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Unit 8第2课时Reading and critical thinking课后练习
一、根据句意及首字母提示完成单词。
1. You can t______ the screen of your phone to start the smart car.
2. Drivers should slow down to a______ traffic accidents.
3. Smart cars have many new f______ to keep safe on the road.
4. Self-driving cars already e______ in our daily life now.
5. A w______ person always thinks twice before making a choice.
二、用方框中短语的适当形式填空。
pick up fall asleep take control of avoid send messages
1. The car system never ________ while working.
2. The computer program can ________ the whole self-driving car.
3. The smart car can ________ passengers on the way to school.
4. Drivers must ________ dangerous cars and people on the street.
5. It’s dangerous for drivers to ________ when they are driving.
三、单项选择。
( )1. You just need to ______ an app, and the driverless car will come.
A. tap B. take C. touch
( )2. The self-driving car never ______ tired on long trips.
A. get B. gets C. got
( )3. We are still ______ years away from fully self-driving society.
A. several B. much C. a little
( )4. Many companies are adding new features ______ their smart cars.
A. for B. to C. with
( )5. These 100 cars can drive ______ without human control.
A. themselves B. them C. their
( )6. The cars use sensors and programs ______ safely.
A. drive B. to drive C. driving
( )7. Self-driving cars may take away jobs ______ some drivers.
A. off B. from C. out
( )8. Hackers may take control ______ the smart cars.
A. of B. on C. in
( )9. Some problems of self-driving cars need ______.
A. solve B. to solve C. to be solved
( )10. We should think about ______ we should accept the new technology.
A. whether B. if C. that
18.
19. 四、完形填空
四、完形填空。
阅读短文，从A、B、C三个选项中选出最佳答案。
Self-driving cars are new technology in modern life. You can 1.______ your phone app and let a car 2.______ you up. The smart car will never fall asleep or send messages, so it is much 3.______.
Now self-driving cars already 4.______, but they cannot go everywhere alone. They still need human drivers to 5.______ the car when danger comes. Car companies keep adding new 6.______ to make cars safer and smarter.
However, new technology brings worries. It may take jobs 7.______ taxi and truck drivers. People are also afraid that hackers may 8.______ the cars and cause accidents.
All in all, self-driving cars have advantages and problems. We need to 9.______ all the problems first and make a 10.______ decision.
( )1. A. tap B. take C. pick
( )2. A. wake B. pick C. put
( )3. A. safe B. safer C. safest
( )4. A. exist B. appear C. happen
( )5. A. take care B. take control of C. take part in
( )6. A. features B. rules C. habits
( )7. A. to B. from C. for
( )8. A. control B. invent C. produce
( )9. A. solve B. answer C. reply
( )10. A. wise B. silly C. strict
五、短文选词填空。
阅读短文，从方框中选择适当的词并用其正确形式填空，每词限用一次。
wise, exist, feature, avoid, convenient
Self-driving cars are popular new technology and they already 1.______ in our daily life. They have many useful 2.pared with traditional cars, they are safer and more 3.______. They can help drivers 4.______ traffic accidents and traffic jams. We need to be 5.______ when we use this new technology and solve its problems properly.
六、按要求写句子。
1. Self-driving cars are very safe.（改为感叹句）
______ ______ self-driving cars are!
2. The car can pick up students on the way.（改为一般疑问句）
______ the car ______ up students on the way
3. Human drivers may fall asleep. Self-driving cars never do.（合并句子）
Self-driving cars never fall asleep, ______ ______ human drivers.
4. We need to solve some problems.（改为被动句）
Some problems need ______ ______ ______.
5. Will people accept this new technology （改为宾语从句）
We wonder ______ people will accept this new technology.
七、根据汉语提示完成句子。
1. 自动驾驶汽车永远不会疲劳或打瞌睡。
Self-driving cars never get tired or ______ ______.
2. 我们可以点击手机软件呼叫车辆。
We can ______ an app on the phone to call a car.
3. 智能汽车可以避开路上的危险。
Smart cars can ______ dangers on the road.
4. 我们需要对新技术做出明智的选择。
We need to make a ______ ______ about new technology.
5. 黑客可能会控制自动驾驶车辆。
Hackers may ______ ______ ______ self-driving cars.
八、阅读理解，判断正误 T/F。
Self-driving cars are becoming popular these days. They are very convenient. People only need to tap an app, and the car will come by itself. Unlike human drivers, smart cars never fall asleep or send messages while driving, so they are safer.
