/ 让学习更有效 新课备课备考 | 英语学科
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2025年冀教版九年级英语上册核心考点精讲精练
Unit 5 Look into Science
核心词汇
1. 科学研究 (Scientific Research):
science / sa ns/ n. 科学
scientific / sa n t f k/ adj. 科学的
scientist / sa nt st/ n. 科学家
research /r s t / n. & v. 研究
experiment / k sper m nt/ n. 实验
discover /d sk v (r)/ v. 发现
discovery /d sk v ri/ n. 发现
invent / n vent/ v. 发明
invention / n ven n/ n. 发明
develop /d vel p/ v. 发展
development /d vel pm nt/ n. 发展
theory / θ ri/ n. 理论
method / meθ d/ n. 方法
2. 实验设备 (Experiment Equipment):
microscope / ma kr sk p/ n. 显微镜
telescope / tel sk p/ n. 望远镜
tube /tju b/ n. 试管;管子
glass /ɡlɑ s/ n. 玻璃;玻璃杯
chemical / kem kl/ n. 化学品 adj. 化学的
liquid / l kw d/ n. 液体
solid / s l d/ n. 固体
gas /ɡ s/ n. 气体
instrument / nstr m nt/ n. 仪器
equipment / kw pm nt/ n. 设备
tool /tu l/ n. 工具
3. 科学探索 (Scientific Exploration):
observe / b z v/ v. 观察
analyze / n la z/ v. 分析
examine / ɡ z m n/ v. 检查
measure / me (r)/ v. 测量
test /test/ n. & v. 测试
prove /pru v/ v. 证明
conclude /k n klu d/ v. 得出结论
result /r z lt/ n. 结果
conclusion /k n klu n/ n. 结论
evidence / ev d ns/ n. 证据
核心短语
look into science 探索科学
scientific research 科学研究
do experiments 做实验
make discoveries 做出发现
develop new technology 开发新技术
invent useful things 发明有用的东西
observe carefully 仔细观察
analyze data 分析数据
draw conclusions 得出结论
test theories 检验理论
prove ideas 证明想法
for example 例如
such as 比如
so far 到目前为止
up to now 直到现在
in recent years 近年来
be used for 被用于
be made of 由...制成
核心句型
1. 描述科学发现 (Describing scientific discoveries)
Many important discoveries have been made through scientific research. 通过科学研究已经做出了许多重要发现。
New technology is being developed to solve environmental problems. 正在开发新技术来解决环境问题。
This theory was proved by numerous experiments. 这个理论被无数实验证明。
2. 谈论实验过程 (Talking about experiment processes)
We need to observe carefully and record the data. 我们需要仔细观察并记录数据。
The experiment shows that this method is effective. 实验表明这个方法是有效的。
After analyzing the results, we can draw a conclusion. 分析结果后,我们可以得出结论。
3. 表达科学观点 (Expressing scientific views)
Scientists believe that more discoveries will be made in this field. 科学家相信在这个领域将会做出更多发现。
Research has shown that this technology is safe to use. 研究表明这项技术使用起来是安全的。
Evidence suggests that the theory is correct. 证据表明这个理论是正确的。
4. 讨论科学意义 (Discussing scientific significance)
What has science brought to our lives 科学给我们的生活带来了什么?
How has technology changed the world 技术如何改变了世界?
Why is scientific research important 为什么科学研究很重要?
语法聚焦
1. 现在完成时的被动语态 (Present Perfect Passive Voice)
表示动作在过去某个时间发生,并且动作的承受者与现在有关系。
结构: have/has been + 过去分词 (P.P.)
用法:
强调动作对现在的影响或结果
不知道或不需要指出动作的执行者
例句:
Many new medicines have been developed recently. (最近开发了许多新药。)
The theory has been proved by many experiments. (这个理论已经被许多实验证明。)
Great progress has been made in space technology. (太空技术已经取得了巨大进步。)
2. 宾语从句 (Object Clause)
在复合句中充当宾语的从句叫做宾语从句。
连接词 that: 在句中只起连接作用,没有实际意义
Scientists say (that) new discoveries are being made every day. (科学家说每天都有新的发现。)
连接词 if/whether: 是否(表示疑问)
I wonder if this theory is correct. (我想知道这个理论是否正确。)
连接代词 what, which, who等:
Do you know what this instrument is used for (你知道这个仪器是做什么用的吗?)
注意事项:
宾语从句要用陈述句语序
主句是现在时,从句可根据实际情况使用各种时态
3. 辨析:discover, invent, find
discover: 发现(原本存在但不为人知的事物)
Scientists discovered a new planet.
invent: 发明(创造出原来不存在的东西)
Edison invented the light bulb.
find: 找到(发现丢失或隐藏的东西)
I found the answer in the book.
1.________ regular exercise is very important, it’s not a good idea to exercise too late.
A.If B.Because C.Although D.Unless
2.There are no buses to the beach. ______ you have a car, it’s difficult to get there.
A.Since B.After C.Unless
3.— Have you got any idea about what we are going to do tomorrow
— Yes, I ________ a tour of the museum. It will be great.
