课时20 九年级Unit 4 2025年中考英语（仁爱版）一轮复习考点探究学案（含答案）
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| 名称 | 课时20 九年级Unit 4 2025年中考英语（仁爱版）一轮复习考点探究学案（含答案） |  | |
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课时二十 九年级Unit 4
一阶 教材梳理
1. (n.)锁
(v.)(用锁)锁上,被锁住
→ (v.)开锁
★ 把门锁上
★ 把门打开
2. (n.)发明,创造
→ (v.)发明
→ (n.)发明家,发明者
→ (n.)发明,创造
3. (n.)彩色铅笔(粉笔、蜡笔)等
4. (n.)想法,看法,主意
→ (v.)考虑
→ (n.)思想家
→ (n.)想法,见解
5. (adj.)愚蠢的,傻的
6. (n.)气球;热气球
★ 热气球
★ 吹气球
7. (n.)枪,炮
8. (n.)机器人
9. (n.)键盘
★ 电子键盘
10. (n.)标示;记号;符号
(v.)做记号,做标记
→ (n.)标志,标记
★ 记号笔
11. (n.)屏幕;银幕
★ 在屏幕上
12. (v.)描述;形容;把……称为
13. (v.) 意识到,领会;实现
→ (adj.)真的,真正的
→ (n.)实现
14. (n.)风暴,暴(风)雨
→ (adj.)有暴风雨的
→ (n.)暴风雨
→ (n.)沙暴
→ (n.)雷暴
→ (n.)雪暴
→ (n.)暴风
15. (v.)重,有……重
→ (n.)重量
★ 袋子的重量
★ 两公斤重
★ 按重量出售
16. (n.)(尤指长途)旅行
★ 中国之旅
17. (adj.)电子的
→ (adj.)电的
→ (n.)电
★ 电子词典
18. (n. & v.)怀疑,疑惑
→ (adj.)可疑的;不确定的
→ (adv.)可疑地;不确定地
→ (adj.)无疑的,确定的
★ 无疑地
★ 毫无疑问……
19. (adj.)极小的,微小的
→ (比较级)
→ (最高级)
20. (prep.)在……内;在……里
(adv.)在里面
21. (n.)脑;智力;脑力
★ 动脑筋
22. (v.)取消,撤销;废止
→ (过去式/过去分词)
→ (现在分词)
23. (v.)连接;把……联系起来
→ (n.)连接器;连接物
→ (n.)关系,联系;连接
★ 与……有关
24. (adj.)确定的,无疑的;一定会……
→ (adv.)确定地,无疑地
★ 肯定,确定,无疑
★ 我确信……
25. (v.)警告,告诫
→ (n.)警告
★ 警告某人不要做某事
26. (modal v.)可以,可能
→ (原形)
27. (n.)家务劳动,家务事
★ 做家务
28. (n.)杂志
29. (n.)妻子,太太
→ (pl.)
30. (n.)油漆;油漆涂层
(v.)在……刷油漆;用颜料画
→ (n.)画家;油漆工
→ (n.)油画
31. (n.)王宫,宫殿
★ 故宫
★ 颐和园
32. (n.)塔
★ 钟楼
重点词块&句式
1.It (由……制成) metal.
2.It (被用来……) sending satellites or spaceships into space.
3.I hope your dream will (实现).
4. (据说……) he invented more than two thousand things during his life.
5.Inventions (产生) in many ways.
6. (……中没有一个) these things was planted in fields.
7. your inventions (与……分享……) others.
8.We will (能够做任何……的事) can be done on the earth.
9.Some scientists believe that aliens can be found in (外太空).
10.But I science (与……相比更喜欢……) dance.
11.The gravity on the surface of Mars is about (五分之二) as strong as it is on the earth.
12.It's a spaceship which was launched as China's first (月球探测器).
13.There is (毫无疑问) computers are very useful in technology and business.
14. (例如), if we work on computers too long, we may get headaches or sore eyes.
15.No one knows (确切地), but most people think that robots will be part of our lives.
16.In a few years, perhaps robots will (自行思考), just as people use their brains and act for themselves.
二阶 语境巧记
1.The computer has influenced our life a lot since it (invent).
2.A (think) is an idea that you have in your mind.
3.Li Lei is getting fatter and fatter these days, so he must take action to lose (weigh).
4.According to Wang Jun's (describe), the police caught the robber successfully.
5.Now some kinds of (electricity) products have changed our life greatly, such as computers and mobile phones.
6.The robots in the future (may) start to think for themselves.
7.This is a valuable (paint), so you must take good care of it.
