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本刊试题研究中心

Task 1

When your robot vacuum cleaner （真空吸尘器） does its cleaning work， mind that it could pick up private conversations. Scientists have demonstrated that it is likely to spy on （窥探） private conversations using a common robot vacuum cleaner and its built⁃in Light Detection and Ranging （Lidar） sensor.

The method， also called LidarPhone， changes the Lidar sensor a robot vacuum cleaner normally uses for guiding around a home into a laser⁃based （基于激光的） microphone to listen in on private conversations.

The research team， led by Professor Jun Han， managed to recover speech data with high accuracy. Jun Han shared， “Our method shows it is now possible to gather private data just by using household devices like a robot vacuum cleaner. Our work demonstrates the urgent need to find practical solutions to prevent that from happening.”

The key of the method is the Lidar sensor， a device sending out an invisible scanning laser and creating a map of its surroundings. By reflecting lasers off objects such as a dustbin， the attacker could obtain information about the original sound that made the objects surfaces shake. Using deep learning algorithms （计算程序）， speech could be regained.

In their experiments， the researchers used a common robot vacuum cleaner with two sources of sound. One was the voice of conversation while the other was music clips （片段）from television shows played through a sound box. After analysis through deep learning algorithms， the system was able to detect the figures being spoken aloud， which could include a victims bank account numbers. Music parts could potentially reveal the victims viewing preferences. The system achieved an accuracy rate of 91 percent.

To prevent Lidars from being misused， the researchers recommend users not to connect their robot vacuum cleaners to the Internet. “In the long term， we might have to accept that each new Internet?connected household sensing device poses a risk to our privacy，” said Professor Han.

The team is working on applying the LidarPhone to driverless vehicles which also use Lidar sensors. They are also examining the laser sensors found on latest smartphones， which could reveal further privacy issues.

1. What is the Lidar sensor originally intended to do？

A. To spy on personal talks.

B. To guide around the rooms.

C. To recover speech accurately.

D. To switch on the vacuum cleaner.

2. What does the underlined word “that” in paragraph 3 refer to？

A. Finding practical solutions.

B. Sending out a scanning laser.

C. Making the objects surfaces shake.

D. Listening in on private information.

3. What can we learn from the experiments？

A. There is only one source of sound.

B. Low voices can also be recovered.

C. A high accuracy rate can be obtained.

D. Peoples viewing likes are insignificant.

4. What can be inferred from the last two paragraphs？

A. Most of the smartphones have Lidar sensors.

B. The household devices should be Internet⁃accessible.

C. The LidarPhone may be used in future self⁃driving cars.

D. The Internet⁃connected household devices will be risk⁃free.

Task 2

Your options for an eco⁃friendly home may seem somewhat limited now—solar panels， rain barrels， and maybe a small garden—but as the world of green technology advances， there is a rise in the number of smart， eco⁃friendly home improvements. Some of them are available now. 1 . Read on to see how you can improve your home now.

A home thermostat （恒温器） can automatically adjust the temperature for you， making sure your house is warm when you get home and reducing energy waste during the day. For example， a thermostat called Nest Learning Thermostat learns your heating and cooling preference and automatically adjusts itself. 2 ， without ever having to remember to adjust the temperature.

Years ago， recycling paper and plastic was the most you could do to save resources. 3 . Everything from Christmas lights to wine corks （瓶塞） is recycled. And where do the post?recycling⁃process materials end up？ Back in your home， in the form of recycled⁃paper counter tops （台面） and recycled plastic carpets， to name a few.

4 . But if youre ready to take your heating， cooling and electricity system into the future， then youll want to start with alternative new energy sources， like solar panels or wind power. Solar panels are additions you can make to your own house， but if you dont have the time or money， you can also choose alternative energy sources through your regular supplier.

In 2009， The Wall Street Journal asked four architectural firms to imagine the future of green homes. 5 . They designed what they call the “Incredible Edible House”， covered in green in the form of plants and gardens that provide food for the home owners， absorb heat to keep the interior cool， and are watered from a rooftop that catches rain.

A. There are quite a lot of benefits of green homes

B. Others， like walls made of gardens， are a bit more futuristic

C. Traditional energy sources are still the norm in most houses

D. Nest users have saved 29 million in energy in less than two years

E. It will depend on the type of heating and cooling system in your home

F. Now， recycling factories have gone way beyond the traditional materials

G. And one of the groups， Rios Clementi Hale Studios， undertook the project

Task 3

I log onto a computer at the doctors office to say I have arrived and then wait until a voice calls me into the examination room. There， a robotic nurse 1 me onto the scales and then takes my blood pressure. Some time later， in steps the 2 ， who is also a robot. He notes down my 3 and gives me a prescription （处方）. I pay for my visit using a credit card and return home without having met another human being. This is my terrible vision of the future， which hasnt happened 4 yet.

