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Dear friends£®
I am glad to know you will come to Taixing. I'll tell you something about our school life.
At school, _______________________________________________________________
In our free time, we often work as volunteers. __________________________________
However, we still have some problems. _______________________________________
In my opinion, _____________________________________________________________
Welcome to my hometown. I hope you will have a good time here.
Yours
Li Lei
¡¾´ð°¸¡¿Dear friends£®
I am glad to know you will come to Taixing. I'll tell you something about our school life.
At school, we get along well with our teachers. The students often help and learn from each other. We listen carefully in class and hand in our homework on time after class. There is an art festival at our school every term. Students can watch different types of films and enjoy different art forms. We feel excited about it and we also learn a lot at the festival.
In our free time, we often work as volunteers. Sometimes, we help clean up the parks to keep them beautiful. Besides, we go to the home for the elderly. We help the old people do some cleaning and shopping. This brings them a lot of pleasure.
However, we still have some problems. Some students often stay up to complete their homework. Some students don¡¯t have a healthy diet. These are harmful to our health.
In my opinion, we should manage our time better and eat more fruit and vegetables. It¡¯s better for us to form a good habit.
Welcome to my hometown. I hope you will have a good time here.
Yours,
Li Lei
¡¾½âÎö¡¿
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¡¾ÌâÄ¿¡¿Complete the sentences with the given words in their proper forms£¨ÓÃÀ¨ºÅÖÐËù¸øµ¥´ÊµÄÊʵ±ÐÎʽÍê³ÉÏÂÁоä×Ó£¬Ã¿¿Õ¸ñÏÞÌîÒ»´Ê£©
¡¾1¡¿Scientists are trying to establishing more______for their argument. (proof)
¡¾2¡¿Sue has already graduated from university in her early_____. (twenty)
¡¾3¡¿The twin sisters are only five years old, but they can take care of______. (they)
¡¾4¡¿People speak different______of English in different parts of Britain. (vary)
¡¾5¡¿¡°How are you?¡± is a very______question. It¡¯s a question that often doesn¡¯t need an answer. (usual)
¡¾6¡¿Studying abroad has made me much more______in many ways. (depend)
¡¾7¡¿If you really want to______, you will have to work very hard. (success)
¡¾8¡¿She didn¡¯t stop mopping the floor until it became _______clean. (spot)
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¡¾ÌâÄ¿¡¿This is why many Chinese adults continue with their parents.
A.to liveB.liveC.to livingD.be lived
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¡¾ÌâÄ¿¡¿¡ªDid you hear that Godfrey, a famous actor died ____ SCD (ÐÄÔ´ÐÔâ§ËÀ) in November?
¡ªYes. What a pity it is! He is only in his _____.
A.of; thirtiethB.of; thirtiesC.from; thirtiethD.for; thirties
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¡¾ÌâÄ¿¡¿ It¡¯s normally sad to hear something is ¡°downgraded (½µ¼¶)¡±. But when the International Union for Conservation of Nature (IUCN, ¹ú¼Ê×ÔÈ»±£»¤ÁªÃË) downgraded the giant panda on its Red List in 2016, the whole world was h¡¾1¡¿.
The Red List r¡¾2¡¿ the world¡¯s species(ÎïÖÖ) and points out which ones are at the risk of extinction (Ãð¾ø). Since the 1990s, the giant panda has been ¡°endangered¡±. Now its level has been lowered to ¡°vulnerable (´àÈõµÄ)¡±. Researchers believe there are now nearly 2,000 giant pandas l¡¾3¡¿ in the wild of China. The number was 1,600 in 2003 and 1,200 in the 1980s.
The i¡¾4¡¿ in the panda population is mainly because of China¡¯s efforts to save the cute fuzzy animal. Since 1958, China has s¡¾5¡¿ up 67 nature reserves for pandas. There they are kept safe and enjoy enough fresh b¡¾6¡¿.
China has also welcomed international o¡¾7¡¿ that wish to study pandas. The first such visit was in 1979 by the World Wildlife Fund (WWF). Its world-famous logo(ͼ±ê) uses the picture of panda, which has brought the animal to the a¡¾8¡¿ of the whole world.
China also sends pandas to other countries as special ¡°ambassadors (´óʹ)¡±. The money that foreign zoos p¡¾9¡¿ helps with China¡¯s efforts to save pandas.
¡°The recovery of the panda shows that when science, politics and... local communities come together, we cans¡¾10¡¿ wildlife,¡± WWF Director General Marco Lambertini told CNN.
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¡¾ÌâÄ¿¡¿ AI£¨È˹¤ÖÇÄÜ£©products are not new. However, researchers have been working to improve the technology. Now virtual£¨ÐéÄâµÄ£©assistants, like Siri and Alexa, can have short conversations with us. AlphaGo taught itself to play Go and became better than the top human players.
Now an AI system £¨ÏµÍ³£©has been tasked with passing a multiple-choice £¨¶àÏîÑ¡Ôñ£© exam. The goal is to improve machines' language understanding and logic£¨Âß¼£©with so-called computer vision£¨ÊÓ¾õ£©.
A system named Aristo was developed by the Allen Institute for AI, a lab in the United States city of Seattle. It recently passed an eighth-grade science exam taken by many US students. The New York Times reported. It correctly answered more than 90 percent of the questions. Then it was given a twelfth-grade exam, it scored more than 80 percent.
