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/ 让学习更有效 新课备课备考 | 英语学科
/ 让学习更有效 新课备课备考 | 英语学科
2025 - 2026学年八年级上册英语沪教版（2024）Unit 1-Unit 3
阶段提升培优卷
注意事项
1. 全卷满分120分。考试时间120分钟。试题包含选择题和非选择题。考生答题全部答在答题卡上，答在本试卷上无效。
2. 请认真核对监考教师在答题卡上所粘贴条形码的姓名、考试证号是否与本人相符，再将自己的姓名、考试证号用0.5毫米黑色墨水签字笔填写在答题卡及本试卷上。
3. 答选择题必须用2B铅笔将答题卡上对应的答案标号涂黑。如需改动请用橡皮擦干净后，再选涂其他答案。答非选择题必须用0.5毫米黑色墨水签字笔写在答题卡的指定位置，在其他位置答题一律无效 。
第一部分 选择题（满分：60分）
一、单项选择（本大题共15小题，每小题1分，共15分）
1．—When you don’t know a word, what will you do
— I will ________ it up in a dictionary.
A．look B．see C．watch D．read
2．Dictionaries are very ________ for English learning.
A．helpless B．helpful C．useless D．boring
3．There isn’t ________ milk at home. Let’s go to get ________.
A．some; some B．any; some C．any; any D．some; any
4．There isn’t ________ milk in glass.
A．a B．an C．some D．any
5．David is new here, so we know ________ about him.
A．nothing B．something C．anything D．everything
6．Math lovers often study number ________.
A．stories B．pictures C．theories D．songs
7．We can find many number ________ in nature.
A．patterns B．pictures C．songs D．dances
8．The number π is an ________ decimal.
A．infinite B．finite C．small D．large
9．—The movie The Wandering Earth tells us a story about how people tried to save Earth.
—Yes. In the film, humans chose to stay on Earth ________ running away from it.
A．as for B．thanks to C．instead of D．together with
10．John began to make a living by himself ________.
A．in his thirty B．in his thirties C．in the thirty D．in the thirties
11．The new policy has had a positive ________ on the local economy. Many small-businesses have started to thrive.
A．affect B．effect C．effort D．afford
12．The ________ device has made our life much more convenient.
A．electric B．electronic C．electrical D．electricity
13．The famous singer will come to our city to hold a concert ________. You can’t miss it.
A．in common B．in person C．in silence D．in public
14．I left a ________ for you on your desk. It says you should call me back as soon as possible.
A．news B．information C．message D．comment
15．In the ________ age, online shopping has become extremely popular.
A．digital B．physical C．traditional D．natural
二、完型填空（本大题共15小题，每小题1分，共15分）
Digital technology has changed our lives in many ways. From the moment we wake up to the time we go to bed, we are surrounded by digital products and technologies.
A new type of smart walking stick is helping blind people live more 16 . It can detect objects as soon as the user gets close and 17 them of danger. It can also provide directions and bus timetables, making outdoor activities 18 for the disabled .
In education, digital technology is 19 the gap between urban and rural areas. In India, rural schools with internet connections now have 20 to online lessons from top schools in big cities. This gives students in remote areas the same learning 21 as those in cities .
Firefighting robots are another example of digital technology in 22 . These robots can walk, run and climb in dangerous fire environments. They 23 video information to the control unit, helping firefighters make safe plans. This 24 firefighters from unnecessary risks .
However, digital life also has 25 . Some people spend too much time on screens, which easily 26 to less physical exercise. There are also risks of personal information being 27 by hidden software.
Despite these problems, digital technology is still 28 a big part in our lives. It’s important to use it 29 and balance digital time with real-life 30 .
