A．The man should have called her relatives.B．She has visited San Francisco before

A. The man should have called her relatives.
B. She has visited San Francisco before.
C. She won"t need a tour guide.
D. She isn"t looking forward to her trip.

An introductory sentence for a brief summary of the passage is provided below. Complete the summary by selecting the THREE answer choices that express the most important ideas in the passage. Some sentences do not belong in the summary because they express ideas that are not presented in the passage or are minor ideas in the passage. This question is worth 2 points. Dorothy Crowfoot Hodgkin led a fruitful life and her success can be attributed to overcoming numerous hardships combined with her natural talents Answer Choices A. Unlike other children, she led a childhood which was full of opportunities to do chemistry experiments. B. Her studies at Oxford and Cambridge university laid a solid foundation for her great achievements later in life. C. After college, she carried on with more challenging research at Oxford university. D. In the 1950s and 1960s, she discovered the structures of penicillin and insulin, which were the greatest achievements in her life. E. In 1937, she received her doctorate and married Thomas Hodgkin. F. A past event with an old friend contributed to her future life in chemistry to some degree.

Why does the author mention so many events in Paragraph 12？

A. To show that migration exerts a great impact on population change.
B. To illustrate that migration contributes to mankind"s progress.
C. To reveal that migration is generally associated with great occurence.
D. To explain that migration may not be accompanied by human conflicts.

A．Business courses have become popular.B．The school only offers business courses.

A. Business courses have become popular.
B. The school only offers business courses.
C. The business school has a new program.
D. The school has just started to offer business courses.

What can be inferred about the gap between teachers and undergraduates？

A. It will not exist in future.
B. It would never disappear.
C. It may practically be avoided.
D. It should be bridged.

An introduction for a short summary of the passage appears below. Complete the summary by

听力原文：Narrator Listen to part of a lecture in a business class. Professor Good morning, everyone. Today, Ur...first of all, Id like to talk about business customs around the world. The world is becoming smaller and smaller with the development of science and technology. Are you going to attend an academic conference or are you going to do business with foreigners？ The following passage gives advice on customs and protocol in a variety of different countries. Foreign cultures adhere to different business customs and protocol. For example, caffeine junkies should restrain themselves in the Middle East. Three cups of tea or coffee is usually the polite limit in offices and during social calls. However, if your host keeps going, you also may continue sipping. If youve had your fill, give your empty cup a quick twist, a sort of wiggle, as you hand it back. That means, "No more, thank you. " Also, visitors to the Middle East should not be surprised if others barge right into the office in the middle of your conversation with the person you are seeing. An old Arab custom calls for keeping an open office. The British, however, consider it impolite to interrupt a visitor, even after all business has been transacted. The commercial caller is expected to be sensitive to this point, know when to stop, and initiate his or her own departure. Spanish business people connect with tangibles. Samples of products of services should be offered whenever possible. Additionally, in Spain, offices and retail establishments generally close from 1:00 p. m. to as late as 4:30 p. m. Alfonso Escalera, U. S. representative for Spanish Line shipping company, adds that black shoes, not brown, are considered proper for business occasions. The Spanish have historically favored black and ultra-dark colors. Good office manners in Indonesia require the visitor to present a business card immediately. If no card is offered, long delays may result. The mark of a thoughtful executive is to have one side in English and the other in Bahasa. In Japan, a visitor should be prepared to distribute as many as 40 business cards a day. Protocol in France calls for listing academic credentials on ones calling cards. In Japan, certain guests at evening business gatherings will leave early. They should be allowed to leave without enthusiastic good-byes. The Japanese consider formal departures to be disruptive in such cases and disturbing to remaining guests. In Scandinavia and Finland, business guests may be asked to shed their clothes and join their hosts in a sauna. The invitation is a sign that a good working relationship has been established. In Denmark, a visitor who is invited to a business associates home should take flowers or some unusual delicacy. In Norway, to be totally correct, the visitor should send a gift the day after dinner; in France always send flowers before visiting a home for dinner. However, dont send chrysanthemums; theyre for funerals. Beyond flowers and gifts, the French prefer a business visitor to sponsor a special occasion after major dealings. Now get ready to answer the questions. You may use your notes to help you answer. 1. What is the talk mainly about？ 2. In the lecture, the professor describes customs and protocol in a variety of different countries. Indicate whether each of the following is customs and protocol in the countries. Tick the correct box for each phrase. 3. What is the protocol in France concerning calling cards？ 4. According to the professor, what is the sign that a good working relationship has been established in Scandinavia？ 5. In the following, what is implied based on the professors description？ Professor Japanese consider early formal departures to be disruptive in such cases and disturbing to remaining guests, they should are allowed to leave without enthusiastic good-byes. 6. In the following, what is implied based on the professors description？ Professor In Denmark, a visitor who is invited to a business associates home should take flowers or some unusual delicacy; in France always send flowers before visiting a home for dinner, donn send chrysanthemums; theyre for funerals.Narrator Listen to part of a lecture in a business class. Now get ready to answer the questions. You may use your notes to help you answer.<br>What is the talk mainly about？

A. Different customs and manners around the world.
B. How to do business with other people.
C. The unbelievable changes in the business world.
D. Advice on customs and protocol in many countries.

