题目内容

【题目】 Let us all raise a glass to AlphaGo and the advance of artificial intelligence. AlphaGo

DeepMind’s Go-playing AIjust defeated the best Go-playing humanLee Sedol. But as we drink to its success. we should also begin trying to understand what it means for the future.

The number of possible moves in a game of Go is so huge that. in order to win against a player like Lee. AlphaGo was designed to adopt a human—like style of gameplay by using a relatively recent development--deep learning. Deep learning uses large data sets“machine learning”algorithms (计算程序) and deep neural networks to teach the AI how to perform a particular set of tasks. Rather than programming complex Go rules and strategies into AlphaGoDeepMind designers taught AlphaGo to play the game by feeding it data based on typical Go moves. ThenAlphaGo played against itself, tirelessly learning from its own mistakes and improving its gameplay over time. The results speak for themselves.

Deep learning represents a shift in the relationship humans have with their technological creations. It results in AI that displays surprising and unpredictable behaviour. Commenting after his first lossLee described being shocked by an unconventional move he claimed no human would ever have made. Demis Hassabis. one of DeepMind's foundersechoed this comment“We're very pleased that AlphaGo played some quite surprising and beautiful moves. ”

Unpredictability and surprises are—or can be—a good thing. They can indicate that a system is working wellperhaps better than the humans that came before it. Such is the case with AlphaGo. Howeverunpredictability also indicates a loss of human control. That Hassabis is surprised at his creation's behaviour suggests a lack of control in the design. And though some loss of control might be fine in the context of a game such as Goit raises urgent questions elsewhere.

How much and what kind of control should we give up to AI machines? How should we design appropriate human control into AI that requires us to give up some of that very control? Is there some AI that we should just not develop if it means any loss of human control? How much of a say should corporationsgovernmentsexperts or citizens have in these matters? These important questions, and many others like themhave emerged in responsebut remain unanswered. They require humannot human - likesolutions.

So as we drink to the milestone in AI, let's also drink to the understanding that the time to answer deeply human questions about deep learning and AI is now.

1What contributes most to the unconventional move of AlphaGo in the game?

A. The capability of self-improvement.

B. The constant input of large data sets.

C. The installation of deep neutral networks.

D. The knowledge of Go rules and strategies.

2A potential danger of Al is _____.

A. the loss of human control B. the friendly relationship

C. the fierce competition D. the lack of challenge

3How should we deal with the unpredictability of AI?

A. We should stop AI machines from developing even further.

B. We should call on the government to solve these problems for us.

C. We should rely on ourselves and come up with effective solutions.

D. We should invent even more intelligent machines to solve everything.

4What's the author’s attitude towards this remarkable advance in AI?

A. Supportive. B. Optimistic.

C. Doubtful. D. Cautious.

【答案】

1A

2A

3C

4D

【解析】

这是一篇夹叙夹议的文章。这篇文章作者结合人工智能AlphaGo战胜韩国棋手李世石的围棋比赛展开,阐述了AI的运作原理以及作者的思考.

1推理判断题。答案定位在第二段ThenAlphaGo played against itself, tirelessly learning from its own mistakes and improving its gameplay over time. The results speak for themselves.可知,AI的学习过程是通过不断和自己比赛,吸取经验获得自我提高,故选A

2细节理解题。答案定位在第四段Howeverunpredictability also indicates a loss of human control.可知,不可预测性也表明失去了人类的控制,故选A

3推理判断题。答案定位在第五段They require humannot human - likesolutions.可知,他们需要人类,只有人类自己努力才最可能找出解决方案,故选C

4细节理解题。答案定位在最后一段So as we drink to the milestone in AI, let's also drink to the understanding that the time to answer deeply human questions about deep learning and AI is now.

可知作者对于AI的先进性持谨慎态度,让时间来证明这一切。A. Supportive.支持的; B. Optimistic.乐观的;C. Doubtful.可疑的;D. Cautious.谨慎的,故选D

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3. ACCORDING TO the results of a quality inspection by the State Administration for Industry and Commerce of products sold on the Internet, of 497 products sampled, 172 did pass the quality test, Products sold through T-mall and Taobao proved to be the least qualified. Beijing Youth Daily commented on Wednesday.

【写作内容】

1.用约30个单词概述上述文字及图表的主要内容;

2.简要分析网络购物流行的主要原因;

3.请你对于如何规范网络销售提出具体措施(不少于两点)。

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【题目】Earth Day Photo Contest

A picture is worth a thousand words! Enter the TFK photo contest and show us: Why is Earth Day important to our planet?

To enter online, visit timeforkids.com/2017earthdaycontest and get details below.

TIME

● The contest begins on January 9, 2017.

● The contest ends on April 20, 2017.

INSTRUCTIONS

● An original and previously unpublished photograph that answers the Earth Day question “Why is Earth Day important to our planet?” and that was photographed by the Entrant (参赛者) between June 1, 2016, and April 20, 2017.

