Fluency(流利) in another language is one of the most important aims of a newcomer to another country. In addition, understanding the culture and learning to communicate comfortably with people of that culture are as important as learning the rules of the language. Language learning and culture learning go together and may take a long time.
Sometimes people feel that they understand a culture after a few weeks or months. People do learn a lot when they first begin living in another culture, but this is only the first stage of learning. It usually involves(含包) things like learning everyday activities and some basic customs.
To really understand another culture, people have to go beyond the first stage, This is challenge because it is often difficult to know what to learn. Much of what we call “culture” is hard to see.
Culture is like an iceberg. Picture in your mind a huge iceberg in the ocean. The only part of the iceberg that you see is the tip. You don’t see the rest of the iceberg because it is hidden from sight in the water. It is easy to forget that it is there. Most of the iceberg is deep within the ocean, just as much of a culture is deep within its people.
When you meet someone from another culture， certain culture differences are obvious: You hear another language or you hear your own language spoken with an accent. You see different foods, clothes and sometimes physical characteristics of people. You observe new customs or habits, such as the use of chopsticks, and, bowing or kissing on both cheeks as a greeting. These differences are interesting and important, but they are usually not too difficult to understand. They are visible so they are seen easily and quickly.
The part of culture that is like the underwater part of the iceberg consists of assumptions(设想), communication styles, values, and beliefs about what is right and wrong. The hidden part of culture affects much of a person’s way of thinking and communicating. It is the meaning behind his or her verbal (言语的) and nonverbal language. Learning to communicate well with people from another culture involves becoming aware of the hidden part of culture.
【小题1】What’s the subject of this passage?

If we were asked exactly what we were doing a year ago，we should probably have to say that we could not remember. But if we had kept a book and had written in it an account of what we did each day，we should be able to give an answer to the question.
It is the same in history. Many things have been forgotten because we do not have any written account of them. Sometimes men did keep a record of the most important happenings in their country，but often it was destroyed by fire or in a war．Sometimes there was never any written record at all because the people of that time and place did not know how to write．For example，we know a good deal about the people who lived in China 4，000 years ago, because they could write and leave written records for those who lived after them．But we know almost nothing about the people who lived even 200 years ago in central Africa, because they had not learned to write．
Sometimes,of course，even if the people cannot write，they may know something of the past．They have heard about it from older people，and often songs and dances and stories have been made about the most important happenings，and these have been sung and acted and told for many generations .For most people are proud to tell what their fathers did in the past．This we may call ’remembered history’．Some of it has now been written down. It is not so exact or so valuable to us as written history is，because words are much more easily changed when used again and again in speech than when copied in writing．But where there are no written records，such spoken stories are often very helpful．
【小题1】．We know very little about the central Africa 200 years ago because ___

What time is it? Most people are pretty accurate in their answer. And if you don’t know for sure, it’s a very likely that you can find out. There may be a watch on your wrist, there may be a clock on the wall, desk, or computer screen; or maybe you’re riding in a car that has a clock in the dashboard(仪表板).
Even if you don’t have a timepiece of some sort nearby, your body keeps its own beat. Humans have an internal clock that regulates(调节) the beating of our heart, the pace of our breathing, the discharge(排出) of chemicals within our bloodstream, and many other bodily functions.
Time is something from which we can’t escape. Even if we ignore it, it’s still going by, ticking away, second by second, minute by minute, hour by hour. So the main issue in using your time well is, “Who’s in charge?” We can allow time to slip by and let it be our enemy. Or we can take control of it and make it our ally.
By taking control of how you spend your time, you’ll increase your chances of becoming a more successful student. Perhaps more importantly, the better you are at managing the time you devote to your studies, the more time you’ll have to spend on your outside interests.
The aim of time management is not to schedule every moment so we become slaves of a timetable that governs every waking moment of the day. Instead, the aim is to make informed choices as to how we use our time. Rather than letting the day go by, largely without our awareness, what we are going to discuss next can make us better able to control time for our own purposes.
【小题1】The underlined word “ally” in Para. 3 probably means somebody or something that is _____.

