高中试卷答案网
2023-2024学年九年级英语上学期第一次月考（深圳专用）
B卷
（笔试满分75分，考试时间70分钟）
注意事项：
1. 答题前，请将姓名、准考证号和学校用黑色字迹的钢笔或签字笔填写在答题卡指定的位置上，并将条形码粘贴好。
2. 全卷满分 75 分。考试时间 70 分钟。
3. 作答选择题时，选出每小题答案后，用 2B 铅笔把答题卡上相应题目答案标号的信息点框涂黑。如需改动，用橡皮擦干净后，再选涂其他答案。作答非选择题时，用黑色字迹的钢笔或签字笔将答案写在答题卡指定区域内。写在本试卷或草稿纸上，其答案一律无效。
4. 考试结束后，请将答题卡交回。
第一部分选择题（50分）
I. 完形填空 （10分）
阅读下面短文, 从短文后所给的 A、B、C、D 四个选项中选出能填入相应空白处的最佳选项, 并在答题卡上将相应字母编号涂黑。（共 10 小题, 每小题1分）（2021年江苏泰州改编）
It was a peaceful Sunday morning. A butcher（屠夫）was 1 to see that a dog came into his shop. The dog had ten dollars and a note in its mouth. The note said, “10 pork chops（排骨） please.” So the butcher took the 2 and put a bag of chops in the dog’s mouth.
The butcher closed his 3 and decided to follow the dog. He found the dog on the street. The dog was waiting for a green light. It looked both ways to see if it was 4 , and then walked across the road. The dog went to a bus stop and 5 for a bus. When a bus arrived, the dog first walked to the front of the bus to check the number and then 6 the bus.
After a while, the bus stopped and the dog got off. It ran up to a house, threw the bag in front of the 7 and then began to beat its head against the front door. After a little while, a big guy opened the door and started 8 at the dog. The butcher ran up and shouted at the guy, “What are you doing This dog is a genius（天才）”!
The big guy said, “Genius No way! I always tell him to take the 9 when he goes to the stores. But he 10 listens to me.”
1．A．tired B．surprised C．nervous D．scared
2．A．money B．water C．gift D．ball
3．A．home B．school C．farm D．shop
4．A．rich B．safe C．cold D．dirty
5．A．cared B．asked C．waited D．prepared
6．A．turned on B．got off C．turned down D．got on
7．A．door B．tree C．garden D．desk
8．A．laughing B．shouting C．arriving D．cheating
9．A．keys B．books’ C．lights D．umbrellas
10．A．often B．sometimes C．never D．always
II阅读理解 （40分）
阅读下列短文, 从每小题所给的 A、B、C、D 四个选项中选山最佳选项, 并在答题卡上将相应字母编号涂黑。（共 15 小题, 每小题2分）
A
Children’s Games in Ancient China
During ancient times, children didn’t have much to enjoy themselves. However, they came up with interesting games to play in their childhood.
Kicking stone ballsDuring the Qing Dynasty, kicking a stone ball around was a popular game in the northern part of China, and it was often played in winter to keep warm.
Playing hide-and-seekHide-and-seek is a traditional game for children, popular around the nation. There are two ways to play: covering a child’s eyes while other kids run around to tease(戏弄) him or more commonly, others hide and one child must try to find them.
Flying kitesKites have quite a long history. The earliest kites were made of wood, instead of paper. The three most famous kites are the Beijing kite, Tianjin kite and Wei fang kite. Each has its own feature. For example, the bird-shaped kite with long wings is a special kind of the Beijing kite.
Watching shadow plays(皮影戏) The closest thing to watching a film during ancient times was going to see a shadow play. The artists control puppets(木偶) behind the screen and tell stories to the music.
11．According to the text, the game of kicking a stone ball was _________.
A．played in summer B．invented in Beijing
C．like flying kites D．popular in North China
12．How is hide-and-seek usually played
A．One runs and others try to catch. B．Others laugh and one must cry.
C．Others hide and one tries to find. D．One plays and others watch.
13．what does the underlined word “feature” mean in the text
A．特征 B．影片 C．五官 D．地貌
14．Which ancient game is like watching a film
A．Flying kites. B．Kicking sone ball.
C．Playing hide-and-seek. D．Watching shadow plays.