16．A．safely B．quick C．sudden D．noisy
17．A．talks B．warns C．says D．speaks
18．A．harder B．safer C．heavier D．later
19．A．increasing B．stopping C．bridging D．breaking
20．A．access B．time C．money D．place
21．A．results B．chances C．jobs D．games
22．A．trouble B．danger C．use D．mind
23．A．receive B．send C．refuse D．hide
24．A．protects B．hurts C．follows D．invites
25．A．advantages B．purposes C．disadvantages D．differences
26．A．leads B．finds C．gets D．makes
27．A．helped B．collected C．forgotten D．returned
28．A．taking B．doing C．having D．making
29．A．carelessly B．wisely C．quickly D．loudly
30．A．problems B．technologies C．activities D．products
三、阅读单选（本大题共15小题，每小题2分，共30分）
（A）
Thomas Edison lit up the world with his invention of the electric light. Without him, the world might still be in the dark. However, the electric light was not his only invention. He also invented the motion picture camera and over 1, 200 other things. About every two weeks he created something new.
Thomas Edison was born in 1847. He attended school for only three months. His mother taught him at home, but Thomas was mostly self-educated. He started experimenting at a young age.
When he was 12 years old, he got his first job. He became a newsboy(报童) on a train. He did experiments on the train in his spare time. Unluckily, his first work experience did not end well. They fired him when he accidentally set fire to the floor of the train. Then Edison worked for five years as a telegraph operator, but he continued to spend much of his time in experimenting his first patent (专利) in 1868 for a vote recorder run by electricity.
Thomas Edison was totally deaf in one ear and hard of hearing in the other, but he thought of his deafness as a blessing(祝福) in many ways. It kept conversations short, so that he could have more time for work. He always worked 16 out of every 24 hours. Sometimes his wife had to remind him to sleep and eat.
Thomas Edison died at the age of 84. He left a great many inventions that greatly improved the quality of life all over the world.
31．How often did Edison make a new invention
A．About every fourteen days. B．About every seven days.
C．About once a week. D．About twice a week.
32．What does the underlined word “fired” mean in this passage
A．Gave somebody a job. B．Set fire to somebody.
C．Let somebody down. D．Forced somebody to leave his job.
33．Which of the following sentences is NOT true according to the passage
A．Edison had only 8 hours rest each day because of work.
B．Edison got his education mostly by self-teaching.
C．Edison had his first job in 1869.
D．Edison’s inventions greatly improved the quality of people’s life.
34．What does the passage mainly talk about
A．The function of the electric light. B．Edison and his experiments.
C．The importance of inventions. D．The whole life of Edison.
35．What can we infer from the passage
A．Edison was lazy when he was young.
B．Edison was poor so he needed to work on a train.
C．He had little difficulties in experimenting.
D．Edison was very hard-working.
（B）
Do you know ChatGPT It’s an artificial intelligence (AI) tool. It can answer questions, tell stories and write articles. But it’s very “thirsty”, said a new study from Harvard University.
ChatGPT has “homes” around the world in data centres (数据中心). When it works, the computers in the data centres get very hot. Workers then have to use water to cool them down. Cold water goes into pipes near the computers. The water needs to be very clean. They can’t use seawater because it can eat away the pipes.
When you ask ChatGPT 50 questions, it “drinks” 500 millilitres (ml) of water. Scientists used about 700,000 litres of water to build ChatGPT. The water use is very big. People can make 370 cars with the water.
ChatGPT is just one of the AI tools around the world. You need data centres to do everything on the internet. There are more than 8,000 data centres around the world. The number is still growing.
AI uses a lot of water to “grow”. The world’s water may not be enough. Many people don’t have enough water to drink. But AI technology helps people. Should we rethink how we use AI
36．Which of the following can ChatGPT do
①Answer questions. ②Fly planes. ③Write articles. ④Tell stories.
A．①②③ B．②③④ C．①③④ D．①②④
37．What does the underlined word “them” refer to in Paragraph 2
A．Homes. B．Computers. C．Workers. D．Pipes.
38．If you ask ONE question, how many millilitres of water can ChatGPT “drink”
A．10. B．100. C．50. D．500.
39．What can we learn from Paragraph 4 and Paragraph 5
A．ChatGPT is the only AI tool around the world.
B．The number of data centres is not growing now.
C．AI tools can work in a better way without any water.
D．We may have to “fight” with AI for water in the future.
40．What is the main idea of the article
A．ChatGPT is a good artificial intelligence tool.
