?
W: It's not my face. It's my tooth. I have a toothache.
Q: What's wrong with Lisa?
第二节:听下面两段对话, 每段对话后有几道小题, 请根据每段对话的内容和所给的问题, 从三个选项中
选出最恰当的一项。每段对话读两遍。(共5小题, 计10分)
听第11段对话, 回答第11、12小题。11. When did the problem start?
A. This morning.
B. Yesterday evening.
C. Yesterday morning.
12. What does the doctor tell the boy to do?
A. To drink more water.
B. To take some medicine.
C. To go to the dentist
【答案】11-12 BA
【原文】W: What's the matter, young man?
M:I don't feel well. I have a sore throat.
W: When did it start?
M: This morning. Oh, yesterday evening.
W: Let me have a look. Open your mouth...
Nothing serious. It's just a little cold.
M: What should I do then?
W: Drink more water, and you'll be better soon.
M: Thank you very much.
W: You are welcome.
听第12段材料,回答第13至15小题
13. What does Mark probably do?
A. A teacher.
B. An actor.
C. A reporter.
14. Where did the accident happen?
A. On the highway from Xi'an to Zhengzhou.
B. On the train from Xi'an to Zhengzhou.
C. On the highway from Zhengzhou to Xi'an.
15. How many people got hurt in the accident?
A. Three.
B. Seventeen.
C. Twenty.【答案】13-15 CAC
【原文】I am Mark. Here is today's morning news on TV. There was an accident on the highway from Xi'an to
Zhengzhou. A car hit a long-distance bus, because the car driver kept driving for a long time and he was too tired.
Three men hurt their heads and arms. Seventeen women hurt legs and arms badly, and they were taken to the
hospital at once. From the serious accident, we learn that we mustn't drive when we are tired or drunk. Safety is
the most important.
Ⅱ. 听独白, 填信息(共5小题, 计10分)
本题你将听到一段独白, 读两遍。请根据独白内容, 用所听到的单词或短语完成下列各题。(每空限填一个
单词。)
16. I started to feel sick_________ afternoon.
17. I'm really worried because I will have to _______on Friday.
18. I have a bad __________
19. I should take the medicine three times a day after _________.
20. My friend Carley told me to drink some ________for bad colds.
【答案】16. on Tuesday 17. give a report 18. cold 19.each meal 20. special tea
【原文】I was feeling great on Monday, but I started to feel sick on Tuesday afternoon.I'm really worried
because I will have to give a report on Friday. I thought I had the flu, but the doctor said it was just a bad cold. He
gave me some medicine. I should take the medicine three times a day after each meal, but it didn't seem to help.
He also told me to stay in the bed for a day or so, but I'm so busy these days.
My friend Carley said she had some special tea for bad colds. She told me to drink it four times a day. But it
didn't seem to work either.
What should I do?
第二部分(笔试 共90分)
Ⅲ.完形填空(共20小题,计20分)
第一节:阅读下面短文,按照句子结构的语法性和上下文连贯的要求,从所给的四个选项中选出一个最
佳答案,使短文连贯完整。
More students are learning CPR these days. Here's 21 story about how a boy used it.
On a Friday afternoon, Bob was very happy to go home after school. He opened the door and 22
" Grandpa, I am coming back! " But there was no answer. It was a little strange, so he went to grandpa's bedroom
to find 2 3 .Bob knocked on the door and opened it.
To his surprise, Bob saw his grandpa lying 24 the ground next to his bed. Bob was afraid but hecalmed himself down Luckily, there 2 5 a health class at Bob's school last week, and he learned what he
26 do in the face of this problem. Bob ran to the phone and called 120.
The nurse answered the phone and asked him 27 for the ambulance and doctors to arrive. 28
he was waiting, the nurse gave Bob some advice and asked him to do CPR as soon as possible. Thankfully, the
class had taught him how to do CPR. Bob pressed his grandpa's chest with both his hands again and again
according to what he had learned. About ten 29 later, the doctors arrived. They checked his grandpa
and sent him to the hospital 30
At last, thanks to Bob for doing CPR in time, his grandpa was out of danger. The doctors and his parents all
praised him. For Bob, he was also proud of his action.
