It’s obvious that our society favors the outgoing personality, so being introverted (内向的) has always been seen as something that needs to be “fixed”. However, there is no fault in being introverted.
Introverts have hidden powers.
Introverts also keep the world balanced. In a world that can’t stop talking, the ability to listen to what each other has to say is an important virtue that will assist us in building peaceful relationships of understanding.
Introverts can self-recharge. Though the outgoing may gain their energy through mixing in crowds, introverts are self-recharging powerhouses.
| A．Unluckily, introverts are faced with a big challenge. |
| B．And this is exactly what our introverts are born with. |
| C．Introverts have shown the potential to be great leaders. |
| D．Extroverted people would have no one to listen to them. |
| E．Instead, we should appreciate introverts for various reasons. |
| F．They don’t need to constantly put themselves out there to be lively. |
| G．Just because we introverts don’t say much doesn’t always mean we’re clueless. |
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【推荐1】You know that squeak(吱吱声)you hear from your pet mouse or the pest mouse? It turns out that it is 'not really a squeak, but a sweet song by male mice to attract females. This is the conclusion reached by biologist Dustin Penn and his team at the Veterinary University of Vienna.
The scientists who have been conducting a series of studies on house mice for a number of years, began by recording the high-pitched(声调高的)sounds male mice made the moment they sensed a female mouse around. What they discovered when they played them back to females was that the ladies could tell between those made by their brothers and the ones made by unrelated males. Just like human, they tended to ignore the ones made by their brothers.
The researchers then took the experiment one step further and analyzed the squeaks. To their surprise they discovered that while the squeaks sounded similar, they each had a different "tune". The biggest surprise of all was that the mice could even learn tunes from each other.
However, not all scientists agree with this finding. Some like Kurt Hammer, a scientist at the German Primate Center believe that the test sample was too small to make such a conclusion.
The researcher's next plan to test if the females care about the quality of the “song”. In some bird species, males that can sing the most complex tunes seem to get the most attention.
So why do we care whether mice can sing or not? Clearly, since they are being used as laboratory testers, it will help us make advances in human speech disorders like the ones found in people suffering from autism(自闭症).
1. What does Dustin Pen describe the squeak made by a male mouse as?| A．A hungry signal. | B．A sad cry. |
| C．A terrible noise. | D．A pleasant sound. |
| A．The male mice. | B．The female mice. |
| C．The squeaks made by the male mice. | D．The squeaks made by the female mice. |
| A．More studies should be made. | B．Mice are intelligent animals. |
| C．The conclusion is reasonable. | D．Mice shouldn't be studied. |
| A．It can find ways to kill mice. |
| B．It can inspire musicians with their work. |
| C．It can help treat human speech disorders. |
| D．It can find ways to select intelligent mice. |
【推荐2】Many people draw wildlife into their backyards by putting out birdseed,small pieces of bread,and other food sources,but experts say doing so can lead to trouble.
Feeding sites bring many different kinds of animals into the same small area,which can turn into a hotbed for the spread of diseases and parasites(寄生虫),says Jeannine Fleegle.He is a wildlife biologist for the Pennsylvania Game Commission.
For example,scientists highly doubt that a deadly disease affecting deer is spread by exposure to urine(小便),saliva,and wastes."Feed used to attract deer will draw turkeys,squirrels,and so on,directly or indirectly,"says Fleegle."And just as feeding sites increase the risk of the outbreak and spread of diseases in deer,these sites will do the same for other species."
"Feeding wildlife is generally a bad idea,no matter what the species or where you are,"says Fleegle.
Wild animals are not pets.Sometimes,the animals can look every bit as cute as a family pet. But all wild animals,even the small ones,are able to cause harm.In fact,food-seeking squirrels bite more people than any other animal in Grand Canyon National Park.
Nutrition is another important factor to consider when deciding whether or not to feed wildlife.Animals will often make use of a reliable or easy food source even if it isn't one that suits their nutritional needs.For example,feeding deer a lot of corn can disturb the natural balance of acid in the animals'stomachs and lead to a condition called grain overload.
Feeding can also change the ways animals move throughout a landscape,affecting their living areas.More animals in one spot can also lead to more fighting and injuries.
So,what about birdfeeders?Just like any other kind of food station,birdfeeders can be wrongdoers in spreading disease.However,it must be pointed out that birdfeeders can also be helpful for biodiversity(生物多样性).In a study recently published in the journal Nature Communications,it has been confirmed.
1. What's the function of the first paragraph?| A．To give us some real examples. | B．To introduce the topic of this text. |
| C．To introduce the writing background. | D．To give us some different viewpoints. |
| A．Feeding is really harmful to certain species. |
| B．Many other animals often fight against deer for food. |
| C．Some feeding sites are too small to hold groups of animals. |
| D．Diseases spread easily among animals at the same feeding site. |
①It can cause harm to humans.②It will greatly improve the biodiversity.
③It could disturb and destroy the balance of nature.
④It might make wild animals get unbalanced nutrition.
⑤It may affect the living areas of animals and cause fighting.
| A．①②③ | B．②③④ | C．①④⑤ | D．②④⑤ |
| A．Most studies support birdfeeders. |
| B．Birdfeeders have both good and bad sides. |
| C．Scientists have proved the harm of feeding birds. |
| D．Birds have a better ability to prevent diseases than deer. |
【推荐3】In an apartment, people are having a party. They’re smiling and chatting with each other; they’re drinking cocktails and enjoying snacks. But the mood lighting is a bit strange. No candles or twinkling Christmas lights here. Instead, the light comes from enormous green-glowing plants in the center of the table.
This is a model inside a museum in New York. The “people” are small silver statues. But the plants are real. They’re watercress planted with nanoparticles (纳米粒) that turn their stored energy into light. It’s a technology developed several years ago by MIT chemical engineer Michael Strano. Now, Strano has partnered with an architect, Sheila Kennedy, to explore how these plants might be a central part of our homes and sustainable energy future.
The plants in the exhibit are newer versions. Their glow is based on an enzyme (酶) called luciferase, which is what gives fireflies their light. Strano and his colleagues first put luciferase and two molecules (分子) that allow it to work inside a nanoparticle carrier. They then immersed plants in a liquid containing the particles, and added high pressure. The pressure pushed the particles into the leaves through tiny pores (气孔).
“For the last two decades, plants have been a part of architecture, but they’ve always been used as green walls or roofs,” Kennedy says. However, the plants in Kennedy’s models fill entire rooms, their leaves and stems going wherever they choose. For her, this project was an interesting design challenge. She and her team had to figure out how to bring in sufficient water and where to contain enormous amounts of soil.
The team is currently working on making the plants brighter and fixing light particles in larger plants such as trees. They’re also eager to extend the duration of a plant’s light from hours to days or weeks.
1. What is special about the apartment according to the first two paragraphs?| A．Plants provide mood lighting for it. | B．It is powered by nanoparticles. |
| C．Real people are enjoying themselves in it. | D．It is modeled after a real one. |
| A．What the model is like. | B．What gives fireflies light. |
| C．How the nanoparticles work. | D．How to make the plants glow. |
| A．Luciferase. | B．Fireflies. | C．Molecules. | D．Pressure. |
| A．The plants grow in restricted space. |
| B．The plants have grown as large as trees. |
| C．The plants still need water and soil. |
| D．The light of the plants can last weeks. |
