The world's elderly population is increasing.The number of old people，those who are aged 60 years or older，is expected to more than double in 2050 and is growing faster than the number of all younger age groups across the globe.This trend comes with an increasing demand for caregivers who are able to provide 24-hour care，not only at hospitals or nursing homes，but also at private homes and apartments.
Robotic assistants are expected to become increasingly marketable and reach 450，000 by 2045 because of the expected caregiver shortage in the United States.But Professor Ramses Martinez says，"Unfortunately，the outside hard structure（結(jié)構(gòu)）of recent care-giving robots prevents them from getting along well with each other safely.After all，would you leave old people who are physically or mentally ill in the hands of a robot？"
Recent advances in material science have enabled the fabrication（制造）of robots with bodies that have the ability to reshape themselves when touched.But the complex design，fabrication，and control of soft robots recently hamper people from commercializing this technology and using them at home.
Martinez and the colleagues have developed a new design method that may enable the quick design and fabrication of soft robots using a 3 D printer.The design process needs a few steps.First，a user makes a computer-aided design（CAD）file with the shape of the robot.The user then paints the CAD file to show which directions the different joints of the soft robot will move at.Finally a fast computer program takes a few seconds to change the CAD model into a 3 D architected soft machine printed by a 3 D printer.The architected soft robots move like humans，except that instead of muscles（肌肉），they rely on tiny motors that pull ropes tied to the ends of their hands and legs.They can be squeezed and pulled to more than 900 percent of their initial length."They can perform complex movements with ease，and this work makes a step forward toward the development of autonomous soft robots." Martinez says.The technology is patented.The researchers are looking for partners to test and commercialize their technology.
（1）What does the author mainly want to express in Paragraph 1？ AA
A．That more and more nursing people will be needed!
B．That more hospitals will be built in the future.
C．That the burden on young people will increase greatly.
D．That private homes will be more suitable for the old.
（2）What can be inferred from Professor Ramses Martinez's words？ DD
A．Robots have played a big role in humans' life.
B．Robotic assistants' characteristics have changed a lot.
C．Robots don't know how to communicate with each other.
D．Present care-giving robots aren't very suitable for the old.
（3）What's the main idea of Paragraph 4？ AA
A．The procedure for designing the soft robots.
B．The importance of CAD files to the soft robots.
C．The steps of the soft robots to finish some work.
D．The characteristics and application of the soft robots.
（4）What advantage do the architected soft robots have over the conventional ones？ DD
A．Being much cheaper.
B．Being more solid.
C．Being much lighter in weight.
D．Being more flexible in their movements.
【考點(diǎn)】環(huán)境保護(hù)；說明文．
【答案】A；D；A；D
【解答】
【點(diǎn)評(píng)】
聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復(fù)制發(fā)布。
發(fā)布：2024/5/27 14:0:0組卷：1引用：1難度：0.5
相似題
-
1．Open an app at your smart phone and scan the code bar on the garbage can.When you throw garbage into the garbage can，it will show the weight of the garbage and the points you can get from doing so. （1）
.It will become more popular in the future.Yes，we are talking about the smart garbage can.
（2）.The environmental problems have become constant headaches in the development of those cities.Encouraging garbage classification has become an effective way.
In some cities，a variety of multifunctional smart garbage cans are being put into use.In Beijing，for example，a smart garbage can is equipped with an LED screen，which not only shows national policies on garbage classification but also shows the correct steps for garbage sorting.It can also calculate the weight of the garbage and the accumulated points one can get.They can be traded for some articles of daily use.（3）.Its body is actually a screen.It is equipped with some Internal sensors.When people throw garbage into it，the internal sensors can automatically tell the types of the garbage.Meanwhile，people can see how to deal with them. （4）.
Garbage disposal is a small issue that involves everybody each day.However，it is also a big issue.（5）.With smart garbage cans in our daily life，the idea of garbage sorting will become more established.Our dream of building a greener and more beautiful China will come true so long as we start to make small changes right now.
A.Garbage sorting has been a new fashion.
B.Another kind of garbage can is even smarter.
C.It is no wonder that residents cheered for their presence.
D.Such a way of handling garbage has appeared in some cities.
E.It will affect China's transformation towards green development.
F.Over 200 million tons of garbage is produced each year in some cities.