15．What did the earliest kites made of
A．Paper. B．Wood. C．Plastic. D．Metal.
B
Why do zebras have stripes (条纹) Scientists might have the answer. They say the stripes seem to confuse flies (苍蝇). They are less possible to hurt zebras.
Scientists did a new study. They studied horses. They studied zebras. They also studied horses dressed as zebras. The scientists learned that stripes might help to stop insects. The study also helped find out why.
Martin How is a scientist. He worked on the study. He said they watched horseflies. They watched how horseflies acted around nine horses and three zebras. Horseflies flew around the animals and then more flies landed on the horses. Fewer flies landed on the zebras. The scientists wanted to know why. So they did a test. They put black, white and zebra-stripes coat as much as the others.
The stripes did not confuse flies from far away, the scientists said. It only worked when the flies got close. The flies couldn’t see very well. That might be the reason. Mr. How said that zebras come from parts of the world where flies are a bigger problem. They carry bad diseases. Horses are different from zebras. They have lived in different environments. Diseases from flies are not so bad there, he said.
He added that this might not be the full story. Scientists think stripes could have other uses. They could help zebras hide. They could even be part of how zebras communicate with each other.
16．What does the underlined word “confuse” mean in Paragraph 1
A．Get. B．Puzzle. C．Clear. D．Catch.
17．Scientists put zebra-striped coats on the horses to _____.
A．see if the stripes keep flies away
B．protect the horses from bad diseases
C．prove that the horses look like zebras
D．keep flies from flying around the horses
18．What does the underlined word “They” refer to in Paragraph 4
A．Horses. B．Flies. C．Zebras. D．Butterflies.
19．Why do scientists want to learn more about zebras’ stripes
A．Because they want to study zebras’ living environment.
B．Because they want to make new zebra-striped clothing.
C．Because they think stripes could help zebras hide or communicate.
D．Because they think stripes might cause zebras to get serious diseases.
20．What’s the title of the passage
A．A Special Survey B．The Zebra and the Horse
C．The Secrets of Zebras’ Stripes D．The Influence of the Environment
C
In many science fiction (科幻) movies, men travel to faraway stars and even fight with aliens. But are there real aliens in the universe (宇宙) The answer of some scientists is yes. So they have been searching for aliens in outer space for many years. They hope io find life signs of aliens.
Some scientists are used to using radio telescopes (望远镜) to search for aliens in space. In order to find aliens, they have worked hard for over half a century, but so far they have found nothing. Then some scientists guessed aliens might not want to connect us, but aliens could answer our messages. So some scientists sent radio signals into the universe. They hope one day they would be picked up by alien technology. These scientists want to prove (证明) that we are not alone in the universe.
But what should we do if the “alien phone” rings one day Should we answer it Stephen Hawking, the famous physicist, thought it could be dangerous to connect aliens. He said that the main purpose of aliens’ visiting to our solar system could be searching for our resources (资源). But other scientists think we have no need to worry. David Morrison. a NASA scientist, said, “If an alien radio signal reaches the earth from a planet thousands of light-years away, then they almost surely have solved all the problems we still have including the short of resources. Maybe they are much smarter than us, but why don’t they hurt us I think we can try to connect them.”
根据短文内容，选择最佳答案
21．______ scientists believe there are aliens.
A．Few B．Some C．Most D．All
22．Scientists have worked hard to find aliens for ______.
A．more than 50 years B．50 years C．40 years D．30 years
23．What is Stephen Hawking’s opinion
A．Aliens are dangerous. B．Aliens are friendly.
C．Aliens can’t be found. D．Aliens have been on the earth.
24．Why does David Morrison think we want to connect aliens
A．Because we want to find aliens. B．Because aliens are much smarter than us.
C．Because we want to help aliens. D．Because aliens have many skills.
25．What the best title for passage
A．How to Use Radio Telescope. B．Stephen Hawking’s Idea.
C．Protect Our Earth. D．Are We Alone
第二节 短文填空
以下是一则短文, 请阅读短文, 并从下列六个句子中选择五个还原到原文中, 使原文的意思完整、连贯。并在答题卡上将相应的字母编号涂黑。（共5 小题, 每小题1分）
Sometimes it may seem difficult to improve our health. 26
Eat breakfast every morning.
Research shows that if you eat a meal in the morning, you may not become too fat or eat too much during lunch. Eating breakfast can help people feel better through the day.