21.A. a B.an C. the D./
【答案】A
【解析】句意:这里有一个关于一个男孩如何使用心肺复苏术的故事。此处表示泛指,且story 是读音
以辅音音素开头的单词,所以用不定冠词a修饰。故选A。
22.A.shout B. shouts C. shouted D. will shout
【答案】C
【解析】根据He opened the door 及and可知,时态是一般过去时,所以空处用动词的过去式。故选
C。
23.A.his B. him C. he D. himself
【答案】B
【解析】find 是动词,后接代词的宾格形式作宾语。故选B。
24.A.in B. for C. under D. on
【答案】D
【解析】根据lying__ the ground 可知,应是躺在地上,用介词on。故选D
25.A.is B. are C. was D. were
【答案】C
【解析】 根据last week可知 ,时态是一般过去时,主语a health class 是单数,所以用was。故选C。
26. A. should B. might C. shall D. may
【答案】A
【解析】 根据a health class和 he learned what he________ do in the face of this problem可知,健康
课让作者学会了面对爷爷这种情况应该怎么做。故选A。
27.A.wait B. to wait C. pay D. to pay【答案】B
【解析】 根据asked him_____ for the ambulance 可知,应该是等待救护车。ask sb to do sth是固定用
法 ,意为让某人做某事。 "故选B。
28. A. If B. Because C. Though D. While
【答案】D
【解析】句意:在他等待的时候,护士给了他一些建议并让他尽快做心肺复苏。结合句意可知,空处
应填while 引导时间状语从句。故选D。
29.A. minute B. minutes C. hour D. hours
【答案】 B
【解析】根据 About ten _____later及常识可知,救护车速度通常很快,ten后接可数名词复数,所以
minutes 符合语境。故选B。
30. A. crazy B. crazily C. quick D. quickly
【答案】D
【解析】 根据sent him to the hospital_______ 可知,修饰动词sent应用副词形式,且爷爷是急病,所
以是迅速送往医院。故选D。
第二节:阅读下面短文,理解大意,然后从各小题的四个选项中选出一个最佳答案,使短文连贯完整。
Essie is a fourth-grade student in Wisconsin. She was eating lunch when she saw another student need 31
Essie went over and found her classmate Sophia had something stuck in her throat when she was 32
lunch. Essie wanted to do something to help her classmate.
Essie felt a little 33 and scared in the situation. She took deep breaths to help calm herself down so
she could help her classmate. Later, Essie said to the school newspaper reporter, "I did what I had to do to
34 Sophia's life."
Teacher Samantha was in the classroom when it happened. "It's hard to believe a fourth-grader can do this, " she
said in 35 Essie used the Heimlich Maneuver that she 3 6 from a video to help her classmate.
After learning what Essie 37 , the school celebrated her success. The after-school program that Essie
took part in held an " Essie Day" for her. Everyone 38 proud of Essie and started to learn Heimlich
Maneuver.
