资源简介

中小学教育资源及组卷应用平台
Unit 7 Invention and Innovation知识清单
01 Word and Expressions
benefit['benifit]v.有益于 besides[bi'saidz]prep.除了
customer['k st m (r)]n.顾客 delivery[di'liv ri]n.递送
drone[dr un]n.无人机 feature['fi:t (r)]n.特点
function['f k n]n.作用 guarantee[ g r n'ti:]n.保修单；保证
innovation[ in 'vei n]n.创新；新事物 introduce[ intr 'dju:s]v.引进；介绍
operate[' p reit]v.操作 pest[pest]n.害虫
prefer[pri'f :(r)]v.更喜欢 previously['pri:vi sli]adv.先前她
recommend[]v.推荐 robot['r ub t]n.机器人
secure[si'kju (r)]adj.严密保护的 smart[smɑ:t]adj.智能的：机智的
software['s ftw ]n.软件 special['spe l]adj.特别的
spray[sprei]v.喷（液体） surround[s 'raund]v.围绕
theater['θi t ]n.电影院；剧场 video['vidi u]n.录像
virtual['v :t u l]adj（计算机仿真）虚拟的 warn[w :n]v.警告；提醒
be doubtful about 对…感到怀疑 in a way 在某种程度上
in the beginning 开始；起初 Internet of Things（IoT）物联网
turn on/off 开（关）灯
02 Listening and Speaking
At the Science and Technology Expo, one guest is interested in the use of drones and comes to
the receptionist for more information.
Receptionist: Good afternoon, Sir! What can I do for you
Guest: Good afternoon. I want to pick a drone that can help me on the farm.
Receptionist:What kind of drone are you interested in
Guest: I’m still not sure. The type with high quality and reasonable price, I guess. What do
you recommend
Receptionist: How about this one It’s the latest product and is well received by customers for
good performance and reasonable price.
Receptionist: It can help farmers check the growth of crops, plant seeds and spray to kill pests.
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Guest: I see. Can you tell me more about it
译文:
在科技博览会，一位顾客对无人机的应用感兴趣，于是向接待员咨询更多相关信息。
接待员：下午好，先生！我可以为您做什么？
顾客：下午好。我想选一款能够在农场使用的无人机。
接待员：您对哪款无人机感兴趣？
顾客：我还不确定。我想应该是质量好、价格合理的那种。你能给我些建议吗？
接待员：这款怎么样？这是最新产品，因为性能良好和价格合理受到顾客的欢迎。顾客：
它有什么功能？
接待员：它可以帮助农民检查作物的生长、播种和喷洒杀虫剂。
顾客：我明白了。你可以再介绍一下它的其他功能吗？
接待员：当然可以。无人机还可以用于拍照、送货、庆典灯光表演等。我们的新产品有
两年的保修期。
顾客：哇，听起来不错。它容易操作吗？
接待员：是的，我们为您准备了培训视频。请这边走。
03 Reading andWriting
Technological Innovations Are Changing Our Lives
Believe it or not, technology has left a mark on our lives. Previously, you had to go out to get
food, and now you can order online and get it delivered to your doorsteps. In the beginning,
people were doubtful about spending money on a product without seeing it face to face, but
now more than 90% of them prefer online shopping.
Every person is surrounded by technology in a way. A typical example is Internet of Things
(IoT). It introduces the features of smart homes where you can turn lights on and off through
your smart phone. Similarly, it allows you to lock the doors of your entire house by making a
few clicks. Hence, besides making lives easier, it is promoting a secure environment at home.
It is amazing to think that we managed to go from the big landline phones to small wireless
computers in only a few decades. Now, you can check the web, make calls, watch videos, and
even work on your smart phone.
Technological innovations have truly changed our lives in so many ways. They are benefiting
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almost every industry while changing the way things work. And, of course, innovation has not
stopped. You will surely welcome bigger and better innovations sooner or later. After all, the
future is all about robots, smart homes and self-driving cars.