27
Poor sleep can influence our memory and learning. It can also cause traffic accidents! Studies show that people who don’t get enough sleep seem to get into more accidents. So get enough sleep and stay safe!
Take a walk every day.
Walking is an easy way to exercise. You’d better meet friends for a walk, not for a meal. 28 Once you try, you will find that adding a walk into your daily life is very easy.
Join social groups.
Social groups can provide support. They might include sports teams, art or music groups. The people in the group can offer advice and help each other in difficult times. 29 An active mind is a healthy mind!
Have a hobby.
A hobby could be running, reading or making something with your hands. Hobbies help people to relax and rest. 30
A．As you walk, you will see the beautiful world around you.
B．If so, the following healthy habits may help you.
C．Get enough sleep.
D．Get up early.
E．Hobbies bring us happiness as well.
F．Also, being in a group keeps your mind busy.
第三节 信息匹配（共 5小题, 每小题1分）
配对阅读。左栏是五名初中生对自己烦恼的叙述，右栏是专家提供的七条建议。请将建议和烦恼进行匹配，并将答题卡上对应题目所选的选项涂黑。
31 I don’t know how to choose my clothes, but I really want to look beautiful. I’m very upset. 32 My parents fight a lot, and I really don’t like it. Relations between them have become difficult. I don’t know what to do. 33 I hate my school rules! I just want to wear my own clothes. I don’t know how to talk about my feeling with my teachers. 34 My parents are too strict with me. They want me to stay at home and they don’t allow me to play with my friends after school. 35 I always feel tired in class. I think I always stay up too late at night, but I just want to finish my homework. A．Your parents love you very much. They just want you to study harder at home. If you really want to go out with your friends, you can talk with them after finishing your homework. I think your parents will let you do that.B．You should be happy if your friends wear like you. It means that your clothes are beautiful. If you really don’t like it, you can just talk about it with them.C． I think you should try your best to do your homework faster. Maybe you can ask your teachers for help. Go to bed earlier so that you can have enough time for sleep.D．Why don’t you talk about how you feel with your parents Maybe you can do some chores at home so that they have more time for communication.E. Every school has rules because it’s very necessary. I know that you want to choose your own clothes. But in my opinion, school uniforms are the best clothes for you students.F. In my opinion, you can choose the clothes that are comfortable. In fact, clothes are not everything in your life. You can work harder at your study. Don’t think too much about the clothes.G. You should exercise more to lose weight. I’m sure you will be thinner if you don’t give up.
第二部分 非选择题（25分）
III. 语法填空（10分）
阅读下面短文, 在空白处填入一个适当的单词或括号内单词的正确形式。
Tina is a thirteen-year-old middle school student. Last year, she went to 36 summer school in France and stayed with a local family, the Truffauts.
At first, things didn’t go well 37 she couldn’t speak French. Simple things like finding the right bus stop became big problems. The Truffauts helped her a lot and treated her like part of the family. They played 38 (game) and shared traditional food with her. Tina was helpful as well. She did some housework with the family every day. On the weekend, she 39 (join) a community club and did volunteer work. For most of the time, she used body language to communicate. People showed 40 (they) thanks with smiles and she would always smile back. Language was not a problem 41 her any more. As a new member of the club, Tina 42 (invite) to have parties with the other members. Day by day, she made more friends. Tina began 43 (love) her new life. “A smile is a second language we were born to speak. It is also the best gift I have got,” she often said 44 (proud).
Smiles and a helping hand can always make people 45 (close) than a language can.