三阶 语篇串记
when and paint wonderful great
with artist draw invent he
Who designed the first helicopter(直升机) Who 1. the most famous pictures in the world Who knew more about the human body than most doctors There is an answer to all these questions—Leonardo da Vinci.
Leonardo may have been one of the 2. genius(天才) that people have ever known. He lived in Italy around the year 1,500, but many of his 3. seem modern to us today. For example,he had 4. a picture of a helicopter. Of course, he couldn't build a helicopter 5. the things he had.But scientists say 6. idea would have worked.
But Leonardo wasn't just an inventor. He was one of the greatest 7. of his day. When he was just twenty years old, he was called a master (大师) painter by people, 8. as he got older he became even more famous. Sometimes he drew a hand in ten different ways 9. he was ready to paint.
Many of Leonardo's 10. paintings are still with us today. You may know one of his most famous works—the smiling woman known for Mona Lisa.
【考点讲堂】
weigh的用法
—How heavy is the biggest blue whale
—As I know, it weighs about 240,000 kilos.
用weigh或weight的正确形式填空。
1.A train can more than 30,000 kilos!
2.He has grown both in height and .
3.Cao Chong is known for coming up with the simple way to the elephant when he was a child.
4.A football about 400 grams.
5.I 245 pounds and was out of shape.
doubt的用法
(2023·河南)Without any doubt, I bought some gifts for my friends.
◆作名词,意为“疑惑;疑问”
1.without doubt(一般用于句首)=there's no doubt that ...意为“毫无疑问……”。
2.in doubt疑惑;拿不定主意。
◆作动词,意为“怀疑”
1.用在肯定句中时,后接if或 whether。例如:
I doubt if/whether he will come.我怀疑他是否会来。
2.用在否定句或疑问句中时,后接that从句。例如:There is no doubt that this is the best.毋庸置疑,这是最好的。
根据汉语意思完成句子。
1.毫无疑问,她适合这个工作。
she is suitable for the job.
2.我们真的怀疑Robert是否能通过攀岩测试,因为他错过了很多训练。
Robert will pass the rock climbing test, for he missed a lot of training.
warn的用法
(2024·河南)Red sky in the morning, sailors (水手) take warning.
按要求完成下列练习。
1.He warned me (keep) away from this bad habit.(用所给词的适当形式填空)
2.She (warn) that if she did it again, she would lose her job.(用所给词的适当形式填空)
3.He was about to run across the street when I warned him the danger.(用适当的介词填空)
4.Doctors gave a (warn) against eating any junk food.(用所给词的适当形式填空)
5.They warned us not to climb the mountain in such bad weather. (变为同义句)
They not to climb the mountain in such bad weather.
6.警察提醒他不要在红灯亮着时横穿马路。(根据汉语意思完成句子)
The policeman warned him the road when the traffic light is red.
【参考答案】
一阶教材梳理
1.lock unlock lock the door unlock the door
2.invention invent inventor invention 3.crayon
4.thought think thinker thinking 5.silly 6.balloon
hot-air balloon blow up a balloon 7.gun 8.robot
9.keyboard electronic keyboard 10.mark marker marker pen 11.screen on the screen 12.describe
13.realize real realization 14.storm stormy rainstorm sandstorm thunderstorm snowstorm windstorm 15.weigh weight the weight of the bag two kilos in weight sold by weight 16.journey a journey to China 17.electronic electric electricity an electronic dictionary 18.doubt doubtful doubtfully doubtless no doubt There is no doubt that... 19.tiny
tinier tiniest 20.inside 21.brain use your brain
22.cancel canceled/cancelled canceling/cancelling
23.connect connector connection in connection with 24.certain certainly for certain I'm certain that... 25.warn warning warn sb. not to do sth. 26.might may 27.housework do housework 28.magazine
29.wife wives 30.paint painter painting 31.palace
Palace Museum the Summer Palace 32.tower bell/clock tower
重点词块&句式