译文:
科技创新正在改变我们的生活
信不信由你，科技已经在我们的生活中留下了印记。以前，你必须走出家门才能买到食
物，现在你可以在网上订购并要求送货上门。一开始，人们对看不见产品就掏钱购买持
怀疑态度，但现在超过 90％的人更喜欢网上购物。
在某种程度上，每个人都被科技包围着。一个典型的例子是物联网(IoT)。它引人了智能
家居的特点，你可以通过智能手机打开和关闭灯光。它也允许你通过点几下手机就能锁
上整个房子的门，因此，除了让生活更轻松之外，它还提升了住宅的安全性。
令人惊讶的是，我们在短短几十年的时间里就成功地从大型固定电话发展到小型无线计
算机。现在，你可以用手机上网、打电话、使用各种应用程序，甚至在手机上工作。
科技创新已经在如此多的方面改变了我们的生活。它们在改变事物运行方式的同时，几
乎使所有行业受益。当然，创新并未停止，你将迟早迎来更大的变革、更好的创新。毕
竟，在未来世界，机器人、智能家居和自动驾驶汽车将无处不在。
04 Culture understanding
Great Inventions Change the World
There have been many great inventions that change the way we live and allow us to do things
we have never dreamed of. The first great invention was the wheel. This invention made it
easier to carry heavy things and to travel long distances. The four great inventions of ancient
China greatly promoted the development of our economy, politics and culture at that time
and fundamentally advanced world civilization as well.
In the 19th century, many great inventions were made. Among them were the camera and the
light bulb. There were more great inventions in the early 20th century, such as the plane, and
the movie with sound . Nylon came out in the 1930s and changed the kind of clothes
people wear.
Starting from the second half of the 20th century, man began looking for ways to go into space.
Many countries, including the United States and China, have made their steps into space, too.
21世纪教育网(www.21cnjy.com)
中小学教育资源及组卷应用平台
促进 根本地 有声电影 尼龙
译文:
伟大的发明改变世界
许多伟大的发明改变了我们的生活方式，甚至说我们能够完成以前根本想不到的事情。
第一项伟大的发明是轮子，这项发明使人们更容易携带重物和长途旅行。中国古代的四
大发明极大地促进了当时中国在经济、政治和文化上的发展，并且从根本上推进了世界
文明。
19世纪有许多伟大的发明，其中包括照相机和灯泡。20世纪初有更多的伟大发明，如飞
机、有声电影。尼龙于 20世纪 30年代问世，人们的衣服种类也随之改变。
从 21世纪下半叶起，人类开始寻找进入太空的方法。很多国家，包括美国和中国，也开
始探索太空。
05 Grammar Focus
本单元主要考查的语法点是：并列句
含有两个或两个以上独立分句的句子叫并列句。这些独立分句处于平等的、互不依从的
并列地位。英语并列句不能只用逗号隔开（较短的句子例外），要用并列连词连接，连
词前可用或不用逗号。
1.并列句的基本形式：简单句+并列连词+简单句
I like apples and Jim likes strawberries.
我喜欢苹果，而吉姆喜欢草莓。
You'd better put on your coat, or you’ll have a bad cold in such a cold day.
在这样寒冷的天气，你最好穿上你的外套，否则的话你会得重感 冒。
2.并列连词
①并列/递进关系
这类并列句表示两个并列概念，其连接词有 and，not only...but also...，neither...nor...，
both...and...等，and所连接的前后分句表示并列关系、先后关系或递进关系。前后分句的
时态往往保持一致。
I’m a doctor and she is a nurse.
我是医生，她是护士。（表并列关系）
I pulled the trigger and the gun went off.
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我一扣扳机，枪就响了。（表先后关系）
②选择关系
这类并列句表示在两者之间选择一个，常用的连接词有 or（或 者），not...but..（. 不是……
而是……）， either...or...（要么……要 么……）等，前后分句的时态往往保持一致。
The children can go with us, or they can stay at home.（表选择关系） 孩子们可以和我们一
起去，或者他们也可以待在家里。
③转折、对比关系
表明两个概念彼此有矛盾、相反或转折，常用的连接词有 but（但是），yet（可是），
while（而，另一方面），or（否则，要不 然）等，前后分句时态一致。
It has no mouth, but it can talk.
它没有嘴巴，但是它会说话。（表转折关系）
School is over, yet all the teachers are still working.
学校放学了，可是老师们仍然在工作。（表转折关系）
Be quick, or we'll be late for class. 快点，不然我们上课要迟到了。
注意 though和 although 不能和 but连用。
④因果关系
这类并列句表示因果关系，常见连词有 for（因为），so（因此） 等。
若用连接词 for，前后分句时态一致。
He has many good friends, for he is an honest man.