B．ChatGPT needs lots of water when it works.
C．ChatGPT helps people do many different things.
D．ChatGPT has “homes” around the world in data centres.
（C）
In 2025, a Chinese tech company DeepSeek surprised the world with its new AI model, DeepSeek-R1. This smart program can solve math problems, write codes (代码), and even chat like humans. Unlike other AIs that need huge costs, R1 was trained with very little money. DeepSeek-R1 learns by practicing repeatedly (反复地). The more it tries, the better it becomes. A teacher in Thailand said, “It helps students learn easier than before.”
The AI is free for schools and small businesses. “Now villages without internet can still use it offline,” said an engineer. However, there are challenges. For example, R1 sometimes mixes up languages like French and Spanish. The team is working hard to improve it. They said, “We hope AI can connect people around the world like bridges.” DeepSeek-R1 shows us that creativity and working together can change the future.
41．What is the main advantage of DeepSeek-R1 compared to other AI models
A．It is only used online.
B．It works faster than humans.
C．It requires (需要) very low training costs.
D．It can speak many kinds of languages perfectly.
42．Who can use DeepSeek-R1 for free according to the text
A．Government. B．Schools and small businesses.
C．Large technology companies. D．Individual users worldwide.
43．What does the underlined word “challenge” mean in the paragraph 2
A．好处 B．挑战
C．幸运 D．创造
44．What is one challenge mentioned about DeepSeek-R1
A．It cannot solve math problems.
B．It refuses to help students learn.
C．It requires expensive equipment.
D．It sometimes confuses (混淆) French and Spanish.
45．What’s the best title of this passage
A．New AI Model DeepSeek - R1
B．Advantages of DeepSeek - R1
C．Challenges of DeepSeek - R1
D．The Creativity of DeepSeek - R1
第二部分 非选择题（满分：60分）
四、词汇应用（本大题共10小题，每小题1分，共10分）
46．Using online dictionaries is very (convenient).
47．Tom (challenge) his friend to a chess game, and finally he won.
48．Though I said nothing, he knew (exact) what I was trying to tell him.
49．The elephant is much (power) than the rabbit. It can easily move big logs with its trunk.
50．An (electron) product like smartphones is very popular among teenagers.
51．My mom reminded me to bring an umbrella with me, but I (彻底；完全) forgot about it.
52．The job of a monitor is to (组织) different kinds of activities for his classmates.
53．In nature, you can find new and interesting things (到处) with your own eyes.
54．Keeping a (积极的) attitude can help you overcome difficulties more easily.
55．I made the (支付) for my new bike yesterday.
五、完成句子（本大题共5小题，每小题2分，共10分）
56．我妈妈每天早上起床比我爸爸早得多。
My mother gets up my father every morning.
57．直到1981年，第一台面向普通大众设计的个人电脑才问世。
It wasn’t until 1981 that was designed for .
58．智能手机的出现开启了数字技术的新时代。
The arrival of smartphones has started .
59．图灵机可以进行各种计算，也可以运行不同的程序。
The Turing machine could do calculations, and it could also .
60．智能道路上的汽车可以互相共享数据以避免事故。
Cars on the smart road can to avoid accidents.
六、短文语法填空（本大题共10小题，每小题1.5分，共15分）
The first machine with a program was designed in Britain by Charles Babbage and his student Ada Lovelace. Charles wanted it 61 (add) up big numbers, but Ada saw more uses and became the first computer 62 (programme).
Later, British scientist Alan Turing 63 (create) the Turing machine, the basic design for computer systems. It could do various calculations and run different programs, laying the 64 (basic) for modern computers.
Early computers, built in England and Germany, were as 65 (big) as a room. Then Ted Hoff invented the microchip, 66 major breakthrough. This made computers and electronic devices faster and smaller.
A US company designed the first PC for the public. 67 experts doubted it, thousands were sold in two years. Later, smartphones arrived—they have computer software, connect to the internet and run apps, starting a new digital era. Words like “Wi-Fi” and “download” are now 68 (wide) used.
Computer technology keeps 69 (develop). Future computers may be tiny, even in clothes. Quantum computers could be the next big breakthrough—much faster and 70 (power) than today’s.