1.is made of 2.is used for 3.come true 4.It's said that
5.come about 6.None of 7.Share with 8.be able to do anything that 9.outer space 10.prefer to 11.two-fifths 12.lunar probe 13.no doubt that 14.For instance 15.for certain 16.think on their own
二阶语境巧记
1.was invented 2.thought 3.weight 4.description 5.electronic 6.may/might 7.painting
三阶语篇串记
1.painted 2.greatest 3.inventions 4.drawn 5.with 6.his 7.artists 8.and 9.when 10.wonderful
考点讲堂
考点1
三悟:1.weigh 2.weight 3.weigh 4.weighs
5.weighed
考点2
三悟:1.There's no doubt that 2.We really doubt whether/if
考点3
三悟:1.to keep 2.was warned 3.about/of 4.warning
5.gave us a warning 6.not to cross
一阶 教材梳理
1. (n.)锁
(v.)(用锁)锁上,被锁住
→ (v.)开锁
★ 把门锁上
★ 把门打开
2. (n.)发明,创造
→ (v.)发明
→ (n.)发明家,发明者
→ (n.)发明,创造
3. (n.)彩色铅笔(粉笔、蜡笔)等
4. (n.)想法,看法,主意
→ (v.)考虑
→ (n.)思想家
→ (n.)想法,见解
5. (adj.)愚蠢的,傻的
6. (n.)气球;热气球
★ 热气球
★ 吹气球
7. (n.)枪,炮
8. (n.)机器人
9. (n.)键盘
★ 电子键盘
10. (n.)标示;记号;符号
(v.)做记号,做标记
→ (n.)标志,标记
★ 记号笔
11. (n.)屏幕;银幕
★ 在屏幕上
12. (v.)描述;形容;把……称为
13. (v.) 意识到,领会;实现
→ (adj.)真的,真正的
→ (n.)实现
14. (n.)风暴,暴(风)雨
→ (adj.)有暴风雨的
→ (n.)暴风雨
→ (n.)沙暴
→ (n.)雷暴
→ (n.)雪暴
→ (n.)暴风
15. (v.)重,有……重
→ (n.)重量
★ 袋子的重量
★ 两公斤重
★ 按重量出售
16. (n.)(尤指长途)旅行
★ 中国之旅
17. (adj.)电子的
→ (adj.)电的
→ (n.)电
★ 电子词典
18. (n. & v.)怀疑,疑惑
→ (adj.)可疑的;不确定的
→ (adv.)可疑地;不确定地
→ (adj.)无疑的,确定的
★ 无疑地
★ 毫无疑问……
19. (adj.)极小的,微小的
→ (比较级)
→ (最高级)
20. (prep.)在……内;在……里
(adv.)在里面
21. (n.)脑;智力;脑力
★ 动脑筋
22. (v.)取消,撤销;废止
→ (过去式/过去分词)
→ (现在分词)
23. (v.)连接;把……联系起来
→ (n.)连接器;连接物
→ (n.)关系,联系;连接
★ 与……有关
24. (adj.)确定的,无疑的;一定会……
→ (adv.)确定地,无疑地
★ 肯定,确定,无疑
★ 我确信……
25. (v.)警告,告诫
→ (n.)警告
★ 警告某人不要做某事
26. (modal v.)可以,可能
→ (原形)
27. (n.)家务劳动,家务事
★ 做家务
28. (n.)杂志
29. (n.)妻子,太太
→ (pl.)
30. (n.)油漆;油漆涂层
(v.)在……刷油漆;用颜料画
→ (n.)画家;油漆工
→ (n.)油画
31. (n.)王宫,宫殿
★ 故宫
★ 颐和园
32. (n.)塔
★ 钟楼
重点词块&句式
1.It (由……制成) metal.
2.It (被用来……) sending satellites or spaceships into space.
3.I hope your dream will (实现).
4. (据说……) he invented more than two thousand things during his life.
5.Inventions (产生) in many ways.
6. (……中没有一个) these things was planted in fields.
7. your inventions (与……分享……) others.
8.We will (能够做任何……的事) can be done on the earth.
9.Some scientists believe that aliens can be found in (外太空).
10.But I science (与……相比更喜欢……) dance.
11.The gravity on the surface of Mars is about (五分之二) as strong as it is on the earth.
12.It's a spaceship which was launched as China's first (月球探测器).
13.There is (毫无疑问) computers are very useful in technology and business.
14. (例如), if we work on computers too long, we may get headaches or sore eyes.
15.No one knows (确切地), but most people think that robots will be part of our lives.
16.In a few years, perhaps robots will (自行思考), just as people use their brains and act for themselves.
二阶 语境巧记
1.The computer has influenced our life a lot since it (invent).
2.A (think) is an idea that you have in your mind.
3.Li Lei is getting fatter and fatter these days, so he must take action to lose (weigh).
4.According to Wang Jun's (describe), the police caught the robber successfully.
5.Now some kinds of (electricity) products have changed our life greatly, such as computers and mobile phones.
6.The robots in the future (may) start to think for themselves.
7.This is a valuable (paint), so you must take good care of it.
三阶 语篇串记
when and paint wonderful great
with artist draw invent he
Who designed the first helicopter(直升机) Who 1. the most famous pictures in the world Who knew more about the human body than most doctors There is an answer to all these questions—Leonardo da Vinci.