A.hate B.suggest C.warn D.change
4.—Dancing is too difficult for me. So I don’t want to join the dance competition.
—Believe in yourself! In the face of challenges, we should have enough ________.
A.energy B.development C.progress D.confidence
5.Learning to write is learning to think. You don’t know things easily ________ you write them down.
A.unless B.if C.since
6.Give plants water. The crops won’t grow very well ________ it rains soon.
A.unless B.if C.because D.although
7.According to the traffic rule, we mustn’t ride a bike ________ we wear a helmet (头盔) .
A.if B.when C.unless D.because
8.Jenny didn’t go to school today ________ she broke her left leg in the P.E. class.
A.when B.because C.if D.unless
9.Your education will be incomplete ________ you have practical life skills.
A.if B.although C.because D.unless
10.With the rapid ________ of science and technology, robots can do a lot of things for us.
A.method B.development C.experiment
11.找出下列单词中重读音节与其他不同的单词。
A.necessary B.powerful C.general D.adventure
12.Spiders are considered friends to gardeners ________ they eat lots of bugs that attack plants.
A.although B.unless C.because D.until
13.It is surprising that too much ________ may lead to poor decision-making.
A.reason B.method C.answer D.information
14.The Australians have a close ________ with the British. Many have British relatives.
A.understanding B.introduction C.development D.relationship
15.The nurse won’t leave her patients ________ she’s sure they’re all taken good care of.
A.if B.because C.when D.unless
16.She will finish the project in time ________ the workshop is not available.
A.unless B.if C.or D.after
17.Mike is interested in trying new ideas, ________ he has invented many things.
A.and B.but C.or D.unless
18.He didn’t tell his father the ________. That was bad news for his father.
A.truth B.method C.choice
19.—I heard your sister became a guide after she finished school.
—It’s true. She has made a ________ decision because she loves travelling.
A.wise B.useful C.well-known D.general
20.My English teacher is a ________ person. He hardly smiles in class.
A.fantastic B.common C.careful D.serious
21.We should study hard ________ get much knowledge.
A.when B.so that C.unless D.in order to
22.It’s wise of him to wear the red tie. It ________ his shirt well.
A.chooses B.helps C.needs D.matches
23.—Do you like watching movies on your mobile phone
—No, I ________ do that because it makes me uncomfortable.
A.almost B.certainly C.always D.seldom
24.________ you have a map, you will get lost easily in the city.
A.If B.When C.Unless D.Until
25.—I’m afraid that we can’t work out the math problem _________ the teacher helps us.
—That’s true. It’s too difficult.
A.after B.unless C.because D.if
26.Kids can own their favorite hobbies at holidays ________ they are given too much homework.
A.if B.unless C.until
27.—The problem is too difficult to work out. Can you give me some advice
—You can’t solve the problem ________ you work hard enough.
A.if B.since C.unless D.although
28.— Why do you always read poems aloud
— You can’t feel the beauty of poems ________ you read them aloud.
A.since B.if C.although D.unless
29.Jimmy has learned his lesson from the failure and won’t _________ the mistake.
A.correct B.repeat C.realize
30.—You are good at giving speech. Could I know your __________
—Yes, of course. I recorded my speeches when practising and then improved them.
A.course B.choice C.method
31.Zhang Guimei, a role model of the times, has devoted all her time and love to the ▲ of education for poor girls in mountain areas.
A.development B.discussion C.achievement D.attraction
32.Andy should give up smoking ________ he doesn’t care about his health.
A.until B.unless C.if D.or
33.—Lucy, you have made so much progress in English learning. Could you tell me your secrets
—Sure. I remember English words with the help of a new ________.
A.spirit B.advice C.method
34.—Will Jim go climbing with us this Saturday
—_______. It depends on whether he can finish his work.
A.Exactly B.Correctly C.Certainly D.Probably
35.—Is it the ________ answer to the question
—I’m not sure. Let’s go to ask our teacher.
A.useless B.wide C.correct D.free
36.They think the stones can prevent (a) ________ and keep people healthy.
A.illness B.mystery C.calendar D.problem
37.—China’s high-speed railway ________ is leading the world.
—That’s right. It is moving further into the world.
A.population B.environment C.technology D.discovery
38.I can’t believe what you said ________ I see what you do.
A.until B.unless C.if not
39.It’s hard for you to have a better view of the village ________ you reach the top of the hill.
A.after B.if C.unless D.because
40.—Did Sam decide whether to learn English or Japanese
—No. But he told me that he would tell me his ________ soon.
A.purpose B.mystery C.choice D.license
41.You can’t go home ________ your homework ________.
A.unless; finished B.if; finished C.unless; is finished D.if; is finished
42.The teenagers will climb the mountain ________ it rains this weekend.
A.until B.unless C.if D.because
43.My father had so much work to do yesterday, and he didn’t come back ________ I fell asleep.
A.until B.as C.unless D.when
44.—May I go to the cinema with you tonight
—I’m afraid not, ______ you have finished your homework.
A.if B.unless C.when D.since
45.Keep working hard, kids! You’ll surely achieve your dreams ________ you give up halfway.