It is an experience that Essie will 39 forget. She hopes she doesn't have to show the life-saving
skills again. Most importantly, she is thankful that her 40 is
31.A. rest B. advice C. help D. report
【答案】 C【解析】 rest休息; advice建议 help帮助;report报告。根据"Essie wanted to do something to help her
classmate . 可知当他看到另一个学生需要帮助时,她正在吃午饭。故选C
32.A. eating B. taking C. making D. dancing
【答案】A
【解析】根据 Sophia had something stuck in her throat 可知,Sophia 在吃饭时喉咙里卡了东西。故选A
33. A. angry B. nervous C. relaxed D. interested
【答案】B
【解析】 angry生气的 nervous紧张的 relaxed放松的 interested感兴趣的。 根据Sophia had something
stuck in her throat ,Sophia 在吃饭时喉咙里卡了东西,Essie 感到有点紧张、害怕。故选B。
34. A. find B. break C. save D. lose
【答案】C
【解析】根据______Sophia 's life 可知,应该是做了所能做的切来挽救Sophia 的生命。故选C
35. A. pain B. action C. need D. surprise
【答案】 D
【解析】根据 It's hard to believe a fourth-grader can do this 可知, Samantha 老师对于Essie in surprise
的行为很吃惊。in surprise 是固定短语,意为“吃惊地”。故选D
36. A. heard B. learned C. borrowed D. fell
【答案】B
【解析】根据______from a video to help her classmate , 可知,Essie 用从视频中学到的海姆立克急救法
来帮助她的同学。故选B。
37. A. did B. said C. had D. ate
【答案】 A
【解析】根据 After learning what Essie_______ 可知,此处表示得知Essie 的所作所为后,学校为她的
成功举办了庆祝活动。故选A。
38. A. left B. hated C. felt D. tried
【答案】C
【解析】根据"Everyone_____ proud of of Essie and started to learn Heimlich Maneuver. " 可知,每个人都
为Essie感到骄傲。 故选C。
39. A. always B. usually C. often D. never
【答案】 D
【解析】 " It is an experience that Essie will forget." 知,这是一次Essie 永远不会忘记的经历。故选D。
40. A. classmate B. teacher C. brother D. aunt
【答案】 A
【解析】根据 Essie went over and found her classmate Sophia had something stuck in her throat 可知,
Sophia 是Essie 的同学。故 选A。
Ⅳ.阅读理解(共15小题,计20分)
第一节: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。(共5小题,计5分)
First aid is the first and immediate help for someone who falls ill or gets hurt suddenly. It's believed that the 10
minutes after an accident can make a difference between life and death. The following are some ways to give first
aid.
If someone falls down and can't move.
You should call 120 as quickly as possible 41 .But it's not always a good idea to move the person
because it may cause other problems.
42___________________
You should stop the bleeding at first. You can put a bandage on the cut to stop the bleeding. If a person loses too
much blood, it may cause death.
If someone has problems breathing.
43 . And then try to start his or her breathing right away by giving him or her mouth-to-mouth
resuscitation ( 人工呼吸)
If someone gets burned.
First, find out how bad it is. If there is nothing serious, then put the burned area under cold running water.
44
In our life, there might be accidents happening every second. 45. Everyone should some
knowledge about it so that we can help ourselves or others in right ways.
A. If someone gets hurt by a knife.
B. So first aid is very important.
C. Then he or she can be sent to the hospital in time.
D. But if it's serious, the person needs to be sent to the hospital at once.
E. Check if there is anything in his or her mouth, nose or throat at once.
41.【答案】 C
【解析】 " You should call 120 as quickly as possible."这里说要尽快拨打120,接下来应该是说明拨打120后的结果。结合备选项可知,C项“然后他或她可以及时被送往医院”符合语境。故选C
42. 【答案】A
【解析】根据 " You should stop the bleeding at first. "及 put a bandage on the cut 可知,此段围绕受
伤流血展开。结合备选项可知,A 项“如果有人被刀划伤”符合语境。故选A。
43. 【答案】 E
【解析】根据 has problems breathing " And then try to start his or her breathing right away by
giving him or her mouth-to-mouth resuscitation .”可知,这里说有人呼吸困难,后面说要进行人工呼
吸,那么前面应该是做一些准备工作。结合备选项可知,E项“立即检查他或她的口腔、鼻子或喉咙里
是否有东西”符合语境。故选E。
44. 【答案】 D
【解析】根据 " If there is nothing serious, then put the burned area under cold running water . " 可
知这里先说如果烧伤不严重的处理方法,接下来应该说烧伤严重的情况。结合备选项可知,D项“但如
果情况严重,这个人需要立即被送往医院”符合语境。故选D。
45. 【答案】 B
【解析】根据 " In our life, there might be accidents happening every second. " " Everyone should
learn some knowledge about it so that we can help ourselves or others in right ways."可知这里强调生
活中随时可能有事故,后面说大家要学习急救知识,所以中间应该是强调急救的重要性。结合备选项
可知,B项“所以急救非常重要”符合语境。故选B。
第二节:阅读下面A、B、C三篇材料,从所给的四个选项中选出能回答所提问题或完成所给句子的一
个最佳答案。(共10小题,计15分)
A
What do you usually do in your free time? Last month, we asked 200 students about their free-time activities.
