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题型:阅读理解 题类:常考题 难易度:普通

浙江省金丽衢十二校2020届高三下学期英语第二次联考试卷

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    Scientists in the U.S. have created an artificial sunflower less than 0. 04 inches wide that can bend towards a light source and harvest solar energy. The flowers were found to be about 400 percent more efficient than other equipment, making them promising technology for solar power potentially even as a power source for solar-based spaceships.

    The team, led by researchers from the University of California, Los Angeles, was looking to improve the efficiency of solar cells by modeling after a feature of nature-phototropism. This is where a plant adjusts itself to face the sun, getting the most amount of energy it can get. In a study published in Nature Nanotechnology, the team said it was a ''big challenge''.

    However, this problem has now been overcome. The team has developed a polymer (聚合物) that is responsive to being simulated by light, The system, which they have named SunBOT for short, is able to instantly explore and track a light source. It can do this across a range of temperatures without power supply or any human intervention.

    The researchers used the polymer to create a ''stem''. Then they placed a material commonly used in solar cells on its top, representing the ''flower''. When the team shone a light at the SunBOTs, the polymer began heating up and shrinking, causing the stem to bend so the flower faced the light.

    The researchers tested their artificial sunflowers to see how efficient they were at harvesting solar energy Findings showed they were up to 400 percent more effective than non-phototrophic materials.

    The practical applications of SunBOTs are some way off. The study shows a proof of concept, but the technology will need to be scaled up to be used commercially. However, the team is confident it could one day be used a across a broad range of industries.

    This work may be useful for solar harvesters signal revere smart windows, self-contained robotics solar sails for spaceships and intelligent energy generation (for example, solar cells and biofuels), the scientific team said.

(1)、Why do the scientists create the artificial sunflower?
A、To prevent pollution. B、To protect sunflowers. C、To reuse green energy. D、To warn us of the energy crisis.
(2)、What can we learn about SunBOTs?
A、SunBOTs are likely to be too limited in future use. B、There is some time before SunBOTs are put into markets. C、Scientists are still not sure of the function of SunBOTs. D、SunBOTts are not efficient, though advanced, in collecting energy.
(3)、Where can we read such a text?
A、In an education report. B、In a market report. C、In an experiment report. D、In a science report.
举一反三
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Weekend Photography Workshop(研讨班): Seattle Aims

Learn new techniques from a great photographer

Take photos of Pike Place Market, Bainbridge Island, and more

Activity Details

    Seattle is a fantastic place to photograph. Spend the weekend taking photos of the historic Pike Place Market, get a new angle on the Space Needle, and photograph harbor views on Bainbridge Island.

    This workshop is led by a great photographer and a professional instructor and is designed for people who are interested in improving their digital photography. All participants must bring a digital SLR camera(单反相机), a laptop, and the software for organizing and presenting images. The workshop is limited to 25 participants.

Plan – 3 Days

Day 1—Thursday: Seattle

    Settle into our hotel or stay in accommodations of your choice. Gather tonight at a restaurant in town for a welcome dinner.

Day 2—Friday: Pike Place Market & Pioneer Square

    Start the day in the classroom with an instructive talk by our photographer. Our first task this afternoon takes us to the oldest running farmers' market in the country, Pike Place Market. Work on portraits, street scenes, and food photographing. Then photograph the stately 19th century brick buildings of Pioneer Square, Seattle's historic center. End the day with an edit-and-critic meeting.

Day 3—Saturday: Olympic Sculpture Park & Space Needle

    Head out to the Olympic Sculpture Park. Then go to the streets of the downtown area to get a unique view of the Space Needle, and photograph city life against a background of diverse architectural styles. Tonight, we'll present our best images to the group, enjoy dinner at a local restaurant and end our journey.

Cost

With hotel

Without hotel

$2,020

$1,395

    Meals noted in the plan are included in both options(with and without hotel)

Dates

Jul 11 – 14, 2013     Aug 08—11, 2013       Sep 26 – 29, 2013

Contact Information

    For questions about this workshop, please call 1-886-797-4686. Or you can visit the website: http://www. nationalgeographicexpeditions.com.

阅读理解

    China Merchants Bank Co Ltd has teamed up with ride-hailing major Didi Kuaidi to provide automobile financing and expand its reach in China's booming mobile payment industry.

    The two have inked a comprehensive partnership, which includes a strategic investment by the former in the latter. Under the partnership, CMB will become the first bricks-and-mortar bank that can offer in-app credit card payments to Didi users. At present, users of Didi can only choose third-party payment solutions like WeChat Payment and Alipay to pay cab fares.

    Zhao Ju, vice-president of CMB, said the cooperation with Didi was an important step in its mobile Internet finance strategy. “CMB's mobile payment is going to enter a new chapter by leveraging Didi Kuaidi's vast user base," he said.