A.unless B.if C.although D.until
46.Don’t just _______ what your teacher said. You should have your own opinion.
A.expect B.explore C.repeat D.suppose
47.We won’t know whether we can succeed or not ________ we give it a try.
A.if B.when C.after D.unless
48.—Why did you feel so ________ when you met Mary yesterday
— Because I fought with her last week.
A.fantastic B.embarrassed C.funny D.excited
49.Lucy hurried ________ she wouldn’t be late for class.
A.since B.so that C.as if D.unless
50.—The COVID-19 is getting more and more serious in our city.
—Yes. So we should work together to prevent it from _______ widely.
A.spreading B.repeating C.producing D.performing
51.—Could you please tell me how to get to the cinema
—I ________ you’d better take a taxi. It’s far from here.
A.know B.reply C.request D.suggest
52.If you fight hard and value what you have, you will have a good _________ of winning.
A.choice B.decision C.chance D.instruction
53.—What do you think of the restaurant
—Great! The waiters treat people ________. They always serve them with big smiles on their faces.
A.politely B.wisely C.completely D.differently
54.—Our life will be more ________ if 5G technology is used widely.
—Yes, I quite agree with you.
A.unusual B.general C.active D.convenient
55.From his old clothes and broken shoes. I ________ that he lives a hard life.
A.guess B.suggest C.imagine
56.You can’t make progress in math learning ________ you can’t work harder.
A.if B.after C.unless
57.The teenagers will climb the mountain ________ it rains this weekend.
A.unless B.until C.if D.because
58.—Time past cannot come back again.
—Yes. Wasting time is a ________.
A.pressure B.fairness C.choice D.shame
59.Mary wants to lose weight, but she can’t make it ________ she stops eating snacks after every meal.
A.if B.after C.since D.unless
60.Paper cutting is so difficult, which is ________ different from what I expected.
A.seriously B.carefully C.completely D.suddenly
61.You won’t make any progress ________ you work harder.
A.although B.if C.unless D.until
62.—It is impossible to finish the difficult task in such a short time ________ both of us work hard on it.
—No problem.Let’s start!
A.if B.but C.because D.unless
63.To avoid the virus (病毒), we should wash hands more carefully ________ we have meals.
A.so B.before C.because D.unless
64.— Jack, will your family move to Shanghai
— Yes. My parents has made the ________.
A.decision B.object C.problem D.method
65.The sign “FACE MASK REQUIRED” means “You are not allowed to enter ________ you wear a face mask.”
A.when B.unless C.if D.since
66.It’s hard for you to have a better view of the village ________ you reach the top of the hill.
A.as B.if C.unless D.because
67.I didn’t accept his ________, because I have something else to deal with.
A.instruction B.invention
C.introduction D.invitation
68.Tom watched the World Cup ______ 11: 30 last night.
A.when B.unless C.until D.after
69.You will not realize your dream ______ you try your best.
A.if B.unless C.because D.when
70.The bus moves so slowly. You will be late for the plane ________ you take a taxi at once.
A.if B.because C.unless
71.If you want to work out the problem of stress, you need to find out the ________ first.
A.method B.cause C.thought D.suggestion
72.Keep trying, and you’ll surely realize your dream ________ you give up halfway.
A.unless B.if C.when D.until
73.—When will we have the final match
—We’ll have to cancel the game ________ the weather improves.
A.if B.until C.unless D.when
74.If you change the ________ of the tables and the chairs, there will be more space in the office.
A.style B.material C.pattern D.position
75.Ladies and gentlemen, we have arrived in Chengdu. Please ________ seated until our plane fully stops.
A.repeat B.report C.remain D.request
76.________ touching your eyes, nose and mouth before washing your hands.
A.Practice B.Avoid C.Suggest D.Finish
77.You’ll forget the dancing skills easily ________ you practice them often.
A.if B.unless C.because D.when
78.—His answer is wrong. Can you give me a ________ one, Jerry
—Sorry, I’m afraid I can’t.
A.simple B.deep C.perfect D.correct
79.Mike ________ me to go to Shanghai by plane, but I thought it would cost too much.
A.advised B.suggested C.made D.sent
80.Do you know yogurt was a(n) ________ invention When people packed milk with bags, the germs(细菌) reacted with the milk, and yogurt came into being.