他有许多好朋友，因为他是个诚实的人。（表因果关系)
单元练习
一、单项选择。
1. — Can you tell me more about the 3D printer
— _________ It can be used to print parts for machines.
A. Go ahead. B. Never mind.
C. With pleasure. D. My pleasure.
2.At school, some students are active_________ some are shy, yet they can be good friends
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with one another.
A. while B. although C. so D. as
3. The_________ of our life has been improved a lot with the development of science.
A. attitude B. quality C. quantity D. altitude
4.—Why not stay here a little longer
—_________, but I really have to go.
A. Never mind B. I’d love to
C. Pleased to meet you D. I can’t find any reason
5. The nice_________ of the crops promises a good harvest.
A. price B. pests C. growth D. wealth
6.Technological innovations are_________almost every industry while changing
the way things work.
A. preventing B. benefiting C. encouraging D. protecting
7.We’d better turn on the light,_________ it is really dark now.
A. for B. otherwise C. so D. or
8.With the coming of modern_________, many jobs have disappeared and many
jobs have emerged.
A. technology B. function C. art D. celebration
9.Please_________ the confirm button to complete the payment.
A. plant B. click C. put D. operate
10.We_________ reach the mountain top after 2 hours’ climbing.
A. managed to B. worked on C. want to D. are going to
11.Help others whenever you can_________ you will make the world a nicer place to live in.
A. and B. or C. unless D. but
12.It is no use_________without taking action.
A. complain B. complaining
C. being complained D. to be complained
13.It gives me great pleasure to_________ our guest speaker.
A.introduce B. track C. command D. train
14.This type of cooking robots is well received by housewives for its good_________.
A. money B. help C. time D. performance
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15.—Peter, please send us postcards,_________we’ll know where you have visited.
— No problem.
A. but B. or C. for D. so
二、阅读并补全句子。
16.People are worried about the security of shopping online.
People ______ ______ ______ the security of shopping online.
17.This drone can help farmers spray to kill pests. （对画线部分提问）
______ ______ ______ of this drone
18.The smart refrigerator can help you manage the food inside by connecting to Wi-Fi （对画
线部分提问）
______ can the smart refrigerator help you manage the food inside
19.智能手表可以跟踪日常生活中的健康状况。（翻译）
Smart watch can ______ ______ in daily life.
20.老年人可以语音操控护理机器人。（翻译）
______________________________________________.
三、选择合适的句子补全对话。
(A)
Salesperson: Good morning, Sir. 21. _________
Customer: Good morning. Actually I am interested in this VR game.
Salesperson: It’s the latest product. 22. _________
Customer:23. _________
Salesperson: It encourages players to do exercise while playing.
Customer:That’s what I’m looking for. 24. _________
Salesperson: Sure. The player can explore a virtual world and fight agianst monsters using
different types of real-life exercise.
Customer: That’s amazing. Is it a single-player game
Salesperson: 25. _________
Customer: Wow, sounds great. Can you show me how to use it
Salesperson: Of course.
A. Can you tell me more about it
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B. What do you recommend
C. May I help you
D. What special feature does it have
E. How much is it
F. No. You can also play with your friends or family members.
G. And it is well received by customers.
(B)
John Smith: 26. _________
Li Zixuan: I think people have got great benefits.
John Smith: 27. _________
Li Zixuan: Of course. For example, because of the traffic tools, it becomes softer, quicker,
more comfortable and convenient for us to travel. 28. _________
John Smith: Although it is very convenient for us to go out by car, traffic jams are becoming
more and more serious.
Li Zixuan: 29. _________Thanks to technology, people’s offices and houses have been
greatly improved.
John Smith: But don’t you discover that our sky never looks bluer than ever The
waste gas from factories pollutes the air.
Li Zixuan: 30. _________It’s hard to say whether it is good or not.
A. It is not friendly to the environment.
B. OK. Every coin has two sides.
C. What’s your opinion on the development of technology
D. However, we still need to look on the bright side.
E. Can you give an example
F. And even the transportation of goods becomes faster and cheaper.
G. And the transportation is getting worse.
参考答案：
一、单项选择。
1-5 CABBC 6-10 BAABA 11-15 ABADD
二、阅读并补全句子。
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16. are doubtful about
17.What’s the function
18. How
19. track health
20.The elderly can give voice commands to operate the nursing robot.
