Artificial intelligence can ide ntify skin cancer in photographs with the same accuracy as trained doctors, say scientists. The Stanford University team said the findings were "incredibly exciting" and would now be tested in clinics. Eventually, they believe using AI could revolutionize healthcare by turning anyone’s smart-phone into a cancer scanner.
The AI was repurposed from software developed by Google that had learned to spot the difference between images of cats and dogs. It was shown 129,450 photographs and told what type of skin condition it was looking at in each one.
It then learned to spot the hallmarks of the most common type of skin cancer: carcinoma, and the most deadly: melanoma(黑色素瘤). Only one in 20 skin cancers are melanoma, yet the tumor(腫瘤) accounts for three-quarters of skin cancer deaths.
The experiment, detailed in the journal Nature, then tested the AI against 21 trained skin cancer doctors. One of the researchers, Dr Andre Esteva, told the BBC News website: "We find excitedly, in general, that we are on par with excellent skin cancer doctors."
However, the computer software cannot make a full diagnosis, as this is normally confirmed with a tissue biopsy(活檢). Dr Esteva said the system now needed to be tested alongside doctors in the clinic. "The application of AI to healthcare is, we believe, an incredibly exciting area of research that can be leveraged to achieve a great deal of societal good," he said. "One particular route that we find exciting is the use of this algorithm on a mobile device, but to achieve this we would have to build an app and test its accuracy directly from a mobile device." Incredible advances in machine-learning have already led to AI beating one of humanity's best Go players.
And a team of doctors in London have trained AI to predict when the heart will fail.
1.From the passage we can infer that ________.
A. Artificial Intelligence must replace human one day
B. we can use Artificial Intelligence to cure skin cancers
C. we can use smart-phone to scan our skin at present
D. the research will be of great help to us and our health care
2.Which one will he agree with according to Dr Esteva?
A. Artificial Intelligence has beaten all of humanity’s best Go players.
B. Artificial Intelligence could support assessments by GPs.
C. We still need professional doctors with the help of the system.
D. There are too many disadvantages for Artificial Intelligence.
3.The underlined words “on par with” in Para 4 likely mean ________.
A. inferior to B. equaled by C. superior to D. opposite to
4.What’s probably the best title of this passage?
A. Cancer Doctors Are Out
B. An APP Scanning Skin Cancers
C. Artificial Intelligence—change our future
D. Artificial Intelligence—as good as cancer doctors
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科目:高中英語 來源:2017屆華中師范大學(xué)新高考聯(lián)盟高三2月教學(xué)質(zhì)量測評英語試卷(解析版) 題型:七選五
Knowing a second language can make you more employable and a better traveler. But hanging on to your high school or college Spanish—or French, or German, etc—is a challenge once you’re no longer enrolled in classes. 1.
●Go mobile.
They're not quite as addictive as Candy Crush, but language learning apps are a perfect, productive way to kill time. 2.You can try Duolingo, which takes an entertaining and comprehensive approach to learning a language; it teaches not only reading and writing but listening and speaking.
●3.
Join a local group to connect and chat with fellow students of your desired language, Or, find a virtual partner on a site like Conversation Exchange; native speakers of other languages who want to practice their English will be happy to trade small talk with you over Skype.
●Read, watch, listen.
If you’re reasonably literate in your language of choice, consider picking up a favorite children's book (or audio book) in translation. 4.Or you can try to watch foreign films with English subtitles.
●Take the traditional approach.
Language classes are an investment in terms of both time and money, but they remain an effective way to learn. 5.They include ones with a fun focus on literature, film, or even food.
A. Find a conversation partner or several
B. Get in some regular conversational practice
C. Community colleges offer a variety of language classes.
D. Harry Potter, for example, is available in 68 different languages.
E. You may be able to link up with a center like the French Institute.
F. Fortunately, you can stay literate in your language of choice with a little effort.
G. You can shop around to find one that copes best with your preferred learning style.
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科目:高中英語 來源:2017屆重慶市高三適應(yīng)性月考(五)英語試卷(解析版) 題型:短文改錯(cuò)
假定英語課上老師要求同桌之間交換修改作文,請你修改你同桌寫的以下作文。文中共有10處語言錯(cuò)誤,每句中最多有兩處。每處錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。
增加:在缺詞處加一個(gè)漏字符號(∧),并在其下面寫出該加的詞。
刪除:把多余的詞用斜線(\)劃掉。
修改:在錯(cuò)的詞下劃一橫線,并在該詞下面寫出修改后的詞。
注意:1.每處錯(cuò)誤及其修改均僅限一詞;
2.只允許修改10處,多者(從第11處起)不計(jì)分。
I often imagine how my life will be like in the future. I think your life will be very different in ten years. I will be twenty-eight year old by then. I will have my own family, probable with a lovely child. I hope I will work in the computer company as a program designer. I will enjoy my work and get along well my colleagues. I will do a better job in whatever I do. In my free time, I would continue to take regular exercise, such as swimming, running and playing various ball games. On my holidays, I will travel around to the world. In a word, my life will be much richer but more colorful.
