A.which | B.that | C.how | D.where |
-Yes. Scientists found some house sites and tools there.
A.evidence | B.achievement | C.review | D.belief |
A.wouldn’t | B.needn’t | C.had better not | D.might not |
4 . Conifers (针叶树) are generally better than broad-leaved trees at purifying air from pollutants. But deciduous (落叶的) trees may be better at taking in particle-bound pollution. A new study led by the University of Gothenburg shows that the best trees for air purification depend on the type of pollutants involved.
Trees and other greener in cities provide many benefits that are important for the well-being of residents. Leaves and needled on trees filter air pollutants and reduce exposure to poisonous substance in the air. But which trees purify the air most effectively? Researchers from the University of Gothenburg have collected leaves and needle from eleven different trees growing in the same place in the Gothenburg Botanical Garden (GBG) to analyse which cub-stances they have absorbed.
“This tree collection provided a unique opportunity to test many different species of trees with similar environmental conditions and exposure to air pollutants,” said Jenny Klingberg, a researcher of the GBG
A total of 32 different pollutants were analysed, some of which are bound to articles of various sizes. Others are gaseous. This project has focused on paths (多环芳烃). In cities, traffic is the biggest source of these pollutants, which are released due to incomplete burning in engines.
“Our analysis show that different species of trees have different abilities to absorb air pollutants. Conifers generally absorb morn gaseous paths than broad-leaved trees. Another advantage of conifers is that they also act as air purifies in winter, when air pollution is usually at its highest,” said Jenny Klingberg.
“This study contributes to improving our understanding of the ability of trees to clean the air and which species are best at absorbing air pollutants,” said Jenny Klingberg. This known-edge is important for urban planning when designing sustainable cities. While trees and green-era can contribute to better air quality in cities, at the end of the day, the most important measure is to reduce emissions.
1. Which is the determining factor in choosing the most suitable tries to purify air?A.Air quality. | B.Geographical location. | C.The height of plants. | D.The kind of pollutants. |
A.To compare their shapes. | B.To create a tree collection. |
C.To figure out what they absorb. | D.To display them on exhibition. |
A.Fuel vehicle’s. | B.Electric engines. | C.Traffic accidents. | D.Complete burning. |
A.Decreasing emissions. | B.Planting more conifers. |
C.Raising public awareness. | D.Designing sustainable cities. |
5 . There are some 7,000 languages spoken worldwide, each unique, using different sounds, vocabularies and structures. Charles the Great said: “To have a second language is to have a second soul.” This begs the question: Does the language we speak shape who we are? As it turns out, yes.
In societies such as the United States or Western Europe, self-expression and language precision are valued. Asian cultures, on the other hand, prefer an indirect form of communication. Words like “perhaps” and “maybe” are used more than “yes” or “no”. Americanism takes an informal approach to communication. Therefore, it’s OK to refer to a stranger or the boss as “you”. However, the Thai language has 12 forms of the same pronoun, choosing one depends on status. In this way, languages are essential in leading any culture, be that our own or otherwise.
People who speak different languages notice different things, depending on the constructs of their mother tongue. Take an accident. In English, it’s OK to say: “She broke the glass.” But in a language like Spanish, you’d probably go with: “The glass broke.” The same incident produces two different responses. English speakers will remember who’s at fault, because their language asks them to, while Spanish speakers are more likely to remember it was an accident. This has real consequences, especially when it comes to crime and punishment.
Professor Jim Cummins has written extensively on mother tongues. For Cummins, the stronger our home language, the easier it is for us to learn others. Of course, research also shows that being bilingual gives people many advantages in life. Linguist Julien Leyre writes that learning another language develops our ability to “understand the mental world of another person, based on the language they use, and how that world is different from our own.”
Our mother tongue is central to how we think, what we know and who we are. Like us, languages are living things that change over time and must be cared for to survive. By doing so, we protect not just the linguistic structures or vocabularies we use, but the culture, knowledge and power behind them.
1. Why does the author mention “Americanism” and “the Thai language” in Paragraph 2?A.To tell the cultural differences between them. |
B.To indicate a language is a guide to a culture. |
C.To stress American expressions are informal. |
D.To reveal a language is associated with status. |
A.They will seek blame. | B.They will punish others. |
C.They will avoid responsibility. | D.They will draw a lesson from it. |
A.They enjoy a more colorful life. | B.They can remain mentally healthy. |
C.They find it easier to learn a language. | D.They can gain insight into others’ minds. |
A.How do languages differ? | B.Will your language be extinct? |
C.Why does our mother tongue matter? | D.Should we speak a second language? |
Advertising gives useful information about which products to buy. But modern advertising gives more than
For example, you probably do not need the newest cereal in the supermarket, because there are probably many cereal brands
The ancient art form—Peking Opera is the essence of Chinese culture, which shows traditional Chinese values, such as loyalty, modesty and honesty.
The saying about Peking Opera still rings true: one minute of performance
Nadim Diab, or Li Long as his Chinese name, a Lebanese who lives and works in Beijing,
He started from zero to perform as a Peaking Opera actor, which was very difficult, such as leg stretching
The 32-year-old Diab,
“Beauty and difficulty are two sides of
Different countries have wildly different forms of greeting.
In the USA, when you pass by someone you know, a nod is acceptable, and you usually shake hands with someone you first meet. But in Latin countries, a firm handshake
During my first week in the USA, I kissed every single girl I met. My friends had to tell me that that was inappropriate,
Wouldn’t it be
A.put off | B.dropped off | C.turned off | D.shut off |
10 . The jobs of the future have not yet been invented.
Your children need to be deeply curious.
True creativity is the ability to take something existing and create something new from it.
Understanding how others feel can be a challenge for kids. We know what’s going on inside our own head, but what about others? Being able to read people helps kids from misreading a situation and jumping to false conclusions.
A.Encourage kids to cook with you. |
B.And we can’t forget science education. |
C.We can give kids chances to think about materials in new ways. |
D.So how can we help our kids prepare for jobs that don’t yet exist? |
E.Gardening is another great activity for helping kids develop this skill. |
F.We can do this in real life or ask questions about characters in stories. |
G.Being able to communicate ideas in a meaningful way is a valuable skill. |