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【2025中考一轮复习 教材知识梳理】九年级Unit 7~Unit 8能力提升练习
一、阅读理解
Mosquitoes(蚊子) see red when they look at your skin(皮肤), and that brings them in for a bite(咬), according to the new research showing that these insects find certain colors more attractive(诱人的).
The findings mean that you can choose what to wear to reduce(减少) your chances of being bitten, but there’s little you can do about your skin. This is because everyone’s skin gives off a strong red signal.
“I used to say there were three main things that attract mosquitoes—our breath, sweat(汗水) and the temperature of our skin,” said Jeffrey Riffell, a senior researcher of the study. “In this study, we found a fourth one: the color red. It can be found not only on your clothes, but also in everyone’s skin. We are all giving off a strong red signal no matter our skin is light or dark.”
Researchers found that when mosquitoes find CO2 from our breath, they then look for certain colors—including red, orange and black—to find their meal of blood. But they are not interested in colors such as green, purple, blue and white.
“Mosquitoes seem to use smells to help them know what is nearby,” Riffell said. “Imagine you’re on a street and you smell pie,” Riffell said.“That’s probably a sign that there’s a cake shop nearby, and you might start looking around for it.”
Knowing what colors mosquitoes like or dislike may lead to better methods to protect us from mosquitoes. According to the researchers, further study is needed to learn how other things mosquitoes can see or smell help guide them to their goals.
( )1.What can help guide mosquitoes to us according to Riffell
①Our sweat.
②The color of our skin.
③The color of our clothes.
④The CO2 from our breath.
⑤The temperature of our skin.
A.①②③④ B.①②③⑤
C.①②④⑤ D.①③④⑤
( )2.What can we learn from the research
A.Our skin appears red in mosquitoes’ eyes.
B.Mosquitoes prefer to bite people with dark skin.
C.Some colors can be used to drive away mosquitoes.
D.We can kill mosquitoes by choosing what to wear.
( )3.Why did Riffell talk about people smelling pie
A.To show how smart humans are.
B.To compare mosquitoes with humans.
C.To explain how mosquitoes find a goal.
D.To warn cake shop owners of mosquitoes.
二、完形填空
I used to have little passion(激情) in my life. But what happened the other day changed my mind. It was then that I learned how 1 it is to have a passion in life.
That day I went home in Mom’s car. When Mom 2 at a red light, someone on the side of the road caught my eye. It was a man dressed 3 rags(破旧衣服). He was homeless. That didn’t interest me, because I had seen 4 like him before. Those people usually looked unhappy and hopeless. But this man was 5 in some way. He was not sitting down with a 6 expression. Instead, he had a 7 in his hand and was dancing happily to the music. The radio seemed to be the most valuable thing he had.
“Mom, why does that man have a radio 8 he’s homeless ” I asked.
“He 9 it,” she replied.
“But why doesn’t he use the money to buy food or clothes He 10 something that he didn’t need.”
“Well, Sarah, sometimes food and clothes aren’t the most important.”
That man must care so much about 11 that he bought a radio instead of food or clothes. I soon realized that 12 is the key to life.
Since then I have always been thinking of 13 is truly important in life. A home, a meal, clothes—these things are 14 part of the life. What we often forget is that we all need a joy, a light in a 15 day. We all need a passion which gives a person the happiness they need to keep going.
( )1.A.strange B.important C.dangerous D.difficult
( )2.A.stopped B.walked C.stood D.exercised
( )3.A.in B.on C.at D.of
( )4.A.none B.few C.all D.man
( )5.A.common B.different C.polite D.rude
( )6.A.sad B.nervous C.mad D.happy
( )7.A.hat B.phone C.scarf D.radio
( )8.A.though B.because C.until D.unless
( )9.A.borrowed B.made C.fixed D.bought
( )10.A.asked for B.waited for C.paid for D.looked for
( )11.A.stories B.music C.news D.languages
( )12.A.knowledge B.health C.happiness D.friendship
( )13.A.who B.what C.where D.when
( )14.A.only B.all C.also D.never
( )15.A.warm B.hot C.dark D.relaxing
三、任务型阅读
同学们,每年三月份我们都会参加学雷锋日和植树节活动。作为中学生,我们能否充分发挥想象,发现更多能表达我们爱心的公益活动呢 阅读下面短文,将选项中的小标题 (A—E)与相应的段落匹配,其中有一项多余,并完成第5小题。
March is famous for Lei Feng Day and Tree Planting Day. Both of them are aimed to show humans’ kindness and friendship. It’s a way to show others how much they matter.