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科目:高中英語 來源:2016-2017學(xué)年遼寧省大連市生學(xué)業(yè)水平考試英語模擬試卷(解析版) 題型:書面表達(dá)
假如你是某校高二學(xué)生李華。你的英國筆友Helen最近寫信向你傾訴她的煩惱。得知她最近因?qū)W習(xí)壓力大開始失眠,學(xué)習(xí)效率也降低后,你決定給她一些建議加以鼓勵(lì)。請你根據(jù)以下要點(diǎn)提示用英文回信:
·turn to your close friends for help…
·keep a positive attitude …
·take part in sports…
·listen to music…
注意:1.開頭語和結(jié)束語已為你寫好,不計(jì)入總詞數(shù);
2.可適當(dāng)增加細(xì)節(jié),使行文連貫;
3.詞數(shù)100左右。
Dear Helen,
I was very glad to receive your letter._____________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
With best wishes.
Yours,
Li Hua
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科目:高中英語 來源:2017屆河南省南陽、信陽等六市高三第一次聯(lián)考英語試卷(解析版) 題型:書面表達(dá)
你們班計(jì)劃在下周日下午4:00—5:00在本班教室舉行一次題為“How I Understand China Dream”的英語演講比賽,假定你是班長李華,請給你們外籍教師Ketty寫封書面邀請函,請她擔(dān)任評委,對演講作出簡要點(diǎn)評,并對獲獎(jiǎng)?wù)哳C發(fā)證書。
注意:
(1)詞數(shù)100左右;
(2)可以適當(dāng)增加細(xì)節(jié),以使行文連貫;
(3)開頭和結(jié)尾已給出,不計(jì)入總詞數(shù)。
Dear Ketty,
____________________________________________________________________
Yours,
Li Hua
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科目:高中英語 來源:2017屆東北三省四市教研聯(lián)合體高三高考模擬試卷(一)英語試卷(解析版) 題型:短文改錯(cuò)
假定英語課上老師要求同桌之間交換修改作文,請你修改你同桌寫的以下作文。文中共有10處語言錯(cuò)誤,每句中最多有兩處。每處錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。
增加:在缺詞處加一個(gè)漏字符號(∧),并在其下面寫出該加的詞。
刪除:把多余的詞用斜線(\)劃掉。
修改:在錯(cuò)的詞下劃一橫線,并在該詞下面寫出修改后的詞。
注意:1.每處錯(cuò)誤及其修改均限一詞;
2.只允許修改10處,多者(從第11處起)不計(jì)分。
In the village where I grew up, everyone knew an old man, that spent all his time in painting. People that lived in the village used to admiring his works and he often gave his paintings to his friends. Whether he was offered money, he would never take it. He said he painted for a pleasure. He once gave one of his paintings to my father, who actually wasn’t interesting in art. Years later I found at our old house. By that time the old man had died and people had started to recognize his paintings as great work of art, which were worth lots of money. So an art gallery make me an offer of $5,000 for this painting and I nearly sold it, so then I decided not to. It reminds me of my childhood and of the old man who didn’t real want to make money by painting.
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科目:高中英語 來源:2017屆東北三省四市教研聯(lián)合體高三高考模擬試卷(一)英語試卷(解析版) 題型:閱讀理解
“Her grades are fine; I’m not worried about that, but she just doesn’t seem to love learning any more.” Alice’s mum said.
She’s absolutely right. I’d noticed the same thing about her daughter over the previous two or three years when I’d been Alice’s middle school English, Latin, and writing teacher, and I have an answer, right there on the tip of my tongue, for what has gone wrong. Yet I’m torn between my responsibility to help Alice, and the knowledge that what I have to say is a truth I’m not sure this mother is ready to hear.
The truth—for this parent and so many others—is this: Her child has sacrificed her natural curiosity and love of learning at the altar(圣壇) of achievement, and it’s our fault. Alice’s parents, her teachers, society at large—we are all supposed to be blamed in this crime against learning. From her first day of school, we pointed her toward that altar and trained her to measure her progress by means of points, scores, and awards. We taught Alice that her potential is tied to her intellect(智力) ,and that her intellect is more important than her character. We taught her to come home proudly bearing grades As, championship prizes, and college acceptances, and not on purpose, we taught her that we don’t really care how she obtains them. We taught her to protect her academic and extracurricular perfection at all costs and that it’s better to quit when things get challenging rather than risk losing that perfect record. Above all else, we taught her fear failure. That fear is what has destroyed her love of learning.
1.Both the mother and the teacher have noticed that ________.
A. Alice hates to tell them truth
B. Alice’s test scores are not so good
C. Alice chooses several subjects to learn
D. Alice doesn’t enjoy studying any more
2.What does the underlined word “torn” mean in the passage?
A. pained to choose B. guilty to quit C. tired to manage D. certain to decide
3.What does the teacher think of the girl?
A. Her academic perfection resulted from her character.
B. She is a gifted girl with spirits of challenging.
C. She is perfect in her character development.
D. Her academic performance is great.
4.What leads to the girl’s change?