A.correct B.accidental C.patient D.strong
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参考答案及试题解析
1.C
【解析】句意:虽然有规律的运动很重要,但锻炼得太晚不是个好主意。
考查连词辨析。If如果;Because因为;Although即使;Unless除非。根据“…regular exercise is very important, it’s not a good idea to exercise too late.”可知,此处前后为让步关系,应用Although引导让步状语从句,故选C。
2.C
【解析】句意:没有去海滩的公共汽车。除非你有车,否则很难去那里。
考查连词辨析。since因为/自从;after在……以后;unless除非。根据“There are no buses to the beach”及语境可知,应是除非有车,否则到那里很难,“you have a car”是“it’s difficult to get there”的否定条件,所以此处用unless引导条件状语从句,故选C。
3.B
【解析】句意:——你知道我们明天要做什么吗?——是的,我建议参观博物馆。那会很棒的。
考查动词辨析。hate讨厌;suggest建议;warn警告;change改变。根据“Have you got any idea about what we are going to do tomorrow ”可知,此处是建议参观博物馆。故选B。
4.D
【解析】句意:——跳舞对我来说太难了。所以我不想参加舞蹈比赛。——相信自己!面对挑战,我们应该有足够的信心。
考查名词辨析。energy能量;development发展;progress进步;confidence信心,自信。根据句中“Believe in yourself! In the face of challenges”可知,此处表示鼓励对方,面对挑战要有“自信”,confidence符合题意。故选D。
5.A
【解析】句意:学习写作就是学习思考。除非你把事情写下来,否则你不容易了解它们。
考查连词辨析。unless除非;if如果;since自从。根据“You don’t know things easily...you write them down.”可知,后句是前句的否定条件,应用unless引导条件状语从句。故选A。
6.A
【解析】句意:给植物浇水。除非马上下雨,否则庄稼长得不好。
考查连词辨析。unless除非;if如果;because因为;although虽然。“it rains soon”是“The crops won’t grow very well”的否定条件,用unless引导条件状语从句,故选A。
7.C
【解析】句意:根据交通规则,我们不戴头盔就不能骑自行车。
考查连词辨析。if如果;when当;unless除非;because因为。分析句子可知,后句是前句的否定条件,用unless引导条件状语从句。故选C。
8.B
【解析】句意:珍妮今天没去上学,因为她在体育课上摔断了左腿。
考查连词辨析。when当……时候;because因为;if如果;unless除非。根据题干可知,前后是因果关系,前果后因,应用because,故选B。
9.D
【解析】句意:除非你有实际的生活技能,否则你的教育是不完整的。
考查连词词义辨析。if如果,引导条件状语从句;although虽然,尽管,引导让步状语从句;because因为,引导原因状语从句;unless除非,如果不,引导条件状语从句。根据句意可知,“受教育完整”的条件是“有实际的生活技能”,if和unless引导条件状语从句。当某个条件为真时,后面的动作或结果会发生,用if引导条件状语从句。当某个条件不成立时,后面的动作或结果才会发生,用unless引导条件状语从句。unless在意义上相当于“if...not...”,选项D符合语境。故选D。
10.B
【解析】句意:随着科学技术的快速发展,机器人可以为我们做很多事情。
考查名词辨析。method方法;development发展;experiment实验。根据“With the rapid... of science and technology”可知,此处指“科学技术的快速发展”。故选B。
11.D
【解析】考查单词的发音。necessary [’nes s ri];powerful [’pa fl];general [’d enr l];adventure[ d’vent (r)]。根据单词的读音,选项D单词的重读音节与其他选项不同。故选D。
12.C
【解析】句意:蜘蛛被认为是园丁的朋友,因为它们吃很多攻击植物的虫子。
考查连词。although虽然;unless除非;because因为;until直到。根据“they eat lots of bugs that attack plants”可知是因为它们吃很多攻击植物的虫子,表因果关系,故选C。
13.D
【解析】句意:令人惊讶的是,过多的信息可能导致糟糕的决策。
考查名词辨析。reason理由;method方法;answer回答;information信息,不可数名词。根据“may lead to poor decision-making”以及空前修饰不可数名词的“much”,可知是指过多的信息可能导致糟糕的决策。故选D。
14.D
【解析】句意:澳大利亚人与英国人关系密切。许多人有英国亲戚。
考查名词词义辨析。understanding理解;introduction介绍;development发展;relationship关系。根据“Many have British relatives.”可知,澳大利亚人与英国人关系密切。故选D。
15.D
【解析】句意:护士不会离开她的病人,除非她确定他们都得到了很好的照顾。
考查连词辨析。if如果;because因为;when在……时候;unless除非。空后“she’s sure they’re all taken good care of”是空前“The nurse won’t leave her patients”的否定条件,表示“除非确定病人得到了很好的照料,否则她不会离开”,所以空处用unless引导条件状语从句,故选D。