七、材料作文（本大题共25分）
71．请以 “My Digital Life” 为题，写一篇短文。内容包括：
1. 你在数字生活中常做的事情；
2. 数字生活给你带来的好处；
3. 你对数字生活的看法（如存在的问题及应对方式）。
要求：不少于60词，语句通顺，可适当发挥。
/ 让学习更有效 新课备课备考 | 英语学科
/ 让学习更有效 新课备课备考 | 英语学科
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参考答案及试题解析
1．A
【解析】句意：——当你不知道一个单词时，你会怎么做？——我会在字典里查它。
考查动词短语。look看；see看见；watch观看；read阅读。根据“it up in a dictionary”可知，是指查字典，用固定短语look up“查阅”。故选A。
2．B
【解析】句意： 字典对英语学习非常有帮助。
考查形容词辨析。helpless无助的；helpful有帮助的；useless无用的；boring无聊的。根据“Dictionaries are very...for English learning.”可知，字典对学习英语是有帮助的。故选B。
3．B
【解析】句意：家里没有一些牛奶。让我们去买一些吧。
考查不定代词用法。some一些，修饰不可数名词或可数名词复数，常用于肯定句中；any一些，常用于否定句或疑问句中。根据“isn’t”可知，第一句为否定句，需any修饰milk；根据“Let’s go to get...”可知，本句为肯定句，需some修饰。故选B。
4．D
【解析】句意：在玻璃杯中没有牛奶。
考查形容词和冠词。a用在辅音音素开头的单数的可数名词前，表示泛指；an用在元音音素开头的单数的可数名词前，表示泛指；some一些，可以修饰可数名词，也可以修饰不可数名词，常用于肯定句，也可用于表示请求的疑问句；any任何，常用语否定句或疑问句。此句是否定句，milk是不可数名词，应用any。故选D。
5．A
【解析】句意：大卫是新来的，所以我们对他一无所知。
考查代词词义辨析。nothing无事，无物；something某事，某物，常用于肯定句或表示请求或建议的疑问句中；anything某事，某物，常用于疑问句或否定句，用于肯定句时，意为“任何事/物”；everything一切。由前句“David is new here”可知，此句是说对他一无所知，故选A。
6．C
【解析】句意：数学爱好者经常学习数字理论。
考查名词辨析。stories故事；pictures图片；theories理论；songs歌曲。根据“Math lovers often study number”可知，是学习数字理论。故选C。
7．A
【解析】句意：我们可以在自然界中发现许多数字图案。
考查名词辨析。patterns图案，模式；pictures图片；songs歌曲；dances舞蹈。根据“in nature”可知，自然界中有许多数字图案。故选A。
8．A
【解析】句意：π是一个无限小数。
考查形容词辨析。infinite无限的；finite有限的；small小的；large大的。根据“The number π is an...decimal.”及常识可知此处是说π是一个“无限”小数。故选A。
9．C
【解析】句意：——电影《流浪地球》给我们讲述了一个人们如何努力拯救地球的故事。——是的。在电影中，人类选择留在地球上，而不是逃离它。
考查介词短语辨析。as for关于，至于；thanks to由于，多亏；instead of代替，而不是；together with和……一起。根据语境可知，此处是在描述电影中人类的选择，即他们选择留在地球上，而不是逃离。所以应该用instead of来表示“而不是”的意思。故选C。
10．B
【解析】句意：John在他三十多岁的时候开始自力更生。
考查年龄表达法。in his thirty错误表达；in his thirties在他三十多岁时；in the thirty错误表达；in the thirties在三十年代。根据“John began to make a living by himself”可知，此处用in his thirties，表示“在他三十多岁时”。故选B。
11．B
【解析】句意：新政策对当地经济产生了积极的影响。许多小企业开始兴旺起来。
考查动词短语。affect影响(动词)；effect影响(名词)；effort努力；afford负担得起(动词)。根据“has had a positive...”可知，此处需要名词，且表示“影响”，用effect，have a positive effect on表示“对……有积极影响”，故选 B。
12．B
【解析】句意：电子设备使我们的生活方便多了。
考查形容词辨析。electric电的（强调与电直接有关的 ）；electronic电子的（强调电子技术相关的 ）；electrical电气的（常与工程等有关 ）；electricity电（名词 ）。“electronic device”表示“电子设备”，是常用搭配。故选B。
13．B
【解析】句意：这位著名的歌手将亲自来我们城市举办一场音乐会。你不能错过。
考查介词短语辨析。in common共同的；in person亲自；in silence沉默地；in public公开地。根据“The famous singer will come to our city to hold a concert”可知是歌手亲自来举办音乐会。故选B。
14．C
【解析】句意：我在你的桌子上给你留了个口信。上面说你应该尽快给我回电话。