A. A few failure experiences. B. Fear of failing getting good grades.
C. Her mother’s over-protection. D. Her not being accepted by colleges.
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科目:高中英語 來源:寧夏石嘴山市2016-2017學(xué)年高一下學(xué)期第一次月考英語試卷 題型:完形填空
A Leap(跳躍)to Honor
Leaping on a narrow balance beam(平衡木) is not easy. But Lola Walter, a 13-year-old gymnast, is an expert at it.
To perfect her skills, Lola ________ for four hours a day, five days a week. At the state championships in March, she finished seventh out of 16 girls. That’s especially impressive, ________ she is legally blind, born with a rare condition that causes her eyes to shift (轉(zhuǎn)移) constantly. She often sees double and can’t ________ how far away things are.
When she was little, her mom _________ that even though she couldn’t see _________, she was fearless. So her mom signed her up for gymnastics when she was three. She loved the ______ right away and gymnastics became her favorite.
Though learning gymnastics has been more ______for her than for some of her tournaments(錦標(biāo)賽), she has never quit(放棄). She doesn’t let her ______ stop her from doing anything that she wants to. She likes the determination(決心) it takes to do the sport. Her biggest ______is the balance beam. Because she has double vision, she often sees two beams. She must use her sense of touch to help her during her routine. Sometimes she even closes her eyes. “You have to ______your mind that it’ll take you where you want to go,” says Lola.
To be a top-level gymnast, one must be brave. The beam is probably the most ______ for anyone because it’s only four inches wide. At the state competition, Lola didn’t ______ the beam. In fact, she got an 8.1 out of 10 — her highest score yet.
Lola doesn’t want to be ______ differently from the other girls on her team. At the competitions, the judges don’t know about her vision ________. She doesn’t tell them, because she doesn’t think they need to know. Her mom is amazed by her ______ attitude.
Lola never thinks about______. She is presently at level 7 while the highest is level 10 in gymnastics. Her______ is to reach level 9. She says she wants to be a gymnastics coach to _________ what she’s learned to other kids when she grew up.
Lola is______of all her hard work and success. She says it has helped her overcome problems in her life outside gymnastics, too. Her ______ for others is “just believe yourself ”.
1.A. runs B. teaches C. trains D. dances
2.A. since B. unless C. after D. though
3.A. tell B. guess C. fancy D. predict
4.A. doubted B. remembered C. imagined D. noticed
5.A. deeply B. well C. ahead D. carefully
6.A. task B. sport C. event D. show
7.A. boring B. enjoyable C. difficult D. unsatisfying
8.A. talent B. quality C. nature D. condition
9.A. doubt B. advantage C. challenge D. program
10.A. examine B. express C. open D. trust
11.A. fearful B. harmful C. unfair D. inconvenient
12.A. fall down B. fall over C. fall off D. fall behind
13.A. greeted B. treated C. served D. paid
14.A. pains B. stresses C. injuries D. problems
15.A. positive B. friendly C. selfless D. devoted
16.A. defending B. quitting C. winning D. bargaining
17.A. standard B. range C. view D. goal
18.A. go through B. pass by C. hand down D. give out
19.A. proud B. tired C. ashamed D. confident
20.A. plan B. advice C. reward D. responsibility
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科目:高中英語 來源:2016-2017學(xué)年河北省高一3月月考英語試卷(解析版) 題型:閱讀理解
Unlike most other holidays,the history of April Fools’ Day.Sometimes called All Fools’ Day,is not totally clear.The only point in time that can be agreed on as the beginning of this tradition was 1582,in France.Before that year,the New Year was celebrated for eight days,beginning on March 25.The celebration reached the highest point on April 1.With the reform of the calendar under Charles 1X,the the Gregorian calendar(公歷,陽歷)was introduced,and New Year’s Day was moved to January 1.
However,because in those days communications were not as developed as they are today,many people did not receive the news for several years.Some people refused to accept the new calendar and continued to celebrate the New Year on April 1.These backward people were considered”fools” by other people.They were often sent on “fools” errands(徒勞無益的工作)or were made the targets of jokes.
This developed,over time,into a tradition of playing a trick on someone on the first day of April.The tradition eventually spread to England and Scotland in the eighteenth century.It was later introduced to the American colonies of both the Britain and France.April Fools’ Day thus developed into an international fun feast,so to speak,with different nationalities specializing in their own kind of humor at the expense of their friends and families.
1.According to an earlier calendar,New Year’s Day in France was .
A. March25 B. January 1 C. April 1 D. April3
2.Which of the following first had the tradition of celebrating the April Fools’ Day?
A. France. B. England. C. Scotland. D. America.
3.What was people’s attitude towards the new calendar?
A. They accepted it happily. B. They refused it immediately. C. Some recognized it. D. Some laughed at it.
4.The passage mainly tells us .
A. what the French did on April Fools’ Day B. How April Fools’ Day come into being
C. when was the new calendar introduced D. why some people were fooled in France
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