16.A
【解析】句意:除非这个工作室不能用,否则她会按时完成这个项目。
考查连词。unless除非;if如果;or或者,否则;after在……之后。unless引导的是条件状语从句,除非工作室不能用,是不能完成工作的条件。故选A。
17.A
【解析】句意:迈克对尝试新的想法感兴趣,而且他已经发明了很多东西。
考查连词词义辨析。and而且,表示并列;but但是,表示转折;or或者,表示选择;unless除非,引导条件状语从句。根据句意,前半句是“迈克对尝试新的想法感兴趣”,后半句“他已经发明了很多东西”,前后两句是并列关系,所以用and连接。故选A。
18.A
【解析】句意:他没有告诉父亲真相。那对他父亲来说是不好的消息。
考查名词辨析。truth事实,真相;method方法;choice选择。根据“That was bad news for his father.”可知,对父亲是不好的消息,所以应是没有告诉真相。故选A。
19.A
【解析】句意:——我听说你妹妹毕业后当了导游。——是真的。她做了一个明智的决定,因为她喜欢旅行。
考查形容词辨析。wise明智的;useful有用的;well-known著名的;general全体的 。根据“because she loves travelling”可知她喜欢旅行,因此毕业后当了导游是一个明智的决定。故选A。
20.D
【解析】句意:我的英语老师是个严肃的人,他在课堂上几乎不笑。
考查形容词辨析。fantastic极好的;common共同的;careful认真的;serious严肃的。根据“He hardly smiles in class.”可知,他在课堂上几乎不笑,由此可知他是严肃的。故选D。
21.D
【解析】句意:为了获得更多的知识,我们应该努力学习。
考查连词辨析。when当……时;so that以便于,后接从句;unless除非;in order to为了,后接动词原形。根据“We shouldstudy hard ... get much knowledge.”可知,努力学习是为了获得更多知识,get是动词原形,故选D。
22.D
【解析】句意:他系那条红领带是明智的。它和他的衬衫很相配。
考查动词辨析。chooses选择;helps帮助;needs需要;matches相配。根据“It’s wise of him to wear the red tie.”可知,红色领带和他的衬衫很配。故选D。
23.D
【解析】句意:——你喜欢在手机上看电影吗? ——不,我很少那样做,因为那样会让我不舒服。
考查副词辨析。almost几乎;certainly当然;always总是;seldom很少。根据“because it makes me uncomfortable.”可知应是很少看,故选D。
24.C
【解析】句意:除非你有地图,否则你在城里很容易迷路。
考查连词。if如果,引导条件状语从句;when当……的时候,引导时间状语从句;unless除非=if...not,引导条件状语从句;until直到。根据“... you have a map, you will get lost easily in the city”可知,此处指除非你有地图,否则容易迷路,用unless表示否定条件,引导条件状语从句。故选C。
25.B
【解析】句意:——如果没有老师帮助我们,我们恐怕解决不了这个数学难题。——没错。它太难了。
考查连词辨析。after在……之后;unless除非,如果不;because因为;if如果。根据“That’s true. It’s too difficult.”可知,数学题太难了,老师不帮忙我们解决不了。故选B。
26.B
【解析】句意:除非孩子们有太多的作业,否则他们可以在假期拥有自己最喜欢的爱好。
考查从属连词辨析。if如果;unless除非,如果不;until直到。根据“Kids can own their favorite hobbies at holidays...”可知,如果作业不多,孩子们就能去做自己喜欢的事,用unless引导状语从句表示否定的条件。故选B。
27.C
【解析】句意:——这道题太难了,做不出来。你能给我一些建议吗?——除非你足够努力,否则你解决不了这个问题。
考查连词辨析。if如果;since自从;unless除非;although虽然。根据“You can’t solve the problem ... you work hard enough.”可知,是指除非你足够努力,否则你无法解决这个问题,用unless引导条件状语从句。故选C。
28.D
【解析】句意:——你为什么总是大声朗读诗歌?——除非你大声朗读,否则你无法感受到诗歌的美。
考查连词辨析。since自从;if如果;although虽然;unless除非。“you read them aloud.”是“You can’t feel the beauty of poems”的否定条件,用unless引导条件状语从句。故选D。
29.B
【解析】句意:吉米已经从这次失败中吸取了教训,不会再犯同样的错误。
考查动词辨析。correct改正;repeat重复;realize实现。根据“Jimmy has learned his lesson from the failure”可知此处是指不再重复错误。故选B。
30.C
【解析】句意:——你擅长演讲。我能知道你的方法吗?——是的,当然。我在练习时录下我的演讲,然后改进它们。
考查名词辨析。course课程;choice选择;method方法。根据“I recorded my speeches when practising and then improved them.”可知上文提到的是演讲的方法。故选C。
31.A
【解析】句意:张桂梅是一个时代的楷模,她把她所有的时间和爱都奉献给了山区贫困女孩的教育发展。
考查名词辨析。development发展;discussion讨论;achievement成就;attraction吸引。根据“the … of education for poor girls in mountain areas.”可知,这里指的是山区贫困女孩教育的发展。故选A。