However, self-driving cars are not perfect now. They already exist in our life, but human control is still necessary. Some people worry that these cars will take away drivers’ jobs. Some others worry about hacker problems.
In fact, new technology always has advantages and problems. We should solve the problems and make wise decisions.
( )1. People can start a self-driving car by tapping an app.
( )2. Self-driving cars may fall asleep when driving.
( )3. Fully self-driving cars are everywhere now.
( )4. Some people worry about job problems and hacker problems.
( )5. The writer thinks we should face the problems of new technology.
九、阅读理解，选择最佳答案。
Now many car companies are making smarter cars. They add many new features such as accident avoidance and self-parking. Self-driving cars use sensors and computer programs to drive. They can communicate with other smart cars to avoid traffic jams.
Self-driving cars are good for the environment. One car can pick up several students or workers, so there will be fewer cars on the road.
But there are still problems. The new technology may make some drivers lose their jobs. Hackers may bring danger to self-driving cars. Before we widely use self-driving cars, we need to fix all these problems.
( )1. What do self-driving cars use to drive safely
A. Keys and maps B. Sensors and programs C. Mobile phones
( )2. What new features do companies add to cars
A. accident avoidance B. faster speed C. bright lights
( )3. Why are self-driving cars good for environment
A. They run very fast. B. They reduce cars on roads. C. They use no energy.
( )4. What is one problem of self-driving cars
A. They are too slow. B. They may make drivers lose jobs. C. They are hard to use.
( )5. What does the writer advise us to do
A. Stop using smart cars. B. Solve the problems first.
C. Buy self-driving cars at once.
十、书面表达
假如你是自动驾驶汽车公司的宣传员，请你写一篇短文介绍自动驾驶汽车，向人们推荐这款新技术。
内容包括：
1. 自动驾驶汽车的优点（安全、便捷、智能）；
2. 目前存在的小问题及人们的担忧；
3. 你对这项技术的看法。
要求：80词左右，语句通顺，用上本单元所学词汇与句型。
_______________________________________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
参考答案
一、根据句意及首字母提示完成单词
1. tap 解析：句意为“你可以点击手机屏幕启动智能汽车”，tap 动词，意为“轻敲、点击”，情态动词 can 后接动词原形。
2. avoid 解析：句意为“司机应减速以避免交通事故”，avoid 动词，意为“避免”，不定式表目的，用动词原形。
3. features 解析：句意为“智能汽车有许多保障道路安全的新功能”，feature 可数名词，意为“功能、特点”，many 后接可数名词复数形式。
4.exist 解析：句意为“自动驾驶汽车如今已经存在于我们的日常生活中”，exist 动词，意为“存在”，already 提示一般现在时，主语为复数，用原形。
5. wise 解析：句意为“智者三思而后行”，wise 形容词，意为“明智的”，修饰名词 person。
二、用方框中短语的适当形式填空
1. never falls asleep 解析：主语 the car system 为单数，一般现在时，谓语动词用第三人称单数形式，fall asleep 意为“打瞌睡、入睡”。
2. take control of 解析：情态动词 can 后接动词原形，take control of 为固定搭配，意为“控制、掌控”。
3. pick up 解析：情态动词 can 后接动词原形，pick up 固定短语，意为“搭载、接送”。
4. avoid 解析：情态动词 must 后接动词原形，avoid 意为“避开、躲避”，符合语境。
5. send messages 解析：固定句型 It’s dangerous to do sth.（做某事很危险），用动词原形短语，send messages 意为“发信息”。
三、单项选择
1. A 解析：tap an app 为固定搭配，意为“点击软件”；take 拿走，touch 触摸，均不符合语境。
2. B 解析：主语 the self-driving car 为单数，一般现在时，谓语动词用第三人称单数 gets。
3. A 解析：several 可修饰可数名词复数；much、a little 只能修饰不可数名词，years 为可数名词复数。
4. B 解析：固定搭配 add...to...，意为“把……添加到……”。