ROME: The legend of Leonardo da Vinci is covered in mystery: How did he die? Are the remains buried in a French castle really those of the master? Was the "Mona Lisa" a self-portrait in disguise (伪装)?
A group of Italian scientists believe the key to solving those puzzles lies with the remains, and they say they are seeking permission to dig up the body to conduct carbon and DNA testing.
If the skull is undamaged, the scientists can go to the heart of a question that has fascinated scholars and the public for centuries: the identity of the "Mona Lisa." Recreating a virtual and then physical reconstruction of Leonardo's face, they can compare it with the smiling face in the painting.
"We don't know what we'll find if the tomb is opened. We could even just find grains and dust," says Giorgio Gruppioni, an anthropologist who is participating in the project. "But if the remains are well kept, they are a biological record of events in a person's life, and sometimes in their death." Silvano Vinceti, the leader of the group, said that he plans to press his case with the French officials in charge of the said burial site at Amboise Castle early next week.
Leonardo moved to France at the invitation of King Francis I, who named him "first painter to the king." He spent the last three years of his life there, and died in 1519 at age 67. The artist's original burial place, the palace church of Saint Florentine, was destroyed during the French Revolution and remains that are believed to be his were eventually reburied in the Saint-Hubert Chapel near the castle.
"The Amboise tomb is a symbolic tomb; it's a big question mark," said Alessandro Vezzosi, the director of a museum dedicated to Leonardo in his hometown of Vinci. Vezzosi said that investigating the tomb could help identify the artist's bones with certainty and solve other questions, such as the cause of his death. He said he asked to open the tomb in 2004 to study the remains, but the Amboise Castle turned him down.
The group of 100 experts involved in the project, called the National Committee for Historical and Artistic Heritage, was created in 2003 with the aim of "solving the great mysteries of the past," said Vinceti, who has written books on art and literature.
Arguably the world's most famous painting, the "Mona Lisa" hangs in the Louvre in Paris, where it drew some 8.5 million visitors last year. Mystery has surrounded the identity of the painting's subject for centuries, with opinions ranging from the wife of a Florentine merchant to Leonardo's own mother.
That Leonardo intended the "Mona Lisa" as a self-portrait in disguise is a possibility that has interested and divided scholars. Theories have existed: Some think that Leonardo's taste for tricks and riddles might have led him to hide his own identity behind that puzzling smile; others have guessed that the painting hid an androgynous lover.
If granted access to the grave site, the Italian experts plan to use a tiny camera and radar to confirm the presence of bones. The scientists would then exhume (挖掘) the remains and attempt to date the bones with carbon testing.
At the heart of the proposed study is the effort to discover whether the remains are actually Leonardo's, including with DNA testing.
Vezzosi questions the DNA comparison, saying he is unaware of any direct descendants (后代) of Leonardo or of tombs that could be attributed with certainty to the artist's close relatives.
Gruppioni said that DNA from the bones could also eventually be compared to DNA found elsewhere. For example, Leonardo is thought to have rubbed colors on the canvas with his thumb, possibly using saliva (唾液), meaning DNA might be found on his paintings.
Even in the absence of DNA testing, other tests could provide useful information, including whether the bones belonged to a man or a woman, and whether the person died young or old.
Even within the committee, experts are divided over the identity of the "Mona Lisa."
Vinceti believes that a tradition of considering the self-portrait to be not just a faithful imitation of one's features but a representation of one's spiritual identity may have resonated (共鸣) with Leonardo.
Vezzosi, the museum director, dismissed as "baseless and senseless" the idea that the "Mona Lisa" could be a self-portrait of Leonardo. He said most researchers believe the woman may have been either a wife of the artist's sponsor, the Florentine nobleman Giuliano de Medici, or Lisa Gherardini, the wife of a rich silk merchant, Francesco del Giocondo. The traditional view is that the name "Mona Lisa" comes from the silk merchant's wife, as well as its Italian name: "La Gioconda."  
【小题1】Why does the author ask a couple of questions in the beginning?

I am Sergey Brin! I was born in Moscow. In 1979,when I was 5, my family immigrated to California, USA . I remember that on my 9^th birthday, I got my first computer “Commodore 64”.
Later I graduated with honors in the University of Maryland in Mathematics and IT. The main field of my science research was the technologies used to collect data from unsystematic sources as well as large quantities of texts and science data. I was the author of dozens of articles in leading American academic magazines.
The greatest event in my life happened when in 1998 I was preparing for the defense(论文答辩) of my Doctor’s degree in the Stanford University. There the fate made me meet Larry Page—a young computer genius. Larry belonged to the intellectual society. I and Larry quickly became friends when we were working together.
We were searching day and night on the Internet. We were finding a lot of information but with the feeling we still couldn’t find enough of what we were looking for . Naturally the idea for a search engine that would allow specific information to be found in the endless pool of data was born like it came to us. It wasn’t our plans but we gave up the education at the university. You know the next part ,maybe—we managed to turn an ordinary garage in Peplo Park, California , the USA into our first office, in which Google was born. With excitement we typed the name of the thing which we created with love on September 14^th,1998—www.Google.com. Now after those years we bought this garage. As a symbol it will always remind us that everything is possible.
【小题1】Which of the following would be the best title for this passage?