1 . The connection between people and plants has long been the subject of scientific research. Recent studies have found positive effects. A study conducted in Youngstown，Ohio，for example, discovered that greener areas of the city experienced less crime. In another, employees were shown to be 15% more productive when their workplaces were decorated with houseplants.
What is the first paragraph mainly about?
| A．A new study of different plants. | B．A big fall in crime rates. |
| C．Employees from various workplaces. | D．Benefits from green plants. |
2 . A small bowl bought at a yard sale in Connecticut for just $ 35 has been identified as a rare 15th-century Chinese antique.
The blue-and-white bowl was made by China's royal court during the Ming dynasty. It is now expected to sell for up to $500,000, according to Sotheby's auction(拍卖)house in New York, where the auction will take place next month.
The purchase was made last year near New Haven, Connecticut. “I was just hanging around there aimlessly. But when I saw this bowl, I didn't even bargain over the $35 asking price,” the owner said. Shortly after the purchase, he sent photos of the bowl to auction specialists, who identified it as an item of historical significance.
Upon closer inspection, the artifact was found to have originated from the period of Yongle Emperor, who ruled from 1403 to 1424 - a period noted for its distinctive porcelain (瓷器)techniques. It's now valued between $300,000 and $500,000, with the top estimate nearly 14,300 times the amount it was purchased for.
“I was deeply attracted by the techniques. You can see why this bowl is so highly-valued from the very smooth porcelain body, silky glaze(上釉)and special blue coloring, which were never reproduced in later dynasties,” McAteer, an auction specialist, said.
“The Yongle Emperor improved the porcelain techniques and elevated the importance of porcelain from being an ordinary bowl into a true work of art. This small bowl has both practical and artistic value, ”McAteer said.
1. What can we infer about the bowl's owner?| A．He found the bowl by accident. |
| B．He hesitated during the purchase. |
| C．He doubted whether the bowl was real. |
| D．He bought the bowl because it was cheap. |
| A．The blue color on it. | B．The long history it has. |
| C．The people who made it. | D．The unique techniques used. |
| A．Forsaw. | B．Promoted. |
| C．Assessed. | D．Acknowledged. |
| A．An Amazing Bowl | B．A Special Yard Sale |
| C．The Return of Porcelains | D．A Man Making Fortune |
3 . The phrase “Keeping up with the Joneses" has been an American saying for decades, likely coming from a picture book, which describes a family in a constant straggle to achieve the social status of their neighbors, the Joneses. While the picture book is long gone, the saying remains and the phenomenon still exists.
The Joneses are everywhere, living a successful and wealthy life. Their skin is beautiful, their body is perfect, and they have much money. They have the good house, pets, smart children and they seem never to struggle. For people, the Joneses take the form of a particular family and they regard the Joneses as a description of perfection.
We tell ourselves constantly if we could become someone just like our neighbors, we would be happy. However, as we compare ourselves with others, we notice the deep pain that these comparisons bring about. Well then, what do we do about the Joneses? We should remind ourselves nobody is perfect and perfection is an illusion. So we should train our brains to question or change the distorted (歪曲的) ways of thinking, and see the big picture.
While the methods above do help us see others more clearly, the methods alone won't solve the problem. Moving away from comparison means turning inward to address our insecurities and inviting more mercy. From there, we can honestly begin to notice what we want for ourselves and work to reach those goals. That, finally, is the road to a peaceful mind.
As we move away from the comparative model of judging worth and stop seeing others, success as a treat, we can even feel glad that the Joneses have meaningful careers. We can hope their marriage is happy, their bank account is full, and that their children are successful. We can hope good things happen to the Joneses.
1. What does Paragraph 2 mainly talk about?| A．How "the Joneses" live. |
| B．What your neighbors have. |
| C．Why "the Joneses" are perfect. |
| D．How your neighbors affect you. |
| A．Being grateful to life. | B．Understanding others. |
| C．Gaining peace of mind. | D．Being close to perfection. |
| A．Follow our neighbors. | B．Avoid perfect people. |
| C．Show our love to other people. | D．Treat others with a normal attitude. |
| A．How Do We Become Perfect? |
| B．Should We Keep up with the Joneses? |
| C．How Should We Get on with Neighbors? |
| D．Does the Phenomenon of Comparison Exist? |
4 . Researchers at CU Boulder have developed a wearable device that changes the human body into a biological battery. The device is stretchy(弹性的) enough that you can wear it like a ring, sport band or any other thing that touches your skin. It also taps into a person's natural heat-employing thermoelectric generators to change the body's internal temperature into electricity. "In the future, we want to be able to power your wearable electronics without having to include a battery," said Jianliang Xiao, an associate professor at CU Boulder.
The concept may sound like something out of The Matrix film series, in which a race of robots have enslaved humans to harvest their precious organic energy. Xiao and his colleagues aren't that ambitious: Their devices can generate about 1 volt (伏特) of energy for every square centimeter of skin space-less volt per area than what most existing batteries provide but still enough to power electronics like watches or fitness trackers.
Scientists have previously experimented with similar wearable devices, but Xiao's is stretchy, can heal itself when damaged and is fully recyclable-making it a cleaner alternative to traditional electronics. "Whenever you use a battery, you're depleting(消耗) that battery and will, eventually, need to replace it," Xiao said. "The nice thing about our device is that you can wear it, and it provides you with constant power."
Just pretend that you're out for a jog. As you exercise, your body heats up, and that heat will radiate out to the cool air around you. Xiao's device captures that flow of energy rather than let it go to waste. "The thermoelectric generators are in close contact with the human body, and they can use the heat that would normally be sent into the environment," Xiao said.
1. What does Xiao expect of his device at present?| A．It will be used for medical purposes. |
| B．It will be made smaller and wearable. |
| C．It will change natural power into electricity. |
| D．It will supply constant power to wearable devices. |
| A．To give an explanation. | B．To make a comparison. |
| C．To introduce a topic. | D．To analyze the cause. |
| A．The strengths of Xiao's device. |
| B．The convenience of using a battery. |
| C．The replacement of wearable devices. |
| D．The development of traditional electronics. |
| A．It operates with plenty of power. |
| B．It is designed for practical use. |
| C．It benefits people's health in a way. |
| D．It's based on traditional electronics. |