So this year, why not think about the different ways that you can show some extra kindness Helping other people is guaranteed to make you feel happy, and here are a few easy ways to spread some love.
1. _________
You don’t have to spend money or buy gifts to show old people that they’re important. Giving your time is also really valuable. You could help at a fundraising(筹备资金) event, have a weekly video call with a grandparent and look after them when they feel lonely.
2. _________
Charities work hard to raise money so that they can help people. So dropping some spare coins into a donation box or sponsoring a friend or family member can make a big difference. Don’t forget, you can also donate clothes and toys that you’ve grown out of to your local charity shop.
3. _________
People always notice a thoughtful or considerate act, whether it’s sharing your sweets or making a cup of tea for your grown-ups, small acts of kindness are a great way to make people feel special.
4. _________
Sometimes we all need a few extra helping hands. Perhaps you could help a younger brother or sister with their homework, wash an elderly neighbor’s car or offer to collect up books at the end of lesson. It might only take a few minutes, but it could make a big difference to someone’s day.
A.Donating
B.A helping hand
C.Buying gifts
D.Making time
E.Acts of kindness
5.Would you like to help an old man if he lives alone What will you do to help him according to the text (Please write in no less than twenty words两个问题的回答不少于20词)
_______________________________________________________________________________________
四、语法填空
Have you heard of the saying “Fall down seven times, stand up eight.” It means that no matter 1. _________ difficult things you have gotten and no matter how many mistakes you have made, you still have the passion and energy to keep going. This is called perseverance(毅力) and it can help you achieve some life 2. _________(goal).
Perseverance means keeping 3. _________(do) something over a long time, even when the going gets more and more difficult. 4. _____ is believed that you can achieve a goal if you prepare to work for it. Practicing a trick on your bike over and over again or finishing a picture without throwing it away shows perseverance. Florence, 12, says, “It means never giving up, being determined and trying your best 5. _________(keep) pushing yourself. I go running with my mom three times a week, even when I don’t feel like it, because I want to be the 6. ______ (fast) in my class. ”
Studies show that feeling hopeful and working towards a goal can reduce stress and make you feel happier. Achieving what you’ve worked for can develop your confidence. It can 7. ____ make you feel braver to try new things. Angela Duckworth, 8. _____ expert in thoughts and feelings, believes that it doesn’t matter how talented, clever or rich you are, having perseverance is what really helps you succeed. She explains, “No matter how talented you are, and no matter how easily your lessons 9.______ _________(finish) well, you should have perseverance.”
Duckworth believes perseverance is something anyone can learn. The best way to do this is to have a growth mind. This means you should 10. _________(believe) that your brain can grow, and that you can achieve anything if you put your mind to it. So instead of thinking “I can’t do this”, try thinking “I can’t do this... yet”.
五、书面表达
假如你是中学生Lynn,以下是你的外国好友Marcus给你发来的一封邮件,请仔细阅读并回复邮件。
Dear Lynn, The role of mobile phones in our lives is becoming increasingly important, as they bring lots of convenience to our lives. However, it’s not good to use the phone too much. What do you think are the disadvantages of using mobile phones too much By the way, have you picked up any new hobbies recently Yours, Marcus
Dear Marcus,
_______________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________________________
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
Lynn
21世纪教育网(www.21cnjy.com)(共30张PPT)
九年级Unit 7~Unit 8
能力提升 答案
人教2025中考一轮复习 教材知识梳理
一、阅读理解
Mosquitoes(蚊子) see red when they look at your skin(皮肤), and that brings them in for a bite(咬), according to the new research showing that these insects find certain colors more attractive(诱人的).
The findings mean that you can choose what to wear to reduce(减少) your chances of being bitten, but there’s little you can do about your skin. This is because everyone’s skin gives off a strong red signal.