IV. 第三节：书面表达（15分）
保护人类共同的家园——地球是每个人的责任和义务。我们在生活中的点滴小事上也能做出自己的贡献。结合自己谈一谈你曾经为保护环境做过哪些努力，将来还打算如何去做。
1. 要求：不少于100词；
2. 要点齐全，行文连贯，条理清晰，可适当发挥。
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
参考答案：
1．B 2．A 3．D 4．B 5．C 6．D 7．A 8．B 9．A 10．C
【导语】本文主要讲述了一只聪明的狗替主人到肉店买排骨，并自行坐公交车回去，结果却因没有带钥匙而被主人训斥的事情。
1．句意：一个屠夫惊讶地发现一只狗跑进了他的商店。
tired疲惫的；surprised惊讶的；nervous紧张的；scared可怕的。根据“…to see that a dog came into his shop.”可知，此处指“他非常惊讶”。故选B。
2．句意：于是屠夫拿了钱，把一袋排骨放进了狗的嘴里。
money钱；water水；gift礼物；ball球。根据“The dog had ten dollars and a note in its mouth.”可知，屠夫拿了钱。故选A。
3．句意：屠夫关了店门，决定跟着狗走。
home家；school学校；farm农场；shop商店。根据“decided to follow the dog.”可知，屠夫关了店门，想看看这条狗怎么做的。故选D。
4．句意：它朝两边看了看是否安全，然后穿过了马路。
rich富有的；safe安全的；cold冷的；dirty脏的。根据“and then walked across the road.”可知，它朝两边看了看是否安全。故选B。
5．句意：这只狗去了一个公共汽车站，等公共汽车。
cared关心；asked问；waited等；prepared准备。根据“The dog went to a bus stop”可知，它在等公交车。故选C。
6．句意：当一辆公交车到站时，这只狗先走到公交车前核对车号，然后上车。
turned on打开；got off下车；turned town调低音量；got on上车。根据“when a bus arrived, the dog first walked to the front of the bus to check the number and then…”可知，此处指的是小狗上车了。故选D。
7．句意：它跑到一所房子前，把包扔到门前，然后开始用头撞前门。
door门；tree树；garden花园；desk桌子。根据“and then began to beat its head against the front door. ”可知，此处指“它把包扔到门前”。故选A。
8．句意：过了一会儿，一个大块头打开门，开始对着狗大叫。
laughing笑；shouting大喊；arriving到达；cheating骗。根据“ The butcher ran up and shouted at the guy”可知，这个狗主人对狗的态度很不好，因此可以推知他在对狗大喊。故选B。
9．句意：我总是告诉他去商店的时候带上钥匙。
keys钥匙；books书；lights灯；umbrellas雨伞。根据“began to beat its head against the front door.”可推知，狗没有带门的钥匙，所以主人很生气。故选A。
10．句意：但是他从来不听我的。
often经常；sometimes有时；never从没；always总是。根据“No way! I always tell him to take the…”可知，此处指的是“它从不听我的话”。故选C。
11．D 12．C 13．A 14．D 15．B
【导语】本文主要介绍中国古代的几种儿童游戏。
11．细节理解题。根据“During the Qing Dynasty, kicking a stone ball around was a popular game in the northern part of China”可知，在清朝，踢石球在中国北方是一种流行的游戏。故选D。
12．细节理解题。根据“There are two ways to play: covering a child’s eyes while other kids run around to tease(戏弄) him or more commonly, others hide and one child must try to find them.”可知，捉迷藏玩耍的方式有两种：遮住孩子的眼睛，其他孩子跑来跑去逗他；或者更常见的是，其他人躲起来，必须有一个孩子设法找到他们。故选C。
13．词句猜测题。根据“The three most famous kites are the Beijing kite, Tianjin kite and Wei fang kite. Each has its own feature. For example, the bird-shaped kite with long wings is a special kind of the Beijing kite.”可知，长翅膀的鸟形风筝是北京风筝的一种特殊类型，所以三种风筝都有自己的特点。故选A。
14．细节理解题。根据“The closest thing to watching a film during ancient times was going to see a shadow play.”可知，在古代，最接近于看电影的事情就是去看皮影戏。故选D。
15．细节理解题。根据“The earliest kites were made of wood”可知，最早的风筝是用木头做的，故选B。
16．B 17．A 18．B 19．C 20．C
【导语】本文主要介绍了斑马的条纹是如何迷惑苍蝇的。
16．词义猜测题。根据“They say the stripes seem to confuse flies (苍蝇). They are less possible to hurt zebras.”可知苍蝇就不太可能伤害斑马，因为斑马的条纹会迷惑苍蝇，故此处划线部分和puzzle意义相近。故选B。