Here are the results.
★①How many times a week do you
★②How often do you watch TV?
exercise?★ How often do you help to do
★④How often do you surf the Internet?
housework?
③
46.According to the second chart (表格), ________ of students often watch TV.
A.4% B.22% C.40% D.48%
【答案】C
【解析】细节理解题。根据第二个柱状图“How often do you watch TV?”中“Often”(经常)对应的人
数约为 80人,占总数的比例为:80 ÷ 200 = 40%。因此,经常看电视的学生占40%。故选C。
47.Which of the following is RIGHT according to the survey?
A.They did the survey among 300 students.
B.The survey is about students’ school life.
C.About 6 students seldom watch TV.
D.Forty students often do housework.
【答案】C
【解析】细节理解题。根据表格“②How often do you watch TV?”可知,大约6个学生很少看电视,所
以C项表述正确,故选C。
48.Where do you most probably find the text?
A.In a science textbook. B.On a fitness poster.
C.On an e-learning website. D.In a teenage magazine.
【答案】D
【解析】推理判断题。本文是一篇调查报告,调查内容与学生生活相关,最可能出现在青少年杂志。
故选D。
B
Healthy eating is not about strict nutrition(营养) and staying very thin. It's about feeling great, having lots of
energy and keeping yourself as healthy as possible. Healthy eating begins with learning how to eat smartly. It's not
just what you eat, but how you eat. Learning the habits of healthy eating can help you gain more energy. You canadd your food choices and learn how to plan a healthy diet.
Here are some useful steps that can help you make a change from now on.
Step 1: Start slowly and make changes to your eating habits.
Step 2: Try not to think of certain kind of food as"off-limits(禁止探讨的)”.
Step 3: Take time to eat your food and enjoy mealtime(进餐时间).
Step 4: Eat breakfast and eat smaller meals during the day.
Step 5: Eat more healthy vegetables and whole grains.
Step 6: Eat less sugar and salt.
Plan your healthy diet in a number of small steps, rather than in one big change. If you approach the change
step by step, you will have a healthy diet sooner than you think.
49. What is healthy eating?
A. It is about staying thin.
B. It is about having lots of energy.
C. It is about strict nutrition.
D. It is about delicious food.
【答案】B
【解析】 根据“It's about feeling great,having lots of energy and keeping yourself as healthy as possible.”可知,
健康饮食是感觉很好,精力充沛,并且尽可能使你自己保持健康,故选B。
50. What is NOT the step to plan a healthy diet?
A. Try to know the food you can't eat.
B. Change your eating habits little by little.
C. Try to eat food of whole grains.
D. Spend time enjoying your meal.
【答案】A
【解析】 根据“Try not to think of certain kind of food as 'off-limits'."可知,不要去思考你不能吃的食物,
故选A。
51. What is the best title of the passage?
B. Enjoying Your Mealtime to Keep Healthy
A. Eating Healthy Food Every Day
D. Steps on Healthy Eating
C. How to Change Your Eating Habits
【答案】C【解析】短文介绍了如何改变饮食习惯,故选C。
C
Mario always talked about how many friends he had at school. One day his grandpa said to him," Mario, I don't
think you have as many real friends as you think." Mario didn't agree with his grandpa. However, he wasn't sure
who his real friends were. His grandpa said, "I have something for you. "Grandpa left and soon came back. He
seemed to carry something in his hands, but Mario could see nothing there. "Here is a special chair for you. You
can't see it because it's invisible. When you sit on it, it will help you know who your real friends are."