Leonardo may have been one of the 2. genius(天才) that people have ever known. He lived in Italy around the year 1,500, but many of his 3. seem modern to us today. For example,he had 4. a picture of a helicopter. Of course, he couldn't build a helicopter 5. the things he had.But scientists say 6. idea would have worked.
But Leonardo wasn't just an inventor. He was one of the greatest 7. of his day. When he was just twenty years old, he was called a master (大师) painter by people, 8. as he got older he became even more famous. Sometimes he drew a hand in ten different ways 9. he was ready to paint.
Many of Leonardo's 10. paintings are still with us today. You may know one of his most famous works—the smiling woman known for Mona Lisa.
【考点讲堂】
weigh的用法
—How heavy is the biggest blue whale
—As I know, it weighs about 240,000 kilos.
用weigh或weight的正确形式填空。
1.A train can more than 30,000 kilos!
2.He has grown both in height and .
3.Cao Chong is known for coming up with the simple way to the elephant when he was a child.
4.A football about 400 grams.
5.I 245 pounds and was out of shape.
doubt的用法
(2023·河南)Without any doubt, I bought some gifts for my friends.
◆作名词,意为“疑惑;疑问”
1.without doubt(一般用于句首)=there's no doubt that ...意为“毫无疑问……”。
2.in doubt疑惑;拿不定主意。
◆作动词,意为“怀疑”
1.用在肯定句中时,后接if或 whether。例如:
I doubt if/whether he will come.我怀疑他是否会来。
2.用在否定句或疑问句中时,后接that从句。例如:There is no doubt that this is the best.毋庸置疑,这是最好的。
根据汉语意思完成句子。
1.毫无疑问,她适合这个工作。
she is suitable for the job.
2.我们真的怀疑Robert是否能通过攀岩测试,因为他错过了很多训练。
Robert will pass the rock climbing test, for he missed a lot of training.
warn的用法
(2024·河南)Red sky in the morning, sailors (水手) take warning.
按要求完成下列练习。
1.He warned me (keep) away from this bad habit.(用所给词的适当形式填空)
2.She (warn) that if she did it again, she would lose her job.(用所给词的适当形式填空)
3.He was about to run across the street when I warned him the danger.(用适当的介词填空)
4.Doctors gave a (warn) against eating any junk food.(用所给词的适当形式填空)
5.They warned us not to climb the mountain in such bad weather. (变为同义句)
They not to climb the mountain in such bad weather.
6.警察提醒他不要在红灯亮着时横穿马路。(根据汉语意思完成句子)
The policeman warned him the road when the traffic light is red.
【参考答案】
一阶教材梳理
1.lock unlock lock the door unlock the door
2.invention invent inventor invention 3.crayon
4.thought think thinker thinking 5.silly 6.balloon
hot-air balloon blow up a balloon 7.gun 8.robot
9.keyboard electronic keyboard 10.mark marker marker pen 11.screen on the screen 12.describe
13.realize real realization 14.storm stormy rainstorm sandstorm thunderstorm snowstorm windstorm 15.weigh weight the weight of the bag two kilos in weight sold by weight 16.journey a journey to China 17.electronic electric electricity an electronic dictionary 18.doubt doubtful doubtfully doubtless no doubt There is no doubt that... 19.tiny
tinier tiniest 20.inside 21.brain use your brain
22.cancel canceled/cancelled canceling/cancelling
23.connect connector connection in connection with 24.certain certainly for certain I'm certain that... 25.warn warning warn sb. not to do sth. 26.might may 27.housework do housework 28.magazine
29.wife wives 30.paint painter painting 31.palace
Palace Museum the Summer Palace 32.tower bell/clock tower
重点词块&句式
1.is made of 2.is used for 3.come true 4.It's said that
5.come about 6.None of 7.Share with 8.be able to do anything that 9.outer space 10.prefer to 11.two-fifths 12.lunar probe 13.no doubt that 14.For instance 15.for certain 16.think on their own
二阶语境巧记
1.was invented 2.thought 3.weight 4.description 5.electronic 6.may/might 7.painting
三阶语篇串记
1.painted 2.greatest 3.inventions 4.drawn 5.with 6.his 7.artists 8.and 9.when 10.wonderful
考点讲堂
考点1
三悟:1.weigh 2.weight 3.weigh 4.weighs
5.weighed
考点2
三悟:1.There's no doubt that 2.We really doubt whether/if
考点3
三悟:1.to keep 2.was warned 3.about/of 4.warning
5.gave us a warning 6.not to cross