“I used to say there were three main things that attract mosquitoes—our breath, sweat(汗水) and the temperature of our skin,” said Jeffrey Riffell, a senior researcher of the study. “In this study, we found a fourth one: the color red. It can be found not only on your clothes, but also in everyone’s skin. We are all giving off a strong red signal no matter our skin is light or dark.”
Researchers found that when mosquitoes find CO2 from our breath, they then look for certain colors—including red, orange and black—to find their meal of blood. But they are not interested in colors such as green, purple, blue and white.
“Mosquitoes seem to use smells to help them know what is nearby,” Riffell said. “Imagine you’re on a street and you smell pie,” Riffell said.“That’s probably a sign that there’s a cake shop nearby, and you might start looking around for it.”
Knowing what colors mosquitoes like or dislike may lead to better methods to protect us from mosquitoes. According to the researchers, further study is needed to learn how other things mosquitoes can see or smell help guide them to their goals.
( )1.What can help guide mosquitoes to us according to Riffell
①Our sweat.
②The color of our skin.
③The color of our clothes.
④The CO2 from our breath.
⑤The temperature of our skin.
A.①②③④ B.①②③⑤
C.①②④⑤ D.①③④⑤
D
( )2.What can we learn from the research
A.Our skin appears red in mosquitoes’ eyes.
B.Mosquitoes prefer to bite people with dark skin.
C.Some colors can be used to drive away mosquitoes.
D.We can kill mosquitoes by choosing what to wear.
( )3.Why did Riffell talk about people smelling pie
A.To show how smart humans are.
B.To compare mosquitoes with humans.
C.To explain how mosquitoes find a goal.
D.To warn cake shop owners of mosquitoes.
A
C
二、完形填空
I used to have little passion(激情) in my life. But what happened the other day changed my mind. It was then that I learned how 1 it is to have a passion in life.
That day I went home in Mom’s car. When Mom 2 at a red light, someone on the side of the road caught my eye. It was a man dressed 3 rags(破旧衣服). He was homeless. That didn’t interest me, because I had seen 4 like him before. Those people usually looked unhappy and hopeless. But this
man was 5 in some way. He was not sitting down with a 6 expression. Instead, he had a 7 in his hand and was dancing happily to the music. The radio seemed to be the most valuable thing he had.
“Mom, why does that man have a radio 8 he’s homeless ” I asked.
“He 9 it,” she replied.
“But why doesn’t he use the money to buy food or clothes He 10 something that he didn’t need.”
“Well, Sarah, sometimes food and clothes aren’t the most important.”
That man must care so much about 11 that he bought a radio instead of food or clothes. I soon realized that 12 is the key to life.
Since then I have always been thinking of 13 is truly important in life. A home, a meal, clothes—these things are 14 part of the life. What we often forget is that we all need a joy, a light in a 15 day. We all need a passion which gives a person the happiness they need to keep going.
( )1.A.strange B.important
C.dangerous D.difficult
( )2.A.stopped B.walked
C.stood D.exercised
( )3.A.in B.on
C.at D.of
( )4.A.none B.few
C.all D.many
B
A
A
D
( )5.A.common B.different
C.polite D.rude
( )6.A.sad B.nervous
C.mad D.happy
( )7.A.hat B.phone
C.scarf D.radio
( )8.A.though B.because
C.until D.unless
B
A
D
A
( )9.A.borrowed B.made
C.fixed D.bought
( )10.A.asked for B.waited for
C.paid for D.looked for
( )11.A.stories B.music
C.news D.languages
( )12.A.knowledge B.health
C.happiness D.friendship
D
C
B
C
( )13.A.who B.what
C.where D.when
( )14.A.only B.all
C.also D.never
( )15.A.warm B.hot
C.dark D.relaxing
B
A
C
三、任务型阅读
同学们,每年三月份我们都会参加学雷锋日和植树节活动。作为中学生,我们能否充分发挥想象,发现更多能表达我们爱心的公益活动呢 阅读下面短文,将选项中的小标题 (A—E)与相应的段落匹配,其中有一项多余,并完成第5小题。
March is famous for Lei Feng Day and Tree Planting Day. Both of them are aimed to show humans’ kindness and friendship. It’s a way to show others how much they matter.