三、选择合适的句子补全对话。
21-25 CGDAF
26-30 CEFDB
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Unit 7 Invention and Innovation知识清单
benefit['benifit]v.有益于 besides[bi'saidz]prep.除了
customer['k st m (r)]n.顾客 delivery[di'liv ri]n.递送
drone[dr un]n.无人机 feature['fi:t (r)]n.特点
function['f k n]n.作用 guarantee[ g r n'ti:]n.保修单；保证
innovation[ in 'vei n]n.创新；新事物 introduce[ intr 'dju:s]v.引进；介绍
operate[' p reit]v.操作 pest[pest]n.害虫
prefer[pri'f :(r)]v.更喜欢 previously['pri:vi sli]adv.先前她
recommend[]v.推荐 robot['r ub t]n.机器人
secure[si'kju (r)]adj.严密保护的 smart[smɑ:t]adj.智能的：机智的
software['s ftw ]n.软件 special['spe l]adj.特别的
spray[sprei]v.喷（液体） surround[s 'raund]v.围绕
theater['θi t ]n.电影院；剧场 video['vidi u]n.录像
virtual['v :t u l]adj（计算机仿真）虚拟的 warn[w :n]v.警告；提醒
be doubtful about 对…感到怀疑 in a way 在某种程度上
in the beginning 开始；起初 Internet of Things（IoT）物联网
turn on/off 开（关）灯
At the Science and Technology Expo, one guest is interested in the use of drones and comes to the receptionist for more information.
Receptionist: Good afternoon, Sir! What can I do for you
Guest: Good afternoon. I want to pick a drone that can help me on the farm.
Receptionist: What kind of drone are you interested in
Guest: I’m still not sure. The type with high quality and reasonable price, I guess. What do you recommend
Receptionist: How about this one It’s the latest product and is well received by customers for good performance and reasonable price.
Receptionist: It can help farmers check the growth of crops, plant seeds and spray to kill pests.
Guest: I see. Can you tell me more about it
译文:
在科技博览会，一位顾客对无人机的应用感兴趣，于是向接待员咨询更多相关信息。
接待员：下午好，先生！我可以为您做什么？
顾客：下午好。我想选一款能够在农场使用的无人机。
接待员：您对哪款无人机感兴趣？
顾客：我还不确定。我想应该是质量好、价格合理的那种。你能给我些建议吗？
接待员：这款怎么样？这是最新产品，因为性能良好和价格合理受到顾客的欢迎。顾客：它有什么功能？
接待员：它可以帮助农民检查作物的生长、播种和喷洒杀虫剂。
顾客：我明白了。你可以再介绍一下它的其他功能吗？
接待员：当然可以。无人机还可以用于拍照、送货、庆典灯光表演等。我们的新产品有两年的保修期。
顾客：哇，听起来不错。它容易操作吗？
接待员：是的，我们为您准备了培训视频。请这边走。
Technological Innovations Are Changing Our Lives
Believe it or not, technology has left a mark on our lives. Previously, you had to go out to get food, and now you can order online and get it delivered to your doorsteps. In the beginning, people were doubtful about spending money on a product without seeing it face to face, but now more than 90% of them prefer online shopping.
Every person is surrounded by technology in a way. A typical example is Internet of Things (IoT). It introduces the features of smart homes where you can turn lights on and off through your smart phone. Similarly, it allows you to lock the doors of your entire house by making a few clicks. Hence, besides making lives easier, it is promoting a secure environment at home.
It is amazing to think that we managed to go from the big landline phones to small wireless computers in only a few decades. Now, you can check the web, make calls, watch videos, and even work on your smart phone.
Technological innovations have truly changed our lives in so many ways. They are benefiting almost every industry while changing the way things work. And, of course, innovation has not stopped. You will surely welcome bigger and better innovations sooner or later. After all, the future is all about robots, smart homes and self-driving cars.