It's an example of the progress in AI development. Four years ago, 700 computer scientists tried to develop AI systems that could pass these kinds of exams. None scored higher than 60 percent.
Aristo was able to pass the exams because it can not only understand language but also use logical thinking to solve difficult problems. For example, it can understand what a forest fire is and how it could endanger animals like squirrels or make the food supply they need less.
The system used BERT, a kind of neural £¨Éñ¾µÄ£©network technology developed by Google, to answer the questions. BERT has "read" thousands of English articles. If it looks at a sentence with a missing word, it can correctly guess what the word is. With BERT¡¯ s help. Aristo "read" many multiple-choice questions and answers. Over time, it was able to find logical patterns on its own.
It may still be in the earliest stages, said Jingjing Liu, a Microsoft researcher who has been working on similar technologies. ¡°We can't compare this technology to real human students and their ability to reason."
However, Aristo's success means that Al systems are getting better at understanding users, and we might see improved search engines and hospital databases £¨Êý¾Ý¿â£©in the near future.
¡¾1¡¿Why did scientists develop Aristo?
A.To make better multiple-choice exams.
B.To improve AI's ability to teach itself.
C.To shorten the time AI needs to "read" information.
D.To improve the language understanding and logic of AI.
¡¾2¡¿What can we know about Aristo from its exam results?
A.It was smarter than most US students.
B.It could only deal with science questions.
C.It was best at understanding English.
D.It did better than other AI systems in similar tasks.
¡¾3¡¿The sixth paragraph mainly talks about how__________ .
A.Aristo teaches itselfB.Aristo reads English articles
C.Google developed BERTD.difficult it was to design Aristo
¡¾4¡¿What can be learned from Jingjing Liu's words?
A.AI will soon take the place of humans in many tasks.
B.Aristo still cannot compare to human reasoning skills.
C.Humans can't live without Al in the future.
D.Aristo can score more than 80 percent in a twelfth-grade exam.
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SueandJimwereneighboursforfiveyearsbuttheywereneverinterestedineachother.Then oneday,SuesawJim¡¯smusiccollection.ShenoticedararepunkrockCDthatshealsoowned. Atthatmoment,sherealizedthattheybothhadthesameinterestin musicandtheystarted talking. Suesaid, ¡°Ithoughtwehadnothingincommon until IsawhisCDbytheNewYorkDolls.¡± Theyarenowmarriedandlivingwitheachother.
Somepsychologists(ÐÄÀíѧ¼Ò)thinkthatyourtasteinmusicis relatedto(ÓÐÁªÏµµÄ)your personality.AspartofatestattheUniversityofTexas,Austin,USA,volunteers createdaCDof theirfavouritesongs.Thevolunteersthenlistenedtoeachother¡¯sCDsandmadeguessesabout theCDcreator¡¯spersonality¡ªoutgoing,adventurous,happy,andsoon.Thesestrangerscorrectlyguessedmuchmoreabouteach other¡¯s personalities throughtheirCDsthanthroughtheirclothesor tasteinfilms.Forexample,SueandJimlovepunkmusic,whichmeanstheyhaveoutgoing personalities.
ThepsychologistswhodidthetestfoundSnoopDogg(hip-hop)fansarelikelytobe energeticandtalkative.PeoplewholikeU2(rock/popmusic)aregenerallyindependentandadventurous.
ThepsychologistsalsofoundthatLouisArmstrong(jazz)fanstendto(ÇãÏòÓÚ) beshy.Thepsychologistsweresurprisedtofindthatrapandheavymetalfanswerealsoshierandquieterthanmanyothermusiclovers.
Title:Musicand¡¾1¡¿ | |
Anopinion | *Your¡¾2¡¿inmusicisrelatedtoyourpersonality. |
Findings | *One¡¯sclothesortasteinfilmsis¡¾3¡¿importantthanhis/herCDsinatestofguessingaboutone¡¯spersonality. *Itislikely thathip-hopfansareenergeticandtalkative. *Peoplewho like rockorpopmusicareusuallyindependentandadventurous. *Jazzfanstendtobeserious andintelligent. *It¡¯s surprisingthatrapandheavymetalfansareshierandquieterthan manyothermusiclovers. |
An¡¾4¡¿ | * Through SueandJimwereneighboursforfiveyears,theywereneverinterestedineachother. *AfterSuenoticedtheybothhadrarepunkrockCDs,shefound theyhad¡¾5¡¿incommon. *Theyarenowmarriedandlivingwitheachother. |
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On the Internet, I ________ ________ information, did my homework and checked my email.
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________ ________ other years, we received many more photos this year.
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He has ________ ________ those newspapers.
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From 2008 on, he ________ a lot ________ his foot problem, but he did not give up.
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We have celebrated the National Day ________ ________.
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¡¾1¡¿Tom fell off when playing soccer. Luckily, he was not hurt ___________(bad)
¡¾2¡¿Most people regret ____________(argue) with their parents after growing up.
¡¾3¡¿Both Yao Ming and James are basketball ____________(hero) who are admired by many fans.
¡¾4¡¿Mother¡¯s Day is on the _____________(two) Sunday in May.
¡¾5¡¿The advice from the engineer is ______________(value). It helped the factory save time and money.
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