A．He has been working outdoors lately.B．He"d like to get some exercise over the w

A. He has been working outdoors lately.
B. He"d like to get some exercise over the weekend.
C. He"s a good tennis player.
D. He rarely uses his computer.

A．The woman should not get involved in the situation.B．The woman should not be an

A. The woman should not get involved in the situation.
B. The woman should not be angry with he friends.
C. He wants to talk to Sally and Mark.
D. He will explain to the woman what happened.

Gadgets with a Sporting Chance Consumer electronics: New sports equipment, from tennis rackets to running shoes, uses processing power to enhance performance. Is that fair？ Why should aspiring athletes stand on the sidelines when a spot of electronic assistance can put them in the middle of the game？ That is the question many sports-equipment makers are asking as they sense an opportunity to boost their sales with high-tech products. You could call it the revenge of the nerds: a new wave of microchip-equipped sporting goods promises to enhance the performance of novices and non-sporting types alike--and could even make difficult sports easier. Take cross-country skiing. Victor Petrenko, an engineer at Dartmouth Colleges Ice Research Lab in New Hampshire, has invented some smart ski-brakes that, he believes, will increase the popularity of cross-country skiing by making the sport less challenging for beginners. The brakes, currently being tested by a ski manufacturer in the Alps, offer the necessary friction for a bigger "kick-off force" and make the skis less likely to slide backwards in their trucks. To make this happen, an electric current from the bottom of the skis pulses through the ice, melting a thin layer of snow that instantly refreezes and acts as a sort of glue. This is not the only form. of smart ski to hit the slopes. Atomic, a leading ski-maker based in Austria, plans to introduce a system later this year that runs a diagnostic safety check to ensure that the ski binding is properly closed, with the result being shown on a tiny built-in liquid-crystal display. Meanwhile, tennis equipment manufacturers are hoping that innovation will bring new zip to their business as well. They certainly need to do something: according to Sport ScanInfo, a market-research firm based in Florida, sales of tennis rackets in America fell 12.5% during the first half of 2004 compared with the first half of 2003. With the ball clearly in their court, researchers at Head, a maker of sporting equipment, have devised a product that should appeal to players suffering from tennis elbow. A chip inside the racket controls piezo-electric fibres, which convert mechanical energy from the balls impact into electrical potential energy. This energy is then used to generate a counter-force in the piezo-electric fibres that causes a dampening effect. All of this, the firm says, translates into less stress on the elbow. Head claims that residual vibrations in the racket are dampened twice as fast as in conventional rackets, reducing the shock experienced by the players arm by more than 50%. No doubt purists will object that this is simply not cricket. Rule-makers in many sports are now being forced to consider the implications of equipment that promises to augment athletes performance with electronic muscle. The International Tennis Federation, that body is responsible for setting the rules of the game, has specified in its most recent guidelines that "no energy source that in any way changes or affects the playing characteristics of a racket may be built into or attached to a racket". Yet despite such wording, the guideline does not actually eliminate the use of Heads smart rackets, because there is no external energy source---the damping effect relies solely on energy from the balls impact. Though high-tech equipment may cause controversy on the court, tennis clubs have to adhere to the guidelines set for the sport, explains Stuart Miller, the ITFs technical manager. And if the rules allow self-generated forces to modify a rackets response, so be it. A Different sports have encountered different technologies, though the future will undoubtedly bring more overlap. B In golf, gadgets that pinpoint the location of the green using the Global Positioning System (GPS), C The rule-making body of the Royal and Ancient Golf Club of St. Andrews, which oversees the game in all countries except America and its dependencies, currently prohibits the use of distance-measuring devices. D As a result, golfers cannot rely on GPS aids in a tournament. While technological innovation in golf equipment should continue, the players skill should remain the predominant factor, says David Rickman, who is in charge of the clubs rules and equipment standards. The trend towards high-tech assistance is not limited to sports with a reputation for expensive gear, however. Even runing, that most basic of sports, provides scope for electronic enhancement. The Adidas running shoe, which is due to be launched in December, incorporates a batterypowered sensor that takes about 1,000 readings a second. A microprocessor then directs a tiny embedded electric motor to adjust the characteristics of the sneaker, enableing it to change the degree of cushioning depending on the surface conditions and the wearers running style. and foot position. The race for the smartest use of microchips in sporting equipment, it seems, has begun.<br>The word novices in paragraph 1 is closest in meaning to

A. beginner.
B. nerd.
C. sales.
D. listener.