译文:
科技创新正在改变我们的生活
信不信由你，科技已经在我们的生活中留下了印记。以前，你必须走出家门才能买到食物，现在你可以在网上订购并要求送货上门。一开始，人们对看不见产品就掏钱购买持怀疑态度，但现在超过90％的人更喜欢网上购物。
在某种程度上，每个人都被科技包围着。一个典型的例子是物联网(IoT)。它引人了智能家居的特点，你可以通过智能手机打开和关闭灯光。它也允许你通过点几下手机就能锁上整个房子的门，因此，除了让生活更轻松之外，它还提升了住宅的安全性。
令人惊讶的是，我们在短短几十年的时间里就成功地从大型固定电话发展到小型无线计算机。现在，你可以用手机上网、打电话、使用各种应用程序，甚至在手机上工作。
科技创新已经在如此多的方面改变了我们的生活。它们在改变事物运行方式的同时，几乎使所有行业受益。当然，创新并未停止，你将迟早迎来更大的变革、更好的创新。毕竟，在未来世界，机器人、智能家居和自动驾驶汽车将无处不在。
Great Inventions Change the World
There have been many great inventions that change the way we live and allow us to do things we have never dreamed of. The first great invention was the wheel. This invention made it easier to carry heavy things and to travel long distances. The four great inventions of ancient China greatly promoted the development of our economy, politics and culture at that time and fundamentally advanced world civilization as well.
In the 19th century, many great inventions were made. Among them were the camera and the light bulb. There were more great inventions in the early 20th century, such as the plane, and the movie with sound . Nylon came out in the 1930s and changed the kind of clothes people wear.
Starting from the second half of the 20th century, man began looking for ways to go into space. Many countries, including the United States and China, have made their steps into space, too.
促进 根本地 有声电影 尼龙
译文:
伟大的发明改变世界
许多伟大的发明改变了我们的生活方式，甚至说我们能够完成以前根本想不到的事情。第一项伟大的发明是轮子，这项发明使人们更容易携带重物和长途旅行。中国古代的四大发明极大地促进了当时中国在经济、政治和文化上的发展，并且从根本上推进了世界文明。
19世纪有许多伟大的发明，其中包括照相机和灯泡。20世纪初有更多的伟大发明，如飞机、有声电影。尼龙于20世纪30年代问世，人们的衣服种类也随之改变。
从21世纪下半叶起，人类开始寻找进入太空的方法。很多国家，包括美国和中国，也开始探索太空。
本单元主要考查的语法点是：并列句
含有两个或两个以上独立分句的句子叫并列句。这些独立分句处于平等的、互不依从的并列地位。英语并列句不能只用逗号隔开（较短的句子例外），要用并列连词连接，连词前可用或不用逗号。
1.并列句的基本形式：简单句+并列连词+简单句
I like apples and Jim likes strawberries.
我喜欢苹果，而吉姆喜欢草莓。
You'd better put on your coat, or you’ll have a bad cold in such a cold day.
在这样寒冷的天气，你最好穿上你的外套，否则的话你会得重感 冒。
2.并列连词
①并列/递进关系
这类并列句表示两个并列概念，其连接词有and，not only...but also...，neither...nor...，both...and...等，and所连接的前后分句表示并列关系、先后关系或递进关系。前后分句的时态往往保持一致。
I’m a doctor and she is a nurse.
我是医生，她是护士。（表并列关系）
I pulled the trigger and the gun went off.
我一扣扳机，枪就响了。（表先后关系）
②选择关系
这类并列句表示在两者之间选择一个，常用的连接词有or（或 者），not...but...（不是……而是……）， either...or...（要么……要 么……）等，前后分句的时态往往保持一致。
The children can go with us, or they can stay at home.（表选择关系） 孩子们可以和我们一起去，或者他们也可以待在家里。
③转折、对比关系
表明两个概念彼此有矛盾、相反或转折，常用的连接词有 but（但是），yet（可是），while（而，另一方面），or（否则，要不 然）等，前后分句时态一致。
It has no mouth, but it can talk.
它没有嘴巴，但是它会说话。（表转折关系）
School is over, yet all the teachers are still working.
学校放学了，可是老师们仍然在工作。（表转折关系）
Be quick, or we'll be late for class. 快点，不然我们上课要迟到了。
注意 though和although 不能和but连用。
④因果关系
这类并列句表示因果关系，常见连词有for（因为），so（因此） 等。
若用连接词for，前后分句时态一致。
He has many good friends, for he is an honest man.
他有许多好朋友，因为他是个诚实的人。（表因果关系)
单元练习
一、单项选择。
1. — Can you tell me more about the 3D printer
— _________ It can be used to print parts for machines.