5. A 解析：drive oneself 意为“自动驾驶”，反身代词 themselves 指代 cars。
6. B 解析：固定结构 use sth. to do sth.，意为“用某物做某事”，不定式作目的状语。
7. B 解析：固定搭配 take away sth. from sb.，意为“从某人手中夺走某物”。
8. A 解析：固定搭配 take control of，意为“控制、掌控”。
9. C 解析：need to be done = need doing，意为“某事需要被做”，表被动含义。
10. A 解析：介词后只能用 whether 引导宾语从句，不能用 if。
四、完形填空
1. A 解析：tap the phone app 点击手机软件，贴合全文智能汽车操作语境。
2. B 解析：固定搭配 pick up sb. 接送某人。
3. B 解析：much 后接形容词比较级，safer 更安全的。
4. A 解析：exist 存在，句意：自动驾驶汽车如今已经问世存在。
5. B 解析：take control of 控制，指危险情况下人类需要掌控车辆。
6. A 解析：new features 新功能，车企不断添加新功能优化车辆。
7. B 解析：固定搭配 take jobs from sb. 夺走某人的工作。
8. A 解析：control the cars 控制车辆，指黑客的恶意操作。
9. A 解析：solve problems 为固定搭配，意为“解决问题”。
10. A 解析：make a wise decision 做出明智的决定，固定搭配。
五、短文选词填空
1. exist 解析：主语为复数，一般现在时，用动词原形，exist in life 存在于生活中。
2. features 解析：many 后接可数名词复数，features 功能、特点。
3. convenient 解析：and 连接并列形容词，convenient 便捷的，与 safer 对应。
4. avoid 解析：固定搭配 help sb. (to) do sth.，avoid accidents 避免事故。
5. wise 解析：be 动词后接形容词作表语，wise 明智的，贴合语境。
六、按要求写句子
1. How safe 解析：how 引导的感叹句结构：How + 形容词/副词 + 主语 + 谓语！
2. Can; pick 解析：含情态动词 can 的句子变一般疑问句，直接将 can 提前，动词用原形。
3. unlike 解析：unlike 介词，意为“不像”，合并两句句意：自动驾驶汽车从不打瞌睡，不像人类司机。
4. to be solved 解析：need to be done 表被动，意为“需要被解决”。
5. whether 解析：宾语从句，表“是否”，可通用 if/whether，此处规范用 whether。
七、根据汉语提示完成句子
1. fall asleep 解析：fall asleep 固定短语“打瞌睡、入睡”，与 get tired 并列，用原形。
2. tap 解析：情态动词 can 后接动词原形，tap 点击。
3. avoid 解析：情态动词 can 后接动词原形，avoid 避开、躲避。
4. wise decision 解析：make a wise decision 固定搭配，做出明智的决定。
5. take control of 解析：情态动词 may 后接动词原形短语，take control of 控制。
八、阅读理解，判断正误 T/F
1. T 解析：根据原文“People only need to tap an app, and the car will come by itself.”可知表述正确。
2. F 解析：原文明确提到“smart cars never fall asleep”，与题干表述相悖。
3. F 解析：原文说明自动驾驶汽车仍需要人工操控，尚未普及，并非随处可见。
4. T 解析：根据“Some people worry that these cars will take away drivers’ jobs. Some others worry about hacker problems.”可知表述正确。
5. T 解析：文章最后表明我们应解决新技术的问题，直面其不足，表述正确。
九、阅读理解，选择最佳答案
1. B 解析：由原文“Self-driving cars use sensors and computer programs to drive.”可知答案。
2. A 解析：根据“They add many new features such as accident avoidance and self-parking.”可知选A。
3. B 解析：由“One car can pick up several students or workers, so there will be fewer cars on the road.”可知减少路面车辆，保护环境。
4. B 解析：原文提到“The new technology may make some drivers lose their jobs.”，是自动驾驶汽车的现存问题。
5. B 解析：根据“Before we widely use self-driving cars, we need to fix all these problems.”可知作者建议先解决问题。
十、书面表达
参考范文：
Self-driving cars are a great new technology in our life. They have many advantages. First, they are much safer than traditional cars, for they never get tired or fall asleep while driving. Second, they are very convenient. We only need to tap an app to call a car to pick us up.
However, every coin has two sides. Some people worry that it will take away drivers’ jobs. Also, hackers may take control of the cars and cause danger.
In my opinion, self-driving cars will bring a better future. We just need to solve its problems and make wise decisions to use it well.（86词）
亮点解析：1. 完整覆盖题干三点要求，结构清晰，总分总布局；2. 活用本单元核心词汇：tap、pick up、take control of、wise、fall asleep 等；3. 使用比较级、状语从句、固定谚语，句式丰富，符合八年级写作要求。
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