考查名词辨析。news新闻（不可数名词 ）；information信息（不可数名词 ）；message消息、口信（可数名词 ）；comment评论。“leave a message”表示“留口信”，是固定搭配。故选C。
15．A
【解析】句意：在数字时代，网上购物变得极其流行。
考查形容词辨析。digital数字的；physical物理的、身体的；traditional传统的；natural自然的。根据“online shopping has become extremely popular”可知，在数字时代，网上购物变得极其流行。“digital age”表示“数字时代”，故选A。
16．A 17．B 18．B 19．C 20．A 21．B 22．C 23．B 24．A 25．C 26．A 27．B 28．A 29．B 30．C
【导语】本文主要介绍了数字技术的应用好处与存在的问题，指出需明智使用并平衡其与现实生活。
16．句意：一种新型智能拐杖正帮助盲人更安全地生活。
safely安全地；quick快速的；sudden突然的；noisy吵闹的。根据“It can detect objects as soon as the user gets close and warns them of danger”可知，智能拐杖能检测物体并提醒危险，可帮助盲人更安全地生活，故选A。
17．句意：它能在使用者靠近物体时立即检测到，并提醒他们有危险。
talks谈论；warns提醒、警告；says说；speaks讲（语言）。根据“it can detect objects as soon as the user gets close and...them of danger.”可知，检测到危险后会提醒使用者，故选B。
18．句意：它还能提供方向和公交时刻表，让残疾人的户外活动更安全。
harder更难的；safer更安全的；heavier更重的；later更晚的。根据“It can detect objects as soon as the user gets close and warns them of danger. It can also provide directions and bus timetables”可知，智能拐杖的这些功能能让残疾人户外活动更安全，故选B。
19．句意：在教育领域，数字技术正在缩小城乡之间的差距。
increasing增加；stopping停止；bridging弥合、缩小；breaking打破。根据“In India, rural schools with internet connections now have access to online lessons from top schools in big cities”可知，农村学校能获取城市优质课程，说明数字技术在缩小城乡教育差距，故选C。
20．句意：在印度，有互联网连接的农村学校现在可以获取来自大城市顶尖学校的在线课程。 -
access机会、通道；time时间；money钱；place地方。根据“online lessons from top schools in big cities”可知，农村学校有了获取这些课程的途径，“have access to”意为“有使用/获取……的机会”，故选A。
21．句意：这给了偏远地区的学生和城市学生相同的学习机会。
results结果；chances机会；jobs工作；games游戏。根据“rural schools with internet connections now have access to online lessons from top schools in big cities”可知，农村学生能学城市优质课程，拥有了和城市学生一样的学习机会，故选B。
22．句意：消防机器人是数字技术应用的另一个例子。
trouble麻烦；danger危险；use使用、应用；mind思想。根据“These robots can walk, run and climb in dangerous fire environments. They send video information to the control unit, helping firefighters make safe plans”可知，消防机器人是数字技术在实际中应用的体现，“in use”表示“在使用中、在应用中”，故选C。
23．句意：它们向控制单元发送视频信息，帮助消防员制定安全计划。
receive接收；send发送；refuse拒绝；hide隐藏。根据“helping firefighters make safe plans”可知，机器人要把现场视频信息发送给控制单元，消防员才能据此制定计划，故选B。
24．句意：这保护消防员免受不必要的风险。
protects保护；hurts伤害；follows跟随；invites邀请。根据“These robots can walk, run and climb in dangerous fire environments. They send video information to the control unit, helping firefighters make safe plans”可知，机器人代替消防员进入危险环境并提供信息，能保护消防员免受风险，故选A。
25．句意：然而，数字生活也有缺点。
advantages优点；purposes目的；disadvantages缺点；differences不同。根据前文介绍数字技术的好处，以及本句开头“However”表转折可知，此处要讲数字生活的不足，即缺点，故选C。
26．句意：有些人花太多时间在屏幕上，这很容易导致体育锻炼减少。