A. Go ahead. B. Never mind.
C. With pleasure. D. My pleasure.
2.At school, some students are active_________ some are shy, yet they can be good friends with one another.
A. while B. although C. so D. as
3. The_________ of our life has been improved a lot with the development of science.
A. attitude B. quality C. quantity D. altitude
4.—Why not stay here a little longer
—_________, but I really have to go.
A. Never mind B. I’d love to
C. Pleased to meet you D. I can’t find any reason
5. The nice_________ of the crops promises a good harvest.
A. price B. pests C. growth D. wealth
6.Technological innovations are_________almost every industry while changing
the way things work.
A. preventing B. benefiting C. encouraging D. protecting
7.We’d better turn on the light,_________ it is really dark now.
A. for B. otherwise C. so D. or
8.With the coming of modern_________, many jobs have disappeared and many
jobs have emerged.
A. technology B. function C. art D. celebration
9.Please_________ the confirm button to complete the payment.
A. plant B. click C. put D. operate
10.We_________ reach the mountain top after 2 hours’ climbing.
A. managed to B. worked on C. want to D. are going to
11.Help others whenever you can_________ you will make the world a nicer place to live in.
A. and B. or C. unless D. but
12.It is no use_________without taking action.
A. complain B. complaining
C. being complained D. to be complained
13.It gives me great pleasure to_________ our guest speaker.
A.introduce B. track C. command D. train
14.This type of cooking robots is well received by housewives for its good_________.
A. money B. help C. time D. performance
15.—Peter, please send us postcards,_________we’ll know where you have visited.
— No problem.
but B. or C. for D. so
二、阅读并补全句子。
16.People are worried about the security of shopping online.
People ______ ______ ______ the security of shopping online.
17.This drone can help farmers spray to kill pests. （对画线部分提问）
______ ______ ______ of this drone
18.The smart refrigerator can help you manage the food inside by connecting to Wi-Fi （对画线部分提问）
______ can the smart refrigerator help you manage the food inside
19.智能手表可以跟踪日常生活中的健康状况。（翻译）
Smart watch can ______ ______ in daily life.
20.老年人可以语音操控护理机器人。（翻译）
______________________________________________.
三、选择合适的句子补全对话。
(A)
Salesperson: Good morning, Sir. 21. _________
Customer: Good morning. Actually I am interested in this VR game.
Salesperson: It’s the latest product. 22. _________
Customer:23. _________
Salesperson: It encourages players to do exercise while playing.
Customer:That’s what I’m looking for. 24. _________
Salesperson: Sure. The player can explore a virtual world and fight agianst monsters using different types of real-life exercise.
Customer: That’s amazing. Is it a single-player game
Salesperson: 25. _________
Customer: Wow, sounds great. Can you show me how to use it
Salesperson: Of course.
A. Can you tell me more about it
B. What do you recommend
C. May I help you
D. What special feature does it have
E. How much is it
F. No. You can also play with your friends or family members.
G. And it is well received by customers.
(B)
John Smith: 26. _________
Li Zixuan: I think people have got great benefits.
John Smith: 27. _________
Li Zixuan: Of course. For example, because of the traffic tools, it becomes softer, quicker, more comfortable and convenient for us to travel. 28. _________
John Smith: Although it is very convenient for us to go out by car, traffic jams are becoming more and more serious.
Li Zixuan: 29. _________Thanks to technology, people’s offices and houses have been greatly improved.
John Smith: But don’t you discover that our sky never looks bluer than ever The
waste gas from factories pollutes the air.
Li Zixuan: 30. _________It’s hard to say whether it is good or not.
A. It is not friendly to the environment.
B. OK. Every coin has two sides.
C. What’s your opinion on the development of technology
D. However, we still need to look on the bright side.
E. Can you give an example
F. And even the transportation of goods becomes faster and cheaper.
G. And the transportation is getting worse.
参考答案：
一、单项选择。
1-5 CABBC 6-10 BAABA 11-15 ABADD
二、阅读并补全句子。
16. are doubtful about
17.What’s the function
18. How
19. track health
20.The elderly can give voice commands to operate the nursing robot.
三、选择合适的句子补全对话。
21-25 CGDAF
26-30 CEFDB
01 Word and Expressions
02 Listening and Speaking
03 Reading and Writing
04 Culture understanding
05 Grammar Focus
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