Experience the newly opened Grand Canyon (大峽谷) West Skywalk in Colorado. Departing from Grand Canyon’s South Rim by Airplane to Grand Canyon’s West Rim, you will land and take a ground tour to the Skywalk! Walk on air for 70 feet over the edge of Grand Canyon West.
This Skywalk has been open since March 28, 2007. Daily visitorship to the Skywalk has been over 4,000 people. Please be patient to enjoy your moment on the Skywalk.
After you have experienced the one and only Grand Canyon Skywalk Glass Bridge, you will return to the Grand Canyon West Airport and take your Airplane for a flight back to the South Rim of the Canyon. This is a tour never to be forgotten as you will have walked on air over the Grand Canyon.
Tour Itinerary (行程)

What will people die of 100 years from now? If you think that is a simple question, you have not been paying attention to the revolution that is taking place in bio-technology(生物技術(shù)). With the help of new medicine, the human body will last a very long time. Death will come mainly from accidents, murder and war. Today's leading killers, such as heart diseases, cancer, and aging itself, will become distant memory.

    In discussion of technological changes, the Internet gets most of the attention these days. But the change in medicine can be the real technological event of our times. How long can humans live? Human brains were known to decide the final death. Cells(細(xì)胞) are the basic units of all living things, and until recently, scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cells, such as those of brain cells, would not last forever. But the upper limits will be broken by new medicine. Sometime between 2050 and 2100, medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs(器官). The medicine, made up of the basic building materials of life, will build new brain cells, heart cells, and so on---in much the same way our bodies make new skin cells to take the place of old ones.

    It is exciting to imagine that the advance in technology may be changing the most basic conditional human existence, but many technical problems still must be cleared up on the way to this wonderful future.

56. According to the passage, human death is now mainly caused by _______.

A. diseases and aging                B. accidents and war

C. accidents and aging               D. heart diseases and war

57.In the author's opinon, today's most important advance in technology lies in _____.

A. medicine         B. the internet          C. brain cells        D. human organs

58. Humans may live longer in the future because ______.

A. heart disease will be far away from us            B. human brains can decide the final death

C. the basic materials of cells will last forever     D. human organs can be repaired by new medicine

59. We can learn from the passage that _____.

A. human life will not last more than 120 years in the future

B. human have to take medicine to build new skin cells now

C. much needs to be done before humans can have a longer life

D. we have already solved the technical problems in building new cells.

Please ____ the mistakes in my composition.

What will people die of 100 years from now? If you think that is a simple question, you have not been paying attention to the revolution that is taking place in bio-technology(生物技術(shù)). With the help of new medicine, the human body will last a very long time. Death will come mainly from accidents, murder and war. Today's leading killers, such as heart diseases, cancer, and aging itself, will become distant memory.

   In discussion of technological changes, the Internet gets most of the attention these days. But the change in medicine can be the real technological event of our times. How long can humans live? Human brains were known to decide the final death. Cells(細(xì)胞) are the basic units of all living things, and until recently, scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cells, such as those of brain cells, would not last forever. But the upper limits will be broken by new medicine. Sometime between 2050 and 2100, medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs(器官). The medicine, made up of the basic building materials of life, will build new brain cells, heart cells, and so on---in much the same way our bodies make new skin cells to take the place of old ones.

   It is exciting to imagine that the advance in technology may be changing the most basic conditional human existence, but many technical problems still must be cleared up on the way to this wonderful future.

According to the passage, human death is now mainly caused by _______.

A. diseases and aging                B. accidents and war

C. accidents and aging               D. heart diseases and war

In the author's opinion, today's most important advance in technology lies in _____.

A. medicine      B. the internet     C. brain cells    D. human organs

Humans may live longer in the future because ______.

A. heart disease will be far away from us

B. human brains can decide the final death

C. the basic materials of cells will last forever

D. human organs can be repaired by new medicine

We can learn from the passage that _____.

A. human life will not last more than 120 years in the future

B. human have to take medicine to build new skin cells now

C. much needs to be done before humans can have a longer life

D. we have already solved the technical problems in building new cells.

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You might think body language is universal. After all, we're the same species, right? But basics like what is considered a polite greeting and definitions of "personal space" vary widely from culture to culture. Americans, for instance, are considered rather reserved in the way they greet friends, and they define personal space more broadly than most other cultures. Knowing how another culture's basic body language differs from yours may be of use next time you travel internationally.

Mind how you meet and greet. Americans and Canadians, male and female, tend to greet each other with a nice firm handshake. In Asian countries, the polite form of greeting is to bow, and the lower you bow, the deeper respect you have for the person you are bowing to. In Spain, Portugal, Italy and Eastern Europe, men kiss each other on the cheek.

Be careful about eye contact. In America, intermittent(斷斷續(xù)續(xù)的) eye contact is preferable in a conversation--unless it's someone you care deeply for. In Middle Eastern countries, intense prolonged(持久的) eye contact is the norm, and the person you're speaking with will move very close to you to maintain it. The Japanese, on the other hand, consider it an invasion of privacy, and rarely look another person in the eye.

Americans, in general, smile when they meet or greet someone. Koreans, however, think it's rude for adults to smile in public--to them, smiling in public is a sign of embarrassment.

Don't point. Most Americans think nothing of pointing at an object or another person. Native Americans consider it extremely rude to point with a finger, and instead they point with their chin. It's also rude to point with a finger in China; the polite alternative is to use the whole hand, palm facing up.

Give the right amount of space. In Asian cultures, particularly China, the concept of personal space (generally defined in America as a three-to-four-foot circle for casual and business acquaintances) is nearly nonexistent. Strangers regularly touch bodies when standing in line for, say, movie tickets. People in Scandinavian countries, on the other hand, need more personal space than we do.

Title: How to (71)_______ Body Language in Different Cultures