leads导致；finds找到；gets得到；makes制作、使。根据“Some people spend too much time on screens, which easily...to less physical exercise.”可知，花太多时间在屏幕上会导致锻炼减少，“lead to”意为“导致”，故选A。
27．句意：个人信息也存在被隐藏软件收集的风险。
helped帮助；collected收集；forgotten忘记；returned返回。根据“There are also risks of personal information being...by hidden software.”可知，隐藏软件可能会收集个人信息，存在信息泄露风险，故选B。
28．句意：尽管存在这些问题，数字技术仍然在我们的生活中扮演着重要角色。
taking拿、采取；doing做；having有；making制作。根据“Despite these problems, digital technology is still...a big part in our lives”可知，此处表示“在我们的生活中扮演着重要角色”，take a part in为“扮演……角色”，故选A。
29．句意：明智地使用它，并平衡数字时间和现实生活活动是很重要的。
carelessly粗心地；wisely明智地；quickly快速地；loudly大声地。根据“Despite these problems, digital technology is still taking a big part in our lives”可知，数字技术虽有问题但很重要，所以要明智地使用它，故选B。
30．句意：明智地使用它，并平衡数字时间和现实生活活动是很重要的。
problems问题；technologies技术；activities活动；products产品。根据“It’s important to use it...and balance digital time with real-life...”可知，要平衡花在数字上的时间和现实生活中的活动，故选C。
31．A 32．D 33．C 34．D 35．D
【导语】本文主要讲述了爱迪生的一生。
31．细节理解题。根据“About every two weeks he created something new.”可知爱迪生每两周就会创造一些新的东西。故选A。
32．词义猜测题。根据“Unluckily, his first work experience did not end well.”（不幸的是，他的第一次工作经历并不顺利。）以及“when he accidentally set fire to the floor of the train.”（他不小心把火车的地板点着了。）可知爱迪生被解雇了，故选D。
33．细节理解题。根据“Thomas Edison was born in 1847.”（托马斯·爱迪生生于1847年）以及“When he was 12 years old, he got his first job.”（12岁时，他得到了第一份工作。）可知爱迪生是在1847+12=1859年得到第一份工作，故选C。
34．主旨大意题。根据“Thomas Edison lit up the world with his invention of the electric light. Without him, the world might still be in the dark. ”以及全文可知，本文主要讲述了爱迪生的一生，故选D。
35．推理判断题。根据“He always worked 16 out of every 24 hours. Sometimes his wife had to remind him to sleep and eat.”（他总是每24小时工作16小时。有时他的妻子不得不提醒他睡觉和吃饭。）可推知爱迪生很勤奋，故选D。
36．C 37．B 38．A 39．D 40．B
【导语】本文是一篇说明文。主要介绍了ChatGPT需要消耗大量水资源来运行。
36．细节理解题。根据第一段“It can answer questions, tell stories and write articles.”可知，ChatGPT可以回答问题、讲故事和写文章。故选C。
37．词句猜测题。根据第二段“When it works, the computers in the data centres get very hot. Workers then have to use water to cool them down. ”可知，当它工作时，数据中心的计算机会变得非常热。工人们不得不用水给它们降温。因此，them指代的是数据中心的计算机。故选B。
38．推理判断题。根据第三段“When you ask ChatGPT 50 questions, it ‘drinks’ 500 millilitres (ml) of water.”可知，当你问ChatGPT 50个问题时，它会“喝”500毫升的水。由此可推算，问一个问题，喝水为：500÷50＝10 ml。故选A。
39．推理判断题。根据第四段“There are more than 8,000 data centres around the world. The number is still growing.”和第五段“AI uses a lot of water to ‘grow’. The world’s water may not be enough. Many people don’t have enough water to drink.”可知，未来会有越来越多数据中心，会消耗越来越多水，人们没有足够喝的水。由此可推断，我们不得不与AI“争夺”水源。故选D。