17．细节理解题。根据“Fewer flies landed on the zebras. The scientists wanted to know why. So they did a test. They put black, white and zebra-stripes coat as much as the others.”可知降落在斑马身上的苍蝇越来越少，科学家们想知道原因，所以他们做了一个测试，他们把黑色，白色和斑马条纹的外套和其他的一样多。故选A。
18．词义猜测题。根据“Mr. How said that zebras come from parts of the world where flies are a bigger problem. They carry bad diseases”可知斑马来自世界上苍蝇问题更大的地区，它们携带着严重的疾病，故此处they指代“苍蝇”。故选B。
19．细节理解题。根据“Scientists think stripes could have other uses. They could help zebras hide. They could even be part of how zebras communicate with each other.”可知科学家认为条纹还有其他用途，它们可以帮助斑马躲藏起来，它们甚至可以成为斑马相互交流的一部分。故选C。
20．最佳标题题。本文主要介绍了斑马的条纹是如何迷惑苍蝇的，以选项C“斑马条纹的秘密”为标题最合适。故选C。
21．B 22．A 23．A 24．B 25．D
【导语】本文是一篇说明文。这篇短文主要讲述了外星人是否存在以及不同的人对外星人的看法。
21．细节理解题。根据“The answer of some scientists is yes”可知，一些科学家给出了肯定的回答，也就是他们认为有外星人的存在。故选B。
22．推理判断题。根据“In order to find aliens, they have worked hard for over half a century, but so far they have found nothing.”可知，为了寻找外星人，他们辛苦了半个多世纪，但至今一无所获。半个多世纪也就是50多年。故选A。
23．细节理解题。根据“Stephen Hawking, the famous physicist, thought it could be dangerous to connect aliens.”可知，著名物理学家Stephen Hawking认为联系外星人可能很危险。故选A。
24．细节理解题。根据“Maybe they are much smarter than us, but why do they want to hurt us ”可知，他认为也许外星人比我们聪明得多，所以人们想要联系外星人。故选B。
25．最佳标题题。结合全文内容，文章主要讲述了科学家在努力与外星人联系，同时也介绍了科学家对此的不同看法，因此选项D“我们是孤单的吗？”符合。故选D。
26．B 27．C 28．A 29．F 30．E
【导语】本文介绍了一些保持健康的好习惯。
26．根据“Sometimes it may seem difficult to improve our health.”以及下文内容可知此处是引出保持健康的好习惯，选项B“如果是这样，下面的健康习惯可能会对你有所帮助。”符合语境，故选B。
27．根据“Poor sleep can influence our memory and learning”可知此处是和睡眠有关，选项C“保证充足的睡眠。”符合语境，故选C。
28．根据“Walking is an easy way to exercise.”可知此处和散步有关，选项A“当你走路时，你会看到周围美丽的世界。”符合语境，故选A。
29．根据“Social groups can provide support. They might include sports teams, art or music groups. The people in the group can offer advice and help each other in difficult times”可知此处是关于加入社会群体，选项F“此外，在一个群体中会让你的大脑忙碌起来。”符合语境，故选F。
30．根据“Have a hobby.”可知此处是和爱好有关，选项E“爱好也给我们带来快乐。”符合语境，故选E。
31．F 32．D 33．E 34．A 35．C
【导语】本文介绍了五名初中生的烦恼，为他们选择对应的建议。
31．根据“I don’t know how to choose my clothes, but I really want to look beautiful.”可知，第一个学生不知道如何挑选衣服，选项F提出的建议“在我看来，你可以选择舒适的衣服。事实上，衣服并不是你生活中的一切。你可以更加努力地学习。不要太在意衣服。”与之相对应。故选F。
32．根据“My parents fight a lot, and I really don’t like it. Relations between them have become difficult.”可知，第二个学生对父母的关系很苦恼，父母总是打架，选项D提出的建议“你为什么不谈谈你和父母在一起的感受？也许你可以在家里做一些家务，这样他们就有更多的时间交流。”与之相对应。故选D。
33．根据“I hate my school rules! I just want to wear my own clothes.”可知，第三个学生面对的是校规和校服问题，选项E提出的建议“每个学校都有规定，因为这是非常必要的。我知道你想自己选择衣服。但在我看来，校服是你们学生最好的衣服。”与之相对应。故选E。
34．根据“My parents are too strict with me. They want me to stay at home and they don’t allow me to play with my friends after school.”可知，第四个学生认为父母对自己太严厉，放学后不让自己和同学玩，选项A提出的建议“你的父母非常爱你。他们只是想让你在家里更加努力地学习。如果你真的想和你的朋友出去玩，你可以在做完作业后和他们谈谈。我想你的父母会让你这么做的。”与之相对应。故选A。
