题目内容

【题目】

Elon Musk, perhaps the world’s most famous businessman, has a habit of making statements that stretch the bounds of believability.

On July 16th, 2019, he introduced a new type of brain-machine interface (BMI), starting from the design of a “neural lace (神经织网)”, a net of thin electrodes (电极) that capture the information from the brain. However, the electrodes must be flexible, so that they do not damage brain tissue and will last for a long time. And to make the implantation (植入) of so many electrodes safe, painless and effective, the process has to be automated.

Mr. Musk’s team does indeed seem to have made progress towards these goals. Its presentation included videos of a robot that is best described as a sewing machine. This robot grabs “threads”, and shoots them deep into the brain through a hole. The firm has also designed a chip that can handle signals from as many as 3,072 electrodes.

With all these technological breakthroughs, the firm now hopes to help people overcome such illnesses as blindness and paralysis. They designed a small device that would sit behind someone’s ear, picking up signals from the implanted chip and passing them on as appropriate. In a few years, using a brain implant to control your devices may be as prevalent as wearing wireless earphones today. Finally, Musk predicts neural lace will allow humans to be combined with AI systems, thus enabling the species to survive.

Though, as this announcement shows, Mr. Musk does have a habit of presenting himself as the hero of the human race, the idea that some machines at least will come under the direct control of human brains seems possible to be carried out. The biggest barrier to this happening will probably not be writing the software needed to interpret brainwaves, but rather persuading people that the necessary surgery, whether by sewing machine or otherwise, is actually a good idea.

1We can learn from the first two paragraphs that _____.

A.electrodes should be flexible to extend life

B.Elon Musk constantly comes up with unexpected ideas

C.a neural lace is used to store information from the brain

D.electrodes are implanted by top surgeons for safety reasons

2What does the underlined word “prevalent” in Paragraph 4 probably mean?

A.Useful.B.Common.C.Professional.D.Appropriate.

3What is the hardest part of carrying out BMI?

A.Convincing people to accept the surgery.

B.Developing devices to perform the surgery.

C.Writing the software to interpret brainwaves.

D.Informing people of the success of the surgery.

4What is the best title of this passage?

A.The Neural Lace, A New Type of BMI.

B.Elon Musk, the Hero of Human Beings.

C.Artificial Intelligence, the Way to Survive.

D.A Brain Implant, A Step to Control Machines.

【答案】

1B

2B

3A

4A

【解析】

这是一篇说明文。主要介绍了Elon Musk提出的新型脑机交互的想法,并从现今研究成果和未来应用前景进行了详细说明。

1推理判断题。根据第一段中“Elon Musk... has a habit of making statements that stretch the bounds of believability.(埃隆·马斯克,有一种习惯,他发表的言论超出了可信度的范围。)”第二段中“On July 16th, 2019, he introduced a new type of brain-machine interface (BMI) (20191016日,他提出了一个关于新型脑机交互的想法。)可知Elon Musk经常能提出前所未闻的想法,B项符合题意。故选B项。

2词义猜测题。根据第四段中“They designed a small device that would sit behind someone’s ear, picking up signals from the implanted chip and passing them on as appropriate.”可知,现在设计的小设备安装在人的耳后,从植入芯片中收集信息,然后以合适的方式传递下去。表明现在的应用较为复杂。划线词所在句表述为几年后,意为与现在形成对比关系,表明这项技术会变得更为普遍和简易。通过翻译选项可知,Bcommon“普遍的”切合题意。故选B项。

3细节理解题。根据最后一段中“The biggest barrier to this happening will probably not be writing the software needed to interpret brainwaves, but rather persuading people that the necessary surgery”可知,最大的阻碍可能不是写软件,而是说服人们做必要的外科手术。意在表明BMI最艰难的部分是说服人们接受必要的外科手术。故选A项。

4主旨大意题。根据第二段中“On July 16th, 2019, he introduced a new type of brain-machine interface (BMI)”可知20191016日,他提出了一个关于新型脑机交互的想法。接下来全文围绕新型脑机交互(BMI)进行展开说明,因此可知A项“新神经织网,一种新型的脑机交互”切题。故选A项。

猜测词义题旨在考查学生根据上下文推测生词、短语或句子意思的能力,突出考查对语境的分析和把握能力。是阅读理解的常考题型,题干中通常含有meanreferto或者bereplacedby等。例如第2小题中“In a few years, using a brain implant to control your devices may be as prevalent as wearing wireless earphones today.”根据同位或解释关系,当作者不能肯定读者能够理解他的意思时,会用另外一种方式来进一步详细解释或类比关系衬托自己的观点表述。句中as起到了连接前后句语境的作用,通过后句的类比关系暗示划线词的含义,考生要将前后两句都读完才能理清语境间内在联系,进而准确的推测出划线词的含义。

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【题目】 Ever wonder how this season’s celebrations affect the environment? Guest blogger Krista Fairles takes an amusing look at this very topic:

The holidays are a wonderful, cheerful time when most people wait for Santa to bring them presents. But I’m not like most people. I spend my time wondering just what the environmental impacts of Santa Claus and his reindeer are, and more importantly, how I can calculate those impacts.