Mario took the chair to school. He asked everyone to stand around him and his chair. "Look! You'll see
something interesting. "Mario tried to sit on the chair. Because he couldn’t see the chair, he fell to the ground(地
面). Everyone laughed. Mario tried again. But again he fell to the ground. He kept trying to sit on the chair, and
kept falling to the ground...
On his last try, he didn’t fall. Mario looked around and saw George, Lucas, and Diana-three of his best friends.
They were holding him up so he wouldn’t fall. At the same time, many others he thought of as friends did nothing.
They just stood there and laughed at him. Then Mario knew who his real friends were.
52. Mario's grandpa gave him a chair to_______________.
A. help him know who his real friends were
B. let him sit comfortably at school
C. help him make more friends
D. let him help others in need
【答案】A
【解析】 根据“When you sit on it,it will help you know who your real friends are.”可知,爷爷给的椅子可以
帮助Mario找出真正的朋友,故选A。
53. What does the underlined word "invisible" in Paragraph I mean in Chinese?
A.方便的 B.结实的 C.珍贵的 D.隐形的
【答案】D
【解析】 根据You can't see it可知,椅子是看不见的,也就是隐形的,故invisible的意思是“隐形的”,
故选D。
54. Why did Mario always fall to the ground?
A. Because the chair was too small.
B. Because the chair could move around.
C. Because there wasn't anything for him to sit on.D. Because his friends didn't help him sit on.
【答案】C
【解析】 根据“Because he couldn't see the chair,he fell to the ground."可知,椅子是看不见的,也就是根本
没有椅子,所以Mario没有能坐的东西。故选C。
55. What does the passage mainly want to tell us?
A. Real friends will care about us, not laugh at us.
B. Old people are always right about something.
C. It's impossible to have a lot of real friends.
D. Friends at school are real friends.
【答案】A
【解析】 根据“They were holding him up so he wouldn't fall.At the same time, many others he thought of as
friends did nothing. They just stood there and laughed at him.”可知,真正的朋友会相互帮助、相互关心,而
不是嘲笑,故选A。
V.完成句子:根据所给汉语意思,用单词或短语完成下列英文句子(共5小题,计10分)
56.我昨天切菜时不小心割伤了自己。
I _________________________by mistake while chopping vegetables yesterday.
57.伤口让我一直很疼。
The wound kept me_______________________________________ all the time.
58.我和妈妈立即去看了医生。
I ________________________with my mum right away.
59.接下来的几天,我的家人不得不照顾我。
In the following days, my family had to _______________________________me.
60.遗憾的是,我因此错过了一场重要的比赛。
______________________________,I missed an important match because of this.
【答案】56. cut myself 57. in pain 58. went to a doctor 59. take care of 60.Sadly
Ⅵ.短文填空:用方框中所给单词的适当形式填空,使短文完整正确。(每个单词限用一次,每空限填
一个单词。)(共10小题,计10分)
pain luck famous I decide information have interest take man
There is a Chinese saying, "A long-lasting illness makes the patient a good doctor." An Algerian young man
named Yuanzhi experienced this in person after 61 serious shoulder(肩膀)and back pain for six
years. One day, he saw some 6 2 online about how traditional Chinese medicine (TCM ) couldease(减轻) his pain. Yuanzhi was 63 in it and decided to give it a try. After two months, his
shoulder and back were less huge 64 It was huge surprise for him.
The young 65 journey with TCM did not stop there. He bought a lot of books and
66_________TCM training lessons in Algeris. In 2020, he opened a clinic(诊所)in his hometown and
soon he became 67. in the neighboring area. As his patient group grew, Yuanzhi 68
to further his studies and improve his skills--TCM comes from China . I want to go to China to learn
it!
