1. Who is the woman talking with?
| A．Her teacher. | B．Her uncle. | C．Her classmate. |
| A．In New Zealand. | B．In America. | C．In Canada. |
| A．She got hurt in the earthquake. |
| B．She wanted to take a break. |
| C．She took an exchange program. |
| A．In two weeks. | B．In a month. | C．In two months. |
2 . Earth is far more alive than we previously thought, according to “deep life” studies that reveal a rich underground ecosystem beneath our feet that is almost twice the size of all the world’s oceans. Despite extreme heat, no light and intense pressure, scientists estimate it has between 15 billion and 23 billion tonnes of microorganisms. “It’s like finding a whole new reservoir (储藏) of life on Earth,” said Karen Lloyd an associate professor at the University of Tennessee.
Results suggest 70 percent of Earth’s bacteria and archaea exist in the subsurface. One organism found 2.5 kilometers below the surface has been buried for millions of years and may not rely at all on energy from the sun. Also, the methanogen (产甲烷菌) has found a way to create methane in this environment, which the methanogen may not use to reproduce or divide, but use to replace or repair broken parts. Lengths of their lives were completely different. Some microorganisms have been alive for thousands of years, barely moving except with shifts in earthquakes or eruptions. They’re just active inside, with less energy than people thought possible to support life.
The team consists of 1,200 scientists from 52 countries in disciplines ranging from geology and microbiology to chemistry and physics. A year before the conclusion of their study, they will present the findings before the American Geophysical Union’s annual meeting opens this week, which they say are made possible by technical advances on drills and microscopes.
The scientists have been wondering about the point beyond which life cannot exist, but the deeper they dig, the more life they find. There is a temperature maximum—currently 122℃—but they believe this record will be broken if they keep exploring and developing more advanced instruments.
Questions remain, including how the microbes interact with chemical processes, and what this might reveal about how life and Earth coevolved.
1. What do the scientists find about the underground organisms?| A．They can’t reproduce and divide. | B．They’re the oldest living things. |
| C．Some of them consume no energy. | D．Some of them almost always keep still. |
| A．It last for around one year. | B．It involves efforts from many fields. |
| C．It promotes technical development. | D．It is conducted in 52 countries. |
| A．To break their previous record. |
| B．To find the depth limit of life. |
| C．To discover more ancient microorganisms. |
| D．To measure the highest subsurface temperature. |
| A．Earth Depths Are Full of Life. |
| B．Organisms Live Better Underground. |
| C．Earth Is Fat Beyond Human Exploration. |
| D．Subsurface Life Differs from That on Land. |
1.参加中文学习班；
2.看中文书刊，电视；
3.学唱中文歌曲；
4.交中国朋友。
注意：
1. 词数100左右；
2. 可以适当增加细节，以使行文连贯。
Dear Peter,
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4 . In the past decade, the use of social media has grown in a way that no one could have guessed. It has turned some teenagers into celebrities and turned the famous into the infamous, overnight.
A key feature of social media, however, is its volatility. Trends come and go, disappearing almost as quickly as they appeared.
Short video apps such as TikTok and its Chinese equivalent (等同物) Douyin, took the world by storm. The Telegraph reported that TikTok was ranked 8th on Apple’s App Store in April. And Douyin had more than 300 million domestic monthly active users in June, CNBC said.
Why are these short videos — which are rarely longer than a few minutes — so popular? Jiang Yige, Singapore-based analyst at FengHe Fund Management, has a theory. “Short videos are just right to fill in the little gaps in our busy schedules,” he told CNBC.
These videos — apart from being very convenient — are important to teenagers because they allow them to express themselves, according to Teen Vogue.
Liza Koshy, a user of the US app Musical, who has over 2 million followers, said, “The sense of community that users of short video apps get is another appealing feature.”
Live streaming (直播) is a feature of our social media life that now seems as natural as sunrise. It’s a pretty neat idea: You can watch anyone, anywhere, live. However, China has taken live streaming to a whole new level. In China, more than 100 million viewers monthly watch a live streaming video. Forbes thought that a number of factors had led to the popularity of the live streaming. Among them is viewers’ ability to interact with unknown names.
However, the quick development of social media may be having side effects too. Fake news is one serious problem it causes. Materials shared on these platforms are often not checked for accuracy. The most basic content can be false and can mislead users one way or another. We use social media all the time, which doesn’t mean that we understand the influence it is having on us. We should be mindful of both the time we spend on it and its impact on our minds.
1. What does the underlined word “volatility” in Paragraph 2 possibly mean?| A．Being changeable. | B．Being steady. |
| C．Being promising. | D．Being violent. |
| A．They are very convenient. | B．They help people kill time. |
| C．They provide a sense of community. | D．They allow people to express themselves. |
| A．The information from social media is totally reliable. |
| B．When it comes to social media, people only know short videos. |
| C．People can’t communicate with each other without social media. |
| D．There is still much room for social media to make improvement. |
| A．Objective. | B．Subjective. |
| C．Favourable. | D．Disapproving. |