Lately I’ve been particularly curious as to whether Santa’s old sled is a clean green flying machine, or if he should be replacing his 8 reindeer with an environmentally-friendly car.

I should mention that, surprisingly, I was unable to find statistics specific to Santa’s magical flying reindeer, so these calculations use numbers from various sources and may not represent actual pollution caused by Santa and his animals. In other words, don’t complain to the government about the damage Santa is causing to the environment based on this article.

Santa’s yearly trip around the globe is 44,000km long, twice the average of a North American driver. If we assume that the magic provides the altitude for this trip, then reindeer power only needs to push Santa’s sled forward. To complete the trip in 12 hours, I estimate they must travel at a speed of about 3100km/h. To travel at this speed, for this length of time, the reindeer need to eat an incredible 980 million calories each!

So the next question is: how much food is in 980 million calories? Well, if they’re eating corn, they’d need to eat 16,500 lbs each - or 1.6 acres of food. Growing 12.8 acres of corn has its own implications for the environment that we’ll leave for another calculation.

We now need to consider that during the global trip the reindeer are “letting out” some of that corn in the form of methane (甲烷,沼气). A resting cow produces 110 kg of methane per year, so flying reindeer would each let out about 4.8 tons. With methane causing 20 times the global warming damage of CO2, and the altitude increasing that damage by 1000% that another 20 times, we can put Santa’s round-trip emissions at 15,488 tons. This is much more than the 100 tons an environmentally-friendly car would release on the same trip!

Bad Santa.

1Which aspect does the writer NOT mention in her analyses about reindeer’s influence on environment?

A.Distance covered.B.Money spent on food.

C.Tons of waste let out.D.Calories consumed.

2According to the passage, how many acres of corn would Santa need to feed 12 reindeer?

A.12.8.B.16.C.19.2.D.128.

3Which of the following words best describes the tone of the passage?

A.Humorous and concerned.B.Cheerful and friendly.

C.Academic and formal.D.Serious and boring.

4Which of the following is the best title for this passage?

A.Santa, watch where you’re going!B.Let’s reduce waste on Christmas celebrations!

C.Santa Claus is coming to town!D.Is Santa driving clean and green?

【题目】Silk Road Tours

Along this over 4,000 km road, you can experience colorful culture, precious historical relics and beautiful northern and western landscape!

Top Silk Road Attractions

1. Terracotta Warriors□

Type History Museums, Historic Sites

Recommended Length of Visit 3 hours

As the eighth wonder of the ancient world, it has a history of more than 2,200 years. Oriental mummies await you to discover their mystery.

2. Mogao Grottoes□

Type: Buddhism, Historic Sites Recommended Length of Visit3 hours

Considered as the eastern Louvre Museum,Mpga0 Grottoes is a glorious treasure of ancient Buddhist cave art. The history of Mogao Grottoes can be traced back to the “Five Hu—16Kingdoms” period (AD 304 — 439).

3. Big Wild Goose Pagoda□

Type Culture & History, Buddhism

Recommended Length of Visit 2 hours

For hundreds of years, this great pagoda has always been the symbol of Xi an. It is famous for the great traveler Xuanzang of Tang Dynasty who traveled from China to India to learn the Buddhism and got back to China with many precious Buddhist scriptures (佛经).

4. Qinghai Lake□

Type Lake

Recommended Length of Visit 5 hours

Known as the largest inland lake, as well as the largest salt water lake in China, it is the most visited and famous attraction in Qinghai Province. Here, you not only enjoy the fantastic natural beauty, but also experience the amazing culture here.

Please click “□”to add the attraction to your favorite list. Let us plan a private Silk Road Tour for you!

1What do Mogao Grottoes and Big Wild Goose Pagoda have in common?

A.Both contain ancient Buddhist cave art.

B.Both are known as the symbol of Xi'an.

C.Both are related to history and Buddhism.

D.Both were constructed during- the Tang Dynasty.

2Which of the following provides tourists with breathtaking natural scenery?

A.Terracotta Warriors.B.Mogao Grottoes.

C.Big Wild Goose Pagoda.D.Qinghai Lake.

3Where is this text most likely from?

A.A Newspaper.B.A guidebook.

C.A website.D.A magazine.

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