In 2024, Yuanzhi became a student at Hubei University of China Medicine. With his dream within reach,
Yuanzhi said, " I feel so 6 9 to learn acupuncture(针灸) in Wuhan. I will return to 70 hometown in
Algeria with what I have learned. There I will treat more patients and help more people who want to
learn TCM."
【答案】61. having 62. information 63. interested 64. painful 65.man's
66. took 67. famous 68. decided 69. lucky 70. my
Ⅶ.任务型阅读:阅读下面短文,根据短文内容,完成下列各题。(共5小题,计10分)
AEDs(自动体外除颤仪 ) are machines that save lives when someone's heart stops or beats wrongly.They are
easy to use even for people without medical training. You can find them in public places like airports, schools, and
malls. Look for a bright box with a heart symbol! Here's a simple guide:
Step 1: Take out the AED and turn it on. A. voice guide can tell you what to do step by step. Take off the
patient's chest (胸部) clothes and stick the electrode pads(电极片) on the chest:
one on the top right, the other on the bottom left.
Step 2: Let the AED check the heartbeat. Stand back and don't touch the person. The AED will take a few
seconds to do this. Keep everyone away during this time, so the machine can work.
Step 3: If the AED says " Shock needed" , make sure no one is near the patient. Then press the shock button
when the machine tells you to.
Knowing how to use an AED is important. It can add the chance of living if used quickly. Stay calm and act
fast---you could save a life!
71. Where may we find an AED?
We may find it in public places like__________________________________.
72. What can the voice guide on an AED do when someone's heart stops?
It can tell you ________________________________________step by step.
73. What shouldn't we do when the AED checks someone's heartbeat?We can't ______________________________until the AED finishes checking.
74. Why is it important to learn to use an AED?
Because it can_______________________________________ if used quickly.
75. In which part of a website can we read the text?
We can read the text in the __________________________ part of a website.
【答案】
71. airports, schools, and malls
72. what to do
73. touch the person
74. add the chance of living
75. health
Ⅷ.交流与表达(共6小题,计20分)
第一节:补全对话。根据下面对话中的情境,在每个空白处填入一个适当的语句,使对话恢复第一节:
补全对话。根据下面对话中的情境,在每个空白处填入一个适当的语句,使对话恢复完整。(共5小题,
计5分)
A: Hey, Li Jun. You were not at school yesterday.76.________________________?
B: Oh, I had a headache and I had to ask for a sick leave.
A:77.___________________________________________Did you see the doctor?
B: Yes, my mother took me to the hospital.
A:78.
B: The doctor said I had a cold.
A:79.____________________________________________________________?
B: Yes, a little. The doctor told me to take the medicine three times a day and have plenty of water.
A: Are you feeling better now?
B: Yes, much better. But I've missed so many lessons.
A:80.________________________________________________I'll help you later.
B: Thanks a lot.
【答案】
76. What's the matter
77. I am sorry to hear that
78. What did the doctor say
79. Was it serious80. Don't worry
第二节:书面表达。(共1小题,计15分)
部分中学生没有养成良好的生活习惯,针对这一现象,我校校报进行征文比赛,请各位同学以“How
to keep healthy ”为题写一篇短文,从饮食、睡眠、锻炼等方面给出一些建议。
要求:1.参考提示内容,可适当发挥;
2.语句通顺,意思连贯,书写工整;
3.文中不得出现任何真实信息(姓名、校名和地名等);
4.词数不少于70。
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【参考范文】
One possible version:
How to keep healthy
Health is very important for us. To stay healthy, we can follow these ideas.First, eat well. Have more fruits and vegetables-they give us vitamins. Stay away from junk food like chips; it's
bad for our bodies. Second, sleep enough. Go to bed early and get up early. Teenagers need at least 8 hours of
sleep daily. Good sleep gives us energy. Third, exercise often. Run in the morning or play ball games after school.
Exercise keeps us strong and happy.
By doing these, we'll have healthy bodies and enjoy life more!