40．主旨大意题。根据“But it’s very ‘thirsty’, said a new study from Harvard University.”以及通读全文可知，文章主要说的是ChatGPT工作时需要大量的水。故选B。
41．C 42．B 43．B 44．D 45．A
【导语】本文主要讲述2025年DeepSeek推出的AI模型DeepSeek-R1成本低、功能多，可免费供学校和小企业离线使用，虽有混淆语言的挑战但团队在改进。
41．细节理解题。根据“Unlike other AIs that need huge costs, R1 was trained with very little money.”可知，与其他AI模型相比，DeepSeek-R1的主要优势是训练成本极低。故选C。
42．细节理解题。根据“The AI is free for schools and small businesses.”可知，学校和小企业可以免费使用DeepSeek-R1。故选B。
43．词句猜测题。根据“For example, R1 sometimes mixes up languages like French and Spanish.”可知，R1有时会混淆法语和西班牙语，这属于存在的问题。由此可推测“challenge”意为“挑战”。故选B。
44．细节理解题。根据“However, there are challenges. For example, R1 sometimes mixes up languages like French and Spanish.”可知，文中提到的DeepSeek-R1的一个挑战是它有时会混淆法语和西班牙语。故选D
45．最佳标题题。根据“a Chinese tech company DeepSeek surprised the world with its new AI model, DeepSeek-R1. ”并通读全文可知，文章主要介绍了中国科技公司DeepSeek推出的新AI模型DeepSeek-R1，包括其功能、优势、存在的挑战等内容。故选A。
46．convenient
【解析】句意：使用在线词典非常方便。convenient“方便的”，形容词作表语。故填convenient。
47．challenged
【解析】句意：汤姆向他的朋友挑战下一盘国际象棋，最后他赢了。根据“and finally he won”可知，句子描述的是过去发生的动作，要用一般过去时。challenge的过去式是challenged。故填challenged。
48．exactly
【解析】句意：虽然我什么也没说，但他确切地知道我想告诉他什么。此处需填exact的副词形式exactly“确切地”来修饰动词knew。故填exactly。
49．more powerful
【解析】句意：大象比兔子强壮得多。它可以用鼻子轻松移动大木头。根据“than”可知，此处需用比较级，power为名词，其形容词形式为powerful；多音节形容词比较级需加more。故填more powerful。
50．electronic
【解析】句意：像智能手机这样的电子产品在青少年中非常流行。electron“电子”。根据“product like smartphones”可知，此处应用形容词作定语，修饰名词product，electronic product“电子产品”。故填electronic。
51．completely
【解析】句意：妈妈提醒我带伞，但我彻底忘记了。completely“完全，彻底”，副词修饰动词“forgot”。故填completely。
52．organize
【解析】句意：班长的职责是为同学们组织各种活动。考查的语法点是动词的用法。根据“The job of a monitor is to”可知，此处需要填入一个动词原形，表示班长的职责。结合括号中的中文“组织”和句子结构，动词“organize”符合句意，且在句子中作表语，说明班长的职责。故填organize。
53．everywhere
【解析】句意：在大自然中，你可以用自己的眼睛到处发现新的有趣的东西。根据括号内的中文可知，这里要填相应的副词everywhere。故填everywhere。
54．positive
【解析】句意：保持一种积极的态度能帮助你更轻松地克服困难。空格处作定语，修饰“attitude”，需用形容词“positive”（积极的）。故填positive。
55．payment
【解析】句意：我昨天付了新自行车的钱。payment“支付”，名词，在句中作宾语。故填payment。
56．much earlier than
【解析】根据中英文对比可知，缺少“比……早得多”；earlier than表示“比……早”，表示程度应在比较级前加much。故填much；earlier；than。
57．the first PC the general public
【解析】根据中英文对照可知，“第一台个人电脑”the first PC；“普通大众”the general public。故填the；first；PC；the；general；public。
58．a new era in digital technology
【解析】由中英文对比可知，缺少“数字技术的新时代”；a new era表示“新时代”；in digital technology表示“（在）数字技术（领域）”。故填a；new；era；in；digital；technology。
59．all kinds of run different programs