So this year, why not think about the different ways that you can show some extra kindness Helping other people is guaranteed to make you feel happy, and here are a few easy ways to spread some love.
1. _________
You don’t have to spend money or buy gifts to show old people that they’re important. Giving your time is also really valuable. You could help at a fundraising(筹备资金) event, have a weekly video call with a grandparent and look after them when they feel lonely.
D
2. _________
Charities work hard to raise money so that they can help people. So dropping some spare coins into a donation box or sponsoring a friend or family member can make a big difference. Don’t forget, you can also donate clothes and toys that you’ve grown out of to your local charity shop.
A
3. _________
People always notice a thoughtful or considerate act, whether it’s sharing your sweets or making a cup of tea for your grown-ups, small acts of kindness are a great way to make people feel special.
4. _________
Sometimes we all need a few extra helping hands. Perhaps you could help a younger brother or sister with their homework, wash an elderly neighbor’s car or offer to collect up books at the end of lesson. It might only take a few minutes, but it could make a big difference to someone’s day.
E
B
A.Donating
B.A helping hand
C.Buying gifts
D.Making time
E.Acts of kindness
5.Would you like to help an old man if he lives alone What will you do to help him according to the text (Please write in no less than twenty words两个问题的回答不少于20词)
______________________________________________________________________________________________________________
Yes, I’d like to. I will visit him on weekends and help him with some things, such as washing his car and cleaning his room.
四、语法填空
Have you heard of the saying “Fall down seven times, stand up eight.” It means that no matter 1. _________ difficult things you have gotten and no matter how many mistakes you have made, you still have the passion and energy to keep going. This is called perseverance(毅力) and it can help you achieve some life 2. _________(goal).
how
goals
Perseverance means keeping 3. _________(do) something over a long time, even when the going gets more and more difficult. 4. _____ is believed that you can achieve a goal if you prepare to work for it. Practicing a trick on your bike over and over again or finishing a picture without throwing it away shows perseverance. Florence, 12, says, “It means never giving up, being determined and trying your best 5. _________(keep) pushing yourself. I go running with my mom three times a week, even when I don’t feel like it, because I want to be the 6. ______ (fast) in my class. ”
doing
It
to keep
fastest
Studies show that feeling hopeful and working towards a goal can reduce stress and make you feel happier. Achieving what you’ve worked for can develop your confidence. It can 7. ____ make you feel braver to try new things. Angela Duckworth, 8. _____ expert in thoughts and feelings, believes that it doesn’t matter how talented, clever or rich you are, having perseverance is what really helps you succeed. She explains, “No matter how talented you are, and no matter how easily your lessons 9.______ _________(finish) well, you should have perseverance.”
also
an
finished
are
Duckworth believes perseverance is something anyone can learn. The best way to do this is to have a growth mind. This means you should 10. _________(believe) that your brain can grow, and that you can achieve anything if you put your mind to it. So instead of thinking “I can’t do this”, try thinking “I can’t do this... yet”.
believe
五、书面表达
假如你是中学生Lynn,以下是你的外国好友Marcus给你发来的一封邮件,请仔细阅读并回复邮件。
Dear Lynn,
The role of mobile phones in our lives is becoming increasingly important, as they bring lots of convenience to our lives. However, it’s not good to use the phone too much. What do you think are the disadvantages of using mobile phones too much
By the way, have you picked up any new hobbies recently
Yours,
Marcus
_______________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ _______________________________________________________
Dear Marcus,
Although the phone makes people happy, using phones for a long time is harmful. Firstly, it is bad for our study. We won’t get good grades. Secondly, it’s harmful to our health. Spending too much time on the phone can make our eyesight bad, and sitting for too long makes us lack of exercise. Finally, using the phone too much can reduce communication between people. If we don’t communicate with others often, we will be lonely.
Glad to receive your email.
Lately, I’ve started reading books. It’s a good way to relax and not look at my phone all the time. Have you noticed any bad things caused by using your phone a lot And have you found any new things to do for fun
Write back soon!
Yours,
Lynn
_______________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________
Thanks!
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