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With a headset，VR lets you look around a virtual （虛擬的） space as if you're actually there.Here's something about VR headsets in general to help you choose the best one.

Meta Quest 2 The Meta Quest 2 improves on the original headset in nearly every way possible，and at a more affordable price.Simply put，the Quest 2 is for anyone interested in playing in virtual reality.It has plenty of games and software，and you don't need to connect it into anything except to charge its battery.
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Rate：＄399.00＄

HP Reverb G2 There designed HP Reverb G2 VR headset offers a more comfortable fit and reliable experience，while maintaining the same sharp picture and reasonable price.The Meta Quest 2 is a better overall pick，but the Reverb G2 offers a slightly sharper picture.
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Rate：499.00

HTC Vive Pro 2 The Vive Pro 2 is the sharpest VR headset we've seen yet，with a price to match.If you want the best VR experience available without throwing yourself into professional extremes，the Vive Pro 2 is worth considering.It'll cost you at least ＄1，300，but you'll enjoy amazing visuals and controls.＄
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Rate：1，399.00

Valve Index VR Kit The Valve Index is the most impressive consumer VR headset we've seen yet，entirely due to its brand-new，finger-tracking controllers.This is the go-to VR headset for use with PCs，thanks to its strong performance and excellent controllers.Jump To Details
Rate：＄1，479.99＄

（1）What edge does HP Reverb G 2 have over Meta Quest 2？
C
C

A．Lower price.
B．Longer battery life.
C．Clearer picture.
D．Better controllability.
（2）Which is the best choice for a man who likes finger-tracking controllers？
D
D

A．Meta Quest 2.
B．HP Reverb G 2.
C．HTC Vive Pro 2.
D．Valve Index VR Kit.
（3）What columnist his text probably taken from？
B
B

A．Overseas Education.
B．Sales Promotion.
C．National Economy.
D．Global Geography.

【考點】科技；說明文．

【答案】C；D；B

【解答】

【點評】

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發(fā)布：2024/6/4 8:0:5組卷：0引用：3難度：0.5

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1．"There are more people actively learning a language through DuoLingo than in the entire US public school system." says Luis von Ahn，founder of the free language learning app.Since its launch（投放市場） in 2012，more than 30 million people have downloaded（下載）the app，which gamified education and attracted many language learners.
   The growth of technology for educational use has changed the way in which people learn and receive education.This is particularly true for languages，an area in which the explosion of mobile apps and interactive software has provided choices to a range of people who were previously unable to receive foreign language education.
   Von Ahn says that when he founded DuoLingo he decided to find a way for people to learn a language for free.Free use of languages was something he had a personal interest in addressing：he grew up in Guatemala，where he was surrounded by people all trying to learn English，half of whom were failing to do so and a lot of whom could not afford it.
   One of the big changes caused by tech is the change in language learners.Languages have long been connected with the rich people，but now people from less rich backgrounds are finding affordable ways to learn.
   Von Ahn says an unexpected result of DuoLingo being an app is that it's attracting an unlikely type of user.DuoLingo was designed（設(shè)計）to be like a game，and what the company has found is that many users aren't even necessarily diehard language fans，they're just looking for an educational way to kill some time.
   "They're still procrastinating from something else，but at least it's somewhat useful." says Von Ahn， "The truth of the matter is that learning a language takes months or years.We have to find a way to keep them interested and that's where the gamification came in."

（1）What can we say about DuoLingo after its launch？

A．It is used by entire US schools.
B．It costs 30 dollars to download.
C．It changes the use of languages.
D．It makes education more enjoyable.
（2）Why does the author mention Von Ahn in paragraph 3？

A．To show his poverty in childhood.
B．To explain why he founded the app.
C．To prove he was interested in the app.
D．To find out how he designed the app.
（3）What change does DuoLingo bring to language learners？

A．They can master a language faster.
B．They become language fans totally.
C．They can learn in a low-cost way.
D．They can now use it to kill some time.
（4）Which of the following can be the best title for the text？

A．Reasons for Learning a Language
B．How to Learn a Language Online
C．The Development of a Language App
D．Mastering a Language with DuoLingo
發(fā)布：2024/10/31 3:30:1組卷：22引用：4難度：0.3
解析
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    A smart glass greenhouse used to grow tomatoes features more than 120 patented technologies.Located in Shandong，the demonstration base covers' about 80，000 square meters but requires very few workers.
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（1）How do the drones play a part in farming？

A．Spread the seeds.
B．Work at high altitudes.
C．Improve the working efficiency.
D．Provide early warning in wheat fields.
（2）What does "It" underlined in paragraph 4 refer to？

A．The information.
B．The sensor.
C．The humidity.
D．The robot.
（3）With the help of the advanced technology，farmers can enjoy many benefits EXCEPT

.
A．a(chǎn)pplying big data platform
B．a(chǎn)voiding the use of pesticides
C．producing high-quality plants
D．using huge amounts of energy in winter
（4）Where is the text most likely to come from？

A．A book on eating habits.
B．A magazine about high-tech agriculture.
C．An article on the introduction to drones.
D．An environmental conservation booklet.
發(fā)布：2024/7/27 8:0:9組卷：2引用：1難度：0.5
解析
3．Our solar system might be crazier than we once thought.Scientists say that deep within Uranus（天王星） and Neptune（海王星）it rains diamonds.
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   The diamonds created in the lab were tiny，only a few nanometers（納米）wide.Scientists believe that diamonds would be much larger within Neptune and Uranus.Then they might slowly sink toward the planet's center because of gravity.

（1）What factors are needed to form diamonds？

A．Icy water and gases.
B．Hydrogen and carbon.
C．Extreme heat and pressure.
D．High-powered lasers.
（2）What does the underlined word mean in the last paragraph？

A．Unsuccessful.
B．Natural.
C．Real.
D．Small.
（3）How did scientists prove the theory of forming diamond？

A．By giving examples.
B．By doing experiments.
C．By explaining statistical data.
D．By stating argument.
（4）What can be referred from the text？

A．There are many high-powered lasers in Neptune and Uranus.
B．Scientists long believe that there are diamonds inside Neptune and Uranus.
C．The shockwaves inside Neptune and Uranus crate high pressure and heat.
D．Deep inside Neptune and Uranus could be full of diamonds.
發(fā)布：2024/9/19 9:0:8組卷：5引用：2難度：0.5
解析

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