32.B
【解析】句意:安迪应该放弃吸烟,除非他不在乎自己的健康。
考查unless条件状语从句。until直到……为止;unless除非;if如果;or否则。“he doesn’t care about his health”是“Andy should give up smoking”的否定条件,用unless引导条件状语从句。故选B。
33.C
【解析】句意:——Lucy,你在英语学习上取得了很大的进步。你能告诉我你的秘密吗?——当然。我在一种新方法的帮助下记忆英语单词。
考查名词辨析。spirit精神;advice建议;method方法。根据“I remember English words with the help of a new”可知,此处指的是记忆英语单词的方法,故选C。
34.D
【解析】句意:——吉姆这个星期六会和我们一起去爬山吗?——可能吧。这取决于他是否能完成他的工作。
考查副词辨析。Exactly确切地;Correctly正确地;Certainly当然;Probably大概,或许。根据“It depends on whether he can finish his work”可知,去不去不确定,所以Probably符合语境,故选D。
35.C
【解析】句意:——这是这个问题的正确答案吗?——我不确定。让我们去问我们的老师。
考查形容词辨析。useless无用的;wide宽的;correct正确的;free空闲的。根据“Is it the...answer to the question”可知,是指问题的正确答案,故选C。
36.A
【解析】句意:他们认为这些石头可以预防疾病并保持人们的健康。
考查名词辨析。illness疾病;mystery神秘;calendar日历;problem问题。根据“They think the stones can prevent...and keep people healthy.”可知,prevent sth.“防止某物”,既然能使人保持健康,那就说明能防止疾病。故选A。
37.C
【解析】句意:——中国的高速铁路技术处于世界领先地位。——没错。它正在进一步走向世界。
考查名词词义辨析。population人口;environment环境;technology技术;discovery发现。根据“It is moving further into the world.”可知,此处指high-speed railway technology“高铁技术”。故选C。
38.B
【解析】句意:我不会相信你说的话除非我看到你做的事。
考查连词辨析。until直到;unless除非;if not如果不是,后面不跟从句。根据“I can’t believe what you said…I see what you do.”可知,本句强调条件,是除非自己看到才会相信对方说的话。故选B。
39.C
【解析】句意:除非你到了山顶,否则你很难更好地看到村庄的景色。
考查连词辨析。after在……之后;if如果;unless除非;because因为。“you reach the top of the hill”是“It’s hard for you to have a better view of the village”的否定条件,用unless引导条件状语从句。故选C。
40.C
【解析】句意:——Sam决定学习英语还是日语了吗?——不。但是他告诉我,他不久会告诉我他的选择。
考查名词词义辨析。purpose目的;mystery神秘的事物;choice选择;license许可证。根据上文“decide whether to learn English or Japanese”可知,此处是说Sam的选择。故选C。
41.C
【解析】句意:除非你的作业完成了否则你不能回家。
考查条件状语从句、时态和语态。unless除非,如果不;if如果;finished是一般过去时;is finished是一般现在时的被动语态;根据句意可知,如果你的作业不完成,就不能回家。故第一空填unless。unless(如果不)引导的条件状语从句,主句一般用一般将来时或含有情态动词的句子,从句使用一般现在时。因homework与动词finish之间是被动关系,需用一般现在时的被动语态, 其结构是am/is/are+过去分词。故选C。
42.B
【解析】句意:这些青少年这周末会去爬山,除非下雨。
考查从属连词词义辨析。until直到;unless除非;if如果;because因为。结合选项和“The teenagers will climb the mountain...it rains this weekend.”可知,空格处应填unless,引导条件状语从句,表示除非下雨,否则这些青少年这周末会去爬山。故选B。
43.A
【解析】句意:我爸爸昨天有很多工作要做,直到我睡着了他才回来。
考查连词辨析。until直到;as由于;unless除非;when当……时。根据“didn’t come back”可知考查not...until“直到……才”,在句中指直到我睡着了他才回。故选A。
44.B
【解析】句意:——今晚我可以和你一起去看电影吗?——恐怕不行,除非你做完作业。
考查连词辨析。if 如果;unless 除非;when当……时候;since自……以来。根据“I’m afraid not, ...you have finished your homework.”可知应用unless“除非”,其他选项均不符合句意。故选B。
45.A
【解析】句意:孩子们继续努力吧!除非半途而废,否则你一定会实现你的梦想。
考查从属连词辨析。unless除非;if如果;although虽然,即使;until直到。根据“you give up halfway”可知,除非你半途而废,否则你一定会实现梦想,应用unless引导条件状语从句。故选A。
46.C
【解析】句意:不要仅仅重复老师所说的话。你应该有自己的观点。
考查动词辨析。expect期望;explore探索;repeat重复;suppose认为。根据“You should have your own opinion.”可知,要有主见,不能仅重复老师所说的话。故选C。
47.D