● A caption describing the picture, what is happening, where the photo was taken, the date the photo was taken and why Entrant chose to enter this image.

● Entrant’s first name only; Entrant’s email address; and parent’s, teacher’s or guardian’s email address. Limit one entry per person. Sponsor is not responsible for lost, late, or incomplete entries, or entries not received for any reason. Entries belong to Sponsor, and none will be acknowledged or returned.

● By entering, Entrant guarantees that the entry is original and has not been published in any medium or won an award.

ELIGIBILITY

Open to residents of the 50 United States and the District of Columbia who are elementary school students ages 8–13 years at time of entry.

WINNERS’ LIST and PRIZES

Judges will select 10 Semifinalists from which one Grand-Prize Winner and nine Finalists will be chosen. The Grand-Prize Winner will receive a digital camera—approximate retail (零售) value: $300.00. The photograph entry of the Grand-Prize Winner will be published in the April 22 Earth Day issue of TIME For Kids. The photograph entries of all Semifinalists will be published in the gallery of timeforkids.com. Winner will be informed by email, and must respond within five days.

1An Entrant who will participate in the photo contest should ________.

A. send an original photo establishing the Earth Day

B. present a relevant description of the photo entry

C. inform the sponsor of his or her delayed email

D. offer his or her email address and family name

2What do we know about the photograph entry of the winner?

A. It will be published in a magazine and a gallery.

B. It will be evaluated at approximately $300.00.

C. It will be selected from nine Finalists’ entries.

D. It will be acknowledged and returned afterwards.

【题目】The Science Behind Smiling

Not only does smiling reward our brain’s feel-good system, it also makes us look more attractive and lowers stress levels. In stressful situations, smiling is a great way to relieve extreme levels of stress and to keep your cortisol (皮质醇) levels under control.

Naturally, happiness can result in smiling. Also, smiling can actually create happiness. Smiling tricks our brains into believing we are happy, and one way it does this is by making us think of happier memories, which improve our moods.

When the smiling muscles in our face contract, it sends a signal to the brain to encourage the reward system that further increases our levels of endorphins, or happiness hormones (荷尔蒙). It can have the same effect on our happiness as eating chocolate or receiving a monetary prize.

Even though the exact relationship behind facial expression and mental state is largely unknown, it has been suggested that smiling reduces levels of the stress-inducing hormone cortisol. Increased levels of cortisol could potentially lead to cardiovascular disease, mental illness, and obesity, so it’s worth every effort to try to decrease our cortisol levels.

Research shows that when you smile, people treat you differently. Smiling instantly makes you appear more reliable, relaxed, sincere, and attractive. A study found that people who smiled more were rated as more attractive than those who avoided eye contact and didn’t smile at all.

Perhaps this is why celebrities (名人) invest in perfect smiles, often looking for porcelain veneers to give them flawlessly straight, white teeth. According to a cosmetic (化妆用的) dentistry practice in Boston, broken and stained teeth can make a person look older, while a brighter smile gives a look of health and youthfulness. Anyone you spot on television will more likely than not have a perfect smile. This gives them a youthful shine while at the same time making them look more attractive.

Smiling is an act that many of us may have to practice in order to make a regular habit. However, it’s a habit worth investing in, as smiling, happiness, and health have a scientifically proven link to one other. If you find it hard to smile, try being around people who tend to smile a lot. According to a Swedish study, it is difficult to keep a straight face when constantly faced with people who are smiling at you.

Title: The Science Behind Smiling

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【题目】

Scientists have discovered a new kind of invisible ink. It’s called water. And all you need for this secret-messaging ink to work is to write with it on a super-hi-tech piece of paper coated with special chemicals. 1 It shows up darker than the surrounding paper under UV(紫外线的) light.

When the message has been read and needs to be hidden again, get out your hairdryer, and blow some warm air on the paper. 2

Using hot air from a hairdryer for 15-30 seconds, you were able to reuse the special paper up to 30 times because the heat reorganized the chemical structure of the paper coating. 3

The invention was made by a group of scientists in China, led by Qiang Zhao of the Institute of Advanced Materials, Nanjing University of Posts and Telecommunications.

Although much of modern communication is digital(数码的), there are still some situations in which it is important to send messages on a piece of paper, such as when the people don’t have Internet. 4 But the problem has always been how to get rid of a message once it has been shown so no one else can read it.

5. To use it, write with the lemon juice on ordinary paper, iron() the paper with a hot iron and the hidden message will appear. The downside(缺点) is that the paper has to be destroyed to hide the message so no one else can read it.

A.How to make the invisible ink? Follow the steps.

B.Invisible inks have long been used to send secret messages.

C.Without the heat, the message stayed visible for up to three months.

D.Previously, the most readily available invisible ink was lemon juice.

E.Shine a UV light on the coated paper and the water message becomes visible.

F.Then the message will be gone and the paper can be reused, which keeps costs low.

G.Putting water on the paper broke up the structure of the chemicals it was coated with.

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