G.The good habit of garbage classification can improve the living environment.發(fā)布：2025/1/1 15:30:1組卷：1引用：3難度：0.5 -
2．Why Walking Makes You a Better Worker？ We're busy at work，distracted （分） by technology and often live in urban environments far from wild spaces．（1）
The average American，for example，spends about 90% of their life indoors．But what happens if we make time for an hour outside each day？
（2）You'll have to stand up and move，which is beneficial if most of your day involves sitting in front of a screen．Research shows short breaks can improve work enthusiasm，and a quick break in natural light will deliver a shot of vitamin D．
There's also a lot of work on the mental benefits of being in nature-on the state of being happy and on your brain's ability to make sense of life． "When people are all out in nature，even in urban nature，people tend to have more positive emotion and energy than when they are indoors．（3）says Lisa Nisbet ，associate professor at Canada's Trent University．
The idea that nature is good for us has been gaining ground since the 1980s．（4）Afterwards shinrin-yoku，the Japanese concept followed that absorbing the atmosphere in forests can benefit your health．Researchers of shinrin-yoku have since found plenty of physical and mental benefits，while global studies suggest time in nature can，for example，restore our ability to focus，increase creativity，and even help us live longer．
Of course，many of us live in cities with no ready access to forests or wilderness．（5）Various studies have shown that green environments in cities have beneficial effects．
A．We also don't get out much．
B．But it doesn't have to be a forest．
C．People can get to a forest for a hike．
D．In other words，people are happier in nature．
E．There are some obvious benefits to going outside．
F．Green and blue spaces are better than busy city streets．
G．First came the theory that humans have a basic desire to connect with nature．發(fā)布：2025/1/1 17:0:1組卷：6引用：2難度：0.5 -
3．There' s no place like home.It' s the place where we' re surrounded by our possessions and creature comforts.We purchase things to give our homes a personal touch.And one thing we're buying more of is houseplants.But are these "living" additions to our homes good for us and the environment？
Houseplants，also known as pot plants，add a natural touch and they have the ability to brighten up a room on a budget.The Royal Horticultural Society found that nearly 72% of adults in the UK had a houseplant in their home，with this figure rising to 80% of 16-24 year olds.A fifth of owners also said they use plants in the home to boost their health and well-being.And average sales last year were up on the previous year.
It seems millennials （千禧代） are driving the growth in the sales of houseplants.More young people are living in flats without a garden.24-year-old Daisy Hale said "being able to care for something but not having too much commitment—I guess that's a classic millennial line—is ideal for my lifestyle."
From hanging baskets，to cacti （仙人掌） and succulent ferns，the choice of vegetation is endless.They are easy to care for，and there have been unproven claims that they improve the air quality in our home.But whatever their benefits，there are now concerns that they might not be so good for the environment.Some are bought online and shipped from overseas.Fay Kenworthy，co-founder of PlantSwap，a community activity that encourages people to trade plants locally，said "this could defeat many local plants."
But botanist James Wong argues that home delivery has less of an environmental impact than multiple trips to the garden center in a car.Although he' s not too concerned about the environmental impact，others are worried about the plastic pots they are in and the type of peat （泥炭） that some of them are grown in.However，a sustainable approach to buying them may be the best way forward if we want to introduce some natural greenery into our homes.
（1）What is the benefit of a houseplant？
A．A houseplant can cure people of many diseases.
B．A houseplant is ideal for millennials' career.
C．A houseplant improve the water quality in our home.
D．A houseplant can beautify a room with little money.
（2）Which of the following may Fay Kenworthy agree with？
A．The choice of vegetation is endless.
B．People should buy local plants.
C．It's best to buy plants online.
D．Houseplants are hard to care for.
（3）Where is the passage probably from？
A．A fashion magazine.
B．A tour brochure.
C．A scientific fiction.
D．A history book.
（4）What is James Wong's attitude towards home delivery of plants？
A．Negative.
B．Neutral.
C．Positive.
D．Not mentioned.
（5）What is the best title of the passage？
A．Natural Greenery.
B．Millennials' Choice.
C．Houseplants：Good or Bad？
D．Hanging Baskets or a Garden？發(fā)布：2025/1/1 13:0:1組卷：1引用：2難度：0.5
把好題分享給你的好友吧~~