【解析】句意:除非我们试一试,否则我们不知道能否成功。
考查连词辨析。if如果,是否;when当……时;after在……之后;unless除非。根据“We won’t know whether we can succeed or not...we give it a try.”可知,unless符合语境,引导条件状语从句,表示“除非一试,否则不会知道是否能成功”。故选D。
48.B
【解析】句意:——你昨天见到玛丽时为什么感到如此尴尬?——因为我上周和她吵了一架。
考查形容词辨析。fantastic极好的;embarrassed尴尬的;funny滑稽的,有趣的;excited激动的,兴奋的。根据“Because I fought with her last week” 可知,吵架后两人见面应会很尴尬,故选B。
49.B
【解析】句意:露西匆匆忙忙,以免上课迟到。
考查连词辨析。since自从;so that以便;as if好像;unless除非。根据“Lucy hurried ... she wouldn’t be late for class.”可知,露西匆匆忙忙是为了上课不迟到,用so that引导目的状语从句。故选B。
50.A
【解析】句意:——新冠病毒疾病在我们的城市变得越来越严重。——是的。我们应该齐心协力阻止它广泛传播。
考查动词词义辨析。spreading传播;repeating重复;producing生产;performing表演。根据“The COVID-19 is getting more and more serious in our city”可知,这里表示阻止病毒传播。故选A。
51.D
【解析】句意:——你能告诉我去电影院怎么走吗?——我建议你最好乘出租车。它离这里很远。
考查动词辨析。know知道;reply回复;request请求;suggest建议。根据问句中“Could you please tell me…”,可知提问者在寻求帮助,故回答者给予了“建议”。故选D。
52.C
【解析】句意:如果你努力拼搏,珍惜你所拥有的,你将有很大的机会获胜。
考查名词辨析。choice选择;decision决定;chance机会;instruction说明。根据“If you fight hard and value what you have”可知,如果你努力拼搏,珍惜你所拥有的,将有很大的机会获胜。故选C。
53.A
【解析】句意:——你觉得这家餐馆怎么样?——太好了!服务员待人彬彬有礼。他们总是满脸笑容地招待他们。
考查副词辨析。politely有礼貌地;wisely明智地;completely完全地;differently不同地。根据“They always serve them with big smiles on their faces.”可知,服务员总是满脸笑容地招待客人,他们待人彬彬有礼,此处应填副词politely“有礼貌地”来修饰动词treat。故选A。
54.D
【解析】句意:——如果5G技术得到广泛应用,我们的生活将更加便利。——是的,我非常同意。
考查形容词辨析。unusual不同寻常的;general普遍的;active积极的;convenient便利的。根据条件状语从句“if 5G technology is used widely”可知,如果5G技术得到广泛应用,我们的生活将更加便利。故选D。
55.A
【解析】句意:从他的旧衣服和破鞋子里。我猜他过着艰苦的生活。
考查动词辨析。guess猜;suggest建议;imagine想象。根据“From...I...that he lives...”可知,此处是从……猜测……。故选A。
56.A
【解析】句意:如果你不更加努力,你就不可能在数学学习上取得进步。
考查连词辨析。if如果;after在……之后;unless除非。分析句子结构可知,句子为if引导的条件状语从句,如果不刻苦努力,就会在数学学习上取得进步,其中“you can’t work harder”是条件状语从句,“You can’t make progress in math learning”是主句。故选A。
57.A
【解析】句意:这周末青少年们将要去爬山,除非周末下雨。
考查连词辨析。unless除非;until直到;if如果;because因为。根据“The teenagers will climb the mountain…it rains this weekend”可知,如果周末不下雨,青少年们要去爬山,用unless引导条件状语从句。故选A。
58.D
【解析】句意:——过去的时光再也回不来了。——是的。浪费时间是一种耻辱。
考查名词辨析。pressure压力;fairness公平;choice选择;shame耻辱,羞愧。根据“Wasting time is a...”可知,浪费时间是一种耻辱。故选D。
59.D
【解析】句意:玛丽想要减肥,但是除非她每顿饭后不吃零食,否则她是不可能做到的。
考查连词辨析。if如果;after在……之后;since既然,自从;unless除非。根据“but she can’t make it...she stops eating snacks after every meal.”可知,除非她每顿饭后不吃零食,否则她是不可能做到的,应用unless引导的条件状语从句。故选D。
60.C
【解析】句意:剪纸很难,这与我的预期完全不同。
考查副词词义辨析。seriously严肃地;carefully仔细地;completely完全地,彻底地;suddenly突然。根据“Paper cutting is so difficult”可知,剪纸太难了,所以可以推测,这和我的预期不一样。“完全地”符合语境。故选C。
61.C
【解析】句意:除非你更努力,否则你不会有任何进步。
考查连词辨析。although虽然;if如果;unless除非;until直到。根据句意可知,空后的“you work harder”是空前的“You won’t make any progress”的否定条件,所以用unless引导条件状语从句。故选C。
62.D
【解析】句意:——除非我们双方都努力,否则不可能在这么短的时间内完成这项艰巨的任务。——没问题。我们开始吧!