    According to a report by China Internet Network Information Center earlier this month, Didi holds 87.2 percent of China's private car hailing market. The company said it has received 1.43 billion car-hailing requests on its platforms in 2015, which means 1.43 billion payments were made via smartphones.

    CMB is expected to use Didi to reach the core users of China's mobile payment market. Jean Liu, president of Didi, said many of the expats prefer payment by credit card rather than Alipay or WeChat. "The new partnership will help improve service quality and customer loyalty," she said. The investment makes CMB part of Didi's existing investors, including Tencent Holdings Ltd, Alibaba Group Holding Ltd and China Investment Corporation. Both of the companies declined to reveal the actual amount of the investment.

    Liu, who showed up on Tuesday for the first time in public after her treatment for breast cancer, said the cooperation with CMB is for the long run and "the capital investment is only part of it".

    Under the partnership, CMB and Didi will cooperate on a wide range of initiatives on financial services and online-to-offline cooperation. Apart from the in-app credit card payments, the two companies are going to launch joint credit cards in late February and automobile financing services for Didi's car owners. CMB's branches across China are expected to help Didi recruit more drivers.

    "There is a lot of room for imagination in our partnership," Li said, adding in future people may use their CMB credit card reward points to pay for the ride on Didi.

    Li Chao, an analyst with iResearch Consulting Group, said the partnership may not significantly boost CMB's mobile payment business. "Didi has educated the market for three years and its customers have formed the habit of paying by WeChat or Alipay. So I think CMB can only turn a very smart proportion of Didi users into its payment customer," he said. "But the move shows that China's traditional banking industry is finally thinking out of the box and looking for outside partners in Internet finance competition," he said.

    Statistics from Big-Data Research showed that more than 90 percent of China's 9.3 trillion yuan ($1.41 trillion) worth of third party mobile payment market is donated by Alibaba and Tencent.

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    Finding time to read is an important part of developing reading and writing skills for all kids. And there are many easy and convenient ways to make reading a part of each day — even when it's tough to find time to sit down with a book.

    Car trips, waits in checkout lines and the doctor's office are all opportunities for reading. Keep books or magazines in your car, or backpack to pull out whenever you're going to be in one place for a while. Even if you can't finish a book, read a few pages or discuss some of the pictures.

    Encourage kids to bring favorite books and magazines along wherever you go. While it's attractive to provide electronic games and readers, be sure to alternate electronic media with plenty of opportunities to read traditional print books.

    Reading opportunities are everywhere you go. While riding in the car, for example, encourage kids to spot words and letters (on billboards, store signs, etc.), turning it into a game (“Who'll be the first to find a letter B?”).

    Even daily tasks like cooking can provide reading moments. Kids can assist you as you cook by telling you how much flour to measure. Give your child a catalogue to read while you sort through the mail. Ask relatives to send your child letters, e-mail, or text messages, and read them together. Help your child create letters or messages to send back to the relatives. These types of activities help kids see the purpose of reading and of print.

    Even when you're trying to get things done, you can encourage reading. While cleaning, for instance, you might ask your child to read a favorite book to you while you work.

    Make sure kids get some time to spend quietly with books, even if it means cutting back on other activities, like watching TV or playing video games.

    Most important, be a reader yourself. Kids who see their parents reading are likely to imitate them and become readers, too!

阅读理解

    From the loss of wildlife to rising sea levels, we're all well aware of the problems that climate change could cause.

    But while it may seem like such issues won't affect most of us directly,it looks like future generations could grow up without something that many of us now take for granted: chocolate.

    According to an essay published by the US National Oceanic and Atmospheric Administration, changes to the climate in the regions that produce cacao - the plant from which chocolate is produced - may mean that it will soon become extinct.

    Most of the world's cacao grows in countries close to the equator,with over half of it growing in the African nations of Ghana and Ivory Coast.

It's predicted that by 2050, climate change will have accelerated the rate at which temperatures in these countries rise, making it extremely difficult for cacao to grow there.

    The problem doesn't lie in increased heat, however,but in lower humidity (湿度),as it's believed that rainfall will stay at the same level if the temperature rises.

    “In other words, as higher temperatures squeeze more water out of soil and plants, it's unlikely that rainfall will increase enough to offset the moisture (含水量) loss,” Michon Scott, the essay's author, wrote.

    To help fight this problem, researchers from Berkeley University in the US are working on changing the DNA of cacao plants to allow them to survive in dryer conditions by using gene editing technology, according to US News.

    In the meantime, US company Mars, one of the world's biggest manufacturers of chocolate products, announced in January that it would spend $1 billion to help reduce the effects of climate change.

    “This is a world issue, and it requires everyone to work together,” Mars spokesperson Barry Parkin told Business Insider.

    The message here is that if we all do our part, we may be able to prevent some of the worst impacts of climate change. Or if we're unlucky, chocolate will become a thing of the past.

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