I should say I really do like many aspects of 5 . I am a big fan of air conditioning in summer and heaters in winter. But I am writing this because I dont want machines to

6 .

When I call my dentists office and actually get a human being on the line， I am

7 . But when I see the introduction of yet more self⁃service checkout stations at the grocery store， I feel like 8 ， “When it comes to cashiers （收银员）， make mine a（n） 9 ， please！”

After all， human cashiers sometimes 10 you a store coupon （优惠券） for items you are buying.

Even more than that， real⁃life cashiers often take an interest in particularly cute children， which can 11 young mothers day. A cashier may also show pity on an elderly person 12 to get that last penny out of his purse.

Machines can be 13 and cost?effective and they often get the job done just fine. 14 they lack an element so important to everyday life.

Call it the spirit， the soul or the heart. It is 15 no machine will ever have. It is human beings that encourage us to smile at others， which may be what they need at that moment.

1. A. forces B. directs C. follows D. separates

2. A. worker B. nurse C. doctor D. cleaner

3. A. signals B. symptoms C. words D. symbols

4. A. at most B. at last C. at least D. at intervals

5. A. economy B. agriculture C. literature D. technology

6. A. cut in B. pass by C. take over D. go away

7. A. annoyed B. thrilled C. discouraged D. disappointed

8. A. smiling B. laughing C. shouting D. weeping

9. A. machine B. human C. animal D. plant

10. A. give B. lend C. teach D. buy

11. A. brighten B. darken C. strengthen D. widen

12. A. turning B. happening C. hating D. struggling

13. A. urgent B. efficient C. frequent D. consistent

14. A. But B. Because C. Otherwise D. Therefore

15. A. everything B. nothing C. anything D. something

Task 4

第一节 语法填空

Is artificial intelligence （AI） the biggest threat to our existence？ Mr Millennium has got his own super⁃smart personal assistant 1. （build） into his phone. The personal assistant can give him a proper 2. （recommend） since it can predict if he will like a particular restaurant. 3. （speak） of hanging out， he thinks self⁃driving cars can make judgement based on information. Since they dont make errors as humans do， theyll certainly be 4. （safe）.

In the eyes of Popkid， the truth is 5. none of us is prepared for the challenges of AI. It might think were valuable enough 6. （keep） around. If not， it might wipe 7. （we） all out！ Despite the convenience of self⁃driving cars， we should think about all the taxi drivers that would lose their 8. （job）. Pink Haze believes most of the value of AI 9. （lie） in its capacity to analyse and interpret vast amounts of data， but super⁃intelligent AI could also be the 10. （danger） if it goes wrong or falls into the wrong hands. However， AI is not going to go away. We have no choice but to embrace it and regulate it.

第二节 书面表达

本周你们班英语课的每日课前演讲的话题是“What do you think the robot will be like in the future？”。请你围绕该话题写一篇英语演讲稿，谈谈你心中的未来机器人会是什么样子的、具备哪些功能等。

注意：

1. 词数80左右;

2. 开头已给出，不计入总词数;

3. 可以適当增加细节，以使行文连贯。

Good morning， everyone！ It is my turn to make a speech here today.

Task 5

阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。

Zigfried， a little mouse， once lived happily in a farmhouse with his parents. They got a lot of food from the kitchen easily， because the owner of the farmhouse was very rich. For Zigfried and his parents， the Spring Festival was their favourite. On that day， they could get more delicious food than ever. Every time his father would bring a big chicken leg back for Zigfried. To Zigfried， wonderful food was his Spring Festivals miracle （奇迹）.

Unfortunately， Zigfrieds father was caught by a cat when he was hanging around. Years later， his mother died because of illness and the owner of the farmhouse moved to the city. Happy days were away from Zigfried from then on. All the things had already been changed. There was no food anymore in the farmhouse and no family. All the rooms were empty.

The Spring Festival was coming again. Zigfried blew his breath on the frosty window of the farmhouse and rubbed it to see the outside. Still nobody came. Maybe today， he thought hopefully. It was only a few days before the Spring Festival and he was waiting for a miracle. It was a miracle like the old times， which he had been waiting for a long time.

This farmhouse had been empty too long. It needed a family. Zigfrieds stomach made a noise. He realized that he hadnt eaten anything since yesterday. He jumped from the windowsill （窗沿）， grabbed a bag from his home， and went next door to Farmer Mikes.

Farmer Mikes house had been a great place for him until the farmer married a wife who had a cat. Zigfried trembled （發抖） when he thought of it. He looked around cautiously as he slid into the room where grain was stored and was quite nervous as he filled his bag with wheat. He was turning to leave when suddenly he felt a hot breath about his ear. His heart beat wildly， and without thinking he started to run and luckily escaped.

注意：续写词数应为150左右。

Paragraph 1：

The next afternoon Zigfried heard some good news.          

   

   

   

   

   

   

   

   

Paragraph 2：

The house came alive the next few days because of the coming of the new family.