【解析】根据中英文对照可知，此处缺“各种”，“运行不同的程序”。all kinds of“各种的”，run“运行”，different programs“不同的程序”。此处位于情态动词could后，谓语用动词原形，故填all；kinds；of；run；different；programs。
60．share data with each other
【解析】中英对照可知，空处意为“互相共享数据”，share…with…“共享”，data“数据”，each other“彼此”，符合语境，can是情态动词，后面接动词原形。故填share；data；with；each；other。
61．to add 62．programmer 63．created 64．basis 65．big 66．a 67．Though/Although 68．widely 69．developing 70．more powerful
【导语】本文主要介绍了电脑的发展历程。
61．句意：查尔斯希望它能把大数字加起来，但阿达看到了更多的用途，成为了第一个计算机程序员。want sb/sth to do sth“想要某人/某物做某事”，故填to add。
62．句意：查尔斯希望它能把大数字加起来，但阿达看到了更多的用途，成为了第一个计算机程序员。根据“Ada saw more uses and became the first computer...”可知，空处填可数名词单数，表明Ada的身份，computer programmer“计算机程序员”，故填programmer。
63．句意：后来，英国科学家阿兰·图灵创造了图灵机，这是计算机系统的基本设计。根据“Later, British scientist Alan Turing”可知，句子是一般过去时，create的过去式是created，故填created。
64．句意：它可以进行各种计算并运行不同的程序，为现代计算机奠定了基础。lay the basis for sth“奠定了某物的基础”，故填basis。
65．句意：早期的电脑，在英国和德国制造，有一个房间那么大。as+形容词/副词原级+as，表示“和……一样……”，故填big。
66．句意：然后Ted Hoff发明了微芯片，这是一个重大突破。breakthrough“突破”，可数名词，此处填冠词a表泛指，故填a。
67．句意：尽管专家对此表示怀疑，但两年内售出了数千台。根据“...experts doubted it, thousands were sold in two years”可知，此句是让步状语从句，though/although“尽管”，故填Thoug/Although。
68．句意：像“Wi-Fi”和“下载”这样的词现在被广泛使用。根据“are now...used”可知，空处填副词修饰动词used，故填widely。
69．句意：计算机技术不断发展。keep doing sth“坚持做某事”，故填developing。
70．句意：量子计算机可能是下一个重大突破——比今天更快、更强大。根据than可知，空处填形容词比较级。power的形容词是powerful“强大的”，比较级是more powerful，故填more powerful。
71．例文
My Digital Life
Digital tools play an important role in my life. I usually study online, watch educational videos, and chat with friends through social media. These activities make my life more convenient and efficient. For example, I can access global knowledge instantly. However, overusing devices may cause eye strain or privacy risks. To avoid wasting time, I set a daily screen time limit. Also, I never share passwords online. In my opinion, digital life is helpful if we use it wisely. Although digital life brings convenience, we must learn to balance it with offline activities.
【解析】[总体分析]
①题材：本文是一篇话题作文；
②时态：以“一般现在时”为主；
③提示：应注意题干给出的要点并适当补充，使文章内容充实。
[写作步骤]
第一步，引入主题，介绍数字生活的重要性；
第二步，具体介绍你在数字生活中常做的事情，以及数字生活带来的好处；
第三步，发表自己的观点，介绍自己如何应对数字生活带来的问题。
[亮点词汇]
①convenient便捷的
②efficient高效的
③ balance平衡
[高分句型]
①To avoid wasting time, I set a daily screen time limit. (动词不定式作目的状语)
②Although digital life brings convenience, we must learn to balance it with offline activities. (Although引导让步状语从句)
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