考查连词词义辨析。if如果;but但是;because因为;unless除非。根据下文“No problem. Let’s start!”并结合“It is impossible to finish the difficult task in such a short time...both of us work hard on it.”可知,此处表示“除非我们双方都努力,否则不可能在这么短的时间内完成这项艰巨的任务”,因此unless符合题意。故选D。
63.B
【解析】句意:为了避免感染病毒,我们在吃饭前应该更仔细地洗手。
考查连词辨析。so所以;before在……之前;because因为;unless除非。根据“To avoid the virus, we should wash hands more carefully…we have meals.”可知,此处指的是吃饭前应该更仔细地洗手,应用连词before“在……之前”。故选B。
64.A
【解析】句意:——杰克,你的家人会搬到上海吗?——是的。我父母已经做了决定。
考查名词辨析。decision决定;object目标;problem问题;method方法。根据“will your family move to Shanghai ”以及回答“Yes. My parents has made the…”可知,此处表示我的父母已经做了搬到上海这个决定。故选A。
65.B
【解析】句意:“需要戴口罩”的标志意味着“除非戴口罩,否则不得进入。”
考查从属连词辨析。when当……的时候,引导时间状语从句;unless除非,引导条件状语从句; if如果, 引导条件状语从句;since自从……以来,引导时间状语从句。根据空前的“You are not allowed to enter”和空后的“you wear a face mask”的句意可知,此处表示的是除非戴口罩,否则不得进入。故选B。
66.C
【解析】句意:除非你到了山顶,否则你很难更好地看到村庄的景色。
考查连词辨析。as因为;if如果;unless除非;because因为。根据“It’s hard for you to have a better view of the village…you reach the top of the hill”可知,“you reach the top of the hill”是“It’s hard for you to have a better view of the village”的否定条件,用unless“除非”引导条件状语从句。故选C。
67.D
【解析】句意:我没有接受他的邀请,因为我还有别的事要处理。
考查名词。instruction说明;invention发明;introduction介绍;invitation邀请。结合“because I have something else to deal with.”可知,只有“邀请”符合题意。故选D。
68.C
【解析】句意:昨晚Tom观看世界杯一直到11: 30。
考查连词。when当……时候;unless除非;until直到;after在……之后。根据“11: 30 last night.”可知,昨晚Tom一直看到11: 30。故选C。
69.B
【解析】句意:如果你不尽了最大的努力,你就不会实现你的梦想。
考查连词辨析。if如果;unless如果不;because因为;when当……。由“You will not realize your dream...you try your best.”可知,此处表示“如果尽最大努力,就不能……”,应用unless引导条件状语从句,故选B。
70.C
【解析】句意:公共汽车开得太慢了。除非你马上乘出租车,否则你就赶不上飞机了。
考查从属连词辨析。if如果;because因为;unless除非。分析主从句的关系可知,从句“you take a taxi at once.”是主句“You will be late for the plane”的否定条件,应用unless引导条件状语从句,意为“除非”。故选C。
71.B
【解析】句意:如果你想解决压力问题,你需要先找出原因。
考查名词辨析。method方法;cause原因;thought想法;suggestion建议. 根据前句句意“如果你想解决压力问题”可推测后句为“你需要先找出原因”。其它选项语意不通。故选B。
72.A
【解析】句意:继续努力,除非你半途而废,否则你一定会实现你的梦想。
考查状语从句连接词。unless除非,引导条件状语从句;if如果,引导条件状语从句;when当……时候,引导时间状语从句;until直到……为止,引导时间状语从句。根据空格前“you’ll surely realize your dream”,意为“你一定会实现你的梦想”和空格后“you give up halfway”,意为“你半途而废”可知,unless表示“除非”的意思符合。故选A。
73.C
【解析】句意:——我们什么时候举行决赛?——除非天气好转,否则我们将不得不取消比赛。
考查从属连词辨析。if如果;until直到;unless除非;when当……时。“the weather improves”是“We’ll have to cancel the game”的否定条件,用unless引导条件状语从句。故选C。
74.D
【解析】句意:如果你改变一下桌椅的位置,办公室里就会有更大的空间。
考查名词辨析。style风格;material材料;pattern图案;position位置。根据“there will be more space in the office”可知,前半句句意应该是“如果你改变桌子和椅子的位置”。故选D。
75.C
【解析】句意:女士们,先生们,我们已经到达成都。飞机完全停稳前,请不要离开座位。
考查动词辨析。repeat重复;report报道;remain保持,留在;request要求。根据“until our plane fully stops.”可知,是指留在座位不动,直到飞机停稳。故选C。
76.B
【解析】句意:洗手前避免触摸眼睛、鼻子和嘴巴。
考查动词辨析。practice练习;avoid避免;suggest建议;finish结束。根据“... touching your eyes, nose and mouth before washing your hands.”可知,是洗手前避免触摸眼睛、鼻子和嘴巴。avoid doing sth“避免做某事”。故选B。
77.B
【解析】句意:除非你经常练习舞蹈技巧,否则你会容易忘记它们。
考查连词辨析。if如果;unless除非;because因为;when当……时。空格前后两句是条件关系,表示“除非经常练习,否则会忘记”,应用unless引导条件状语从句,故选B。
78.D
【解析】句意:——他的回答是错误的。杰里,你能给我一个正确的答案吗?——对不起,恐怕我不能。
考查形容词辨析。simple简单的;deep深的;perfect完美的;correct正确的。根据“His answer is wrong. Can you give me a...one”可知他的答案是错误的,所以让他给一个正确的答案。故选D。
79.A
【解析】句意:Mike建议我坐飞机去上海,但是我认为花费太多了。
考查动词。advised建议;suggested建议;made制作;sent发送。根据“Mike ... me to go to Shanghai by plane, but I thought it would cost too much.”可知,此处是建议做某事,对应的短语有advise sb to do或者suggest doing,结合题干可知,此处应用advise。故选A。
80.B
【解析】句意:你知道酸奶是一个偶然的发明吗?当人们用袋子包装牛奶时,细菌与牛奶发生反应,酸奶就产生了。
考查形容词辨析。correct正确的;accidental意外的,偶然的;patient耐心的;strong强壮的。根据“When people packed milk with bags, the germs(细菌) reacted with the milk, and yogurt came into being.”可知,酸奶是在意外情况下产生的,故选B。
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