35．根据“I think I always stay up too late at night, but I just want to finish my homework.”可知，最后一个学生在课堂上总是很疲倦，与熬夜写作业有关，选项C提出的建议“我认为你应该尽力把作业做得更快。也许你可以向你的老师寻求帮助。早点上床睡觉，这样你就有足够的时间睡觉了。”与之相对应。故选C。
36．a 37．because/as 38．games 39．joined 40．their 41．for 42．was invited 43．loving/to love 44．proudly 45．closer
【导语】本文主要讲述了蒂娜如何在法国适应上她的新生活。
36．句意：去年，她去了法国的一所暑期学校，并住在当地的一个家庭，特吕福一家。summer school为第一次出现，且summer为辅音音素开头的单词，因此应用不定冠词a来泛指“一所暑期学校”。故填a。
37．句意：刚开始，事情进展并不顺利，因为她不会说法语。空格前后两个句子存在语义上的因果关系，前为果，后为因，因此可用because或as来引导原因状语从句。故填because/as。
38．句意：他们和她一起玩游戏，和她分享传统食物。根据“played”可知此处应用动词短语play games表示“玩游戏”。故填games。
39．句意：周末，她加入了一个社区俱乐部，并承担志愿者工作。根据“and did”可知句子采用一般过去时，动词join的过去式为joined。故填joined。
40．句意：人们用微笑表示感谢，她总是回以微笑。thanks为名词，此处应用人称代词they的形容词性物主代词their修饰名词。故填their。
41．句意：语言对她来说不再是个问题。根据“Language was not a problem”可知此处表示语言对她来说不是问题，应用介词for来表示“对……而言”。故填for。
42．句意：作为俱乐部的新成员，蒂娜被邀请和其他成员一起聚会。句子应用一般过去时。根据“Tina”和“invite”可知此处应用其被动语态表示“她被邀请”，句子采用一般过去时的被动语态，其谓语结构为：was/were+过去分词，主语Tina为第三人称单数，be动词应用was，动词invite的过去分词为invited。故填was invited。
43．句意：蒂娜开始爱上她的新生活。根据“began”可知此处应用动词短语begin doing sth或begin to do sth表示“开始做某事”，动词love的动名词为loving，其不定式为to love。故填loving/to love。
44．句意：“微笑是我们生来就要说的第二种语言。这也是我得到的最好的礼物，”她经常自豪地说。said为动词，此处应用proud的副词proudly来修饰动词。故填proudly。
45．句意：微笑和伸出援助之手总是比语言更能拉近人们的距离。根据“than”可知此处应用形容词close的比较级closer。故填closer。
46．例文
With the global warming, more and more people realized the importance of protecting the environment.
It’s our duty to protect the earth. I always turn off the lights when I leave a room. While I am washing my hair, I usually turn off the shower. Besides, if I want to shop, I always take my own bags instead of using plastic bags. I have decided to do more things to protect our earth, such as recycling books and paper, stopping using paper napkins and stopping riding in cars.
It’s good for us to walk or ride bikes to school instead of riding cars. We can also plant more trees to change air around us.
Let’s take action! Our actions can make a difference and lead to a better future.
【详解】[总体分析]
① 题材：本文是一篇材料作文；
② 时态：时态为“一般现在时”；
③ 提示：写作要点已给出，学生应注意不要遗漏“要点提示”中自己曾经为保护环境做过哪些努力，以及将来还打算如何去做的介绍。适当添加细节，并突出写作重点。
[写作步骤]
第一步，介绍人们开始意识到保护环境是每个人的责任和义务；
第二步，结合自己谈一谈曾经为保护环境做过哪些努力，将来还打算如何去做；
第三步，书写结束语。号召大家保护环境。
[亮点词汇]
① turn off the lights 关灯
② such as 例如
③ instead of 代替，而不是
④ take action 采取行动
[高分句型]
① While I am washing my hair, I usually turn off the shower.（While引导时间状语从句）
② Besides, if I want to shop, I always take my own bags instead of using plastic bags.（if引导条件状语从句）
③ It’s good for us to walk or ride bikes to school instead of riding cars.（It’s+形容词+for sb. to do sth.句型）
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