Susan will come to watch him ______ at Wimbledon this week.

Brazil has become one of the developing world"s great successes at reducing population growth—but more by accident than design. While countries such as India have made joint efforts to reduce birth rates, Brazil has had better result without really trying, says George Martine at Harvard. Brazil"s population growth rate has dropped from 2.99% a year between 1951 and 1960 to 1.93% a year between 1981 and 1990, and Brazilian women now have only 2.7 children on average. Martine says this figure may have fallen still further since 1990, an achievement that makes it the envy of many other Third World countries. Martine puts it down to, among other things, soap operas(通俗电视连续剧) and instalment(分期付款) plans introduced in the 1970s. Both played an important, although indirect, role in lowering the birth rate. Brazil is one of the world"s biggest producers of soap operas. Globo, Brazil"s most popular television network, shows three hours of soaps six nights a week, while three others show at least one hour a night. Most soaps are based on wealthy characters living the high life in big cities. "Although they have never really tried to work in a message towards the problems of reproduction, they describe middle and upper class values—not many children, different attitudes towards sex, women working", says Martine. "They sent this image to all parts of Brazil and made people conscious of other patterns of behavior and other values, which were put into a very attractive package". Meanwhile, the instalment plans tried to encourage the poor to become consumers. "This 1ed to an enormous change in consumption patterns and consumption was in compatible(不相容的) with unlimited reproduction", says Martine.

Firefighters are often asked to speak to school and community groups about the importance of fire safety, particularly fire prevention and detection. Because smoke detectors reduce the risk of dying in a fire by half, firefighters often provide audiences with information on how to install these protective devices in their homes. Specifically, they tell them these things. A smoke detector should be placed on each floor of a home. While sleeping, people are in particular danger of an emergent fire, and there must be detector outside each sleeping area. A good site for a detector would be a hallway that runs between living spaces and bedrooms. Because of the dead-air space that might be missed by hot air bouncing around above a fire, smoke detector should be installed either on the ceiling at least four inches from the nearest wall, or high on a wall at least four, but no further than twelve, inches from the ceiling. Detectors should not be mounted near windows, entrances, or other places where drafts(过堂风)might direct the smoke away from the unit. Nor should they be placed in kitchens and garages, where cooking and gas fumes are likely to cause false alarms.

It is easier to negotiate initial salary requirement because once you are inside, the organizational cortstraints(约束) influence wage increases. One thing, however, is certain: your chances of getting the raise you feel you deserve are less if you don"t at least ask for it. Men tend to ask for more, and they get more, and this holds true with other resources, not just pay increases. Consider Beth"s story: I did not get what I wanted when I did not ask for it. We had cubiele(小隔间) offices and window offices. I sat in the cubicles with several male colleagues. One by one they were moved into window offices, while I remained in the cubicles. Several males who were hired after me also went to offices. One in particular told me he was next in line for an office and that it had been part of his negotiations for the job. I guess they thought me content to stay in the cubicles since I did not voice my opinion either way. It would be nice if we all received automatic pay increases equal to our merit, but "nice" isn"t a quality attributed to most organizations. If you feel you deserve a significant raise in pay, you"ll probably have to ask for it. Performance is your best bargaining chip(筹码) when you are seeking a raise. You must be able to demonstrate that you deserve a raise. Timing is also a good bargaining chip. If you can give your boss something he or she needs (a new client or a sizable contract,for example) just before merit pay decisions are being made, you are more likely to get the raise you want. Use information as a bargaining chip too. Find out what you are worth on the open market. What will someone else pay for your services? Go into the negotiations prepared to place your chips on the table at the appropriate time and prepared to use communication style to guide the direction of the interaction.

Many people start relationships because of loneliness. Loneliness and being alone are not synonymous . Loneliness is a state of painful isolation, of feeling cut off from friends and family. Being alone, a state of solitude(独处), can be quite desirable most of the time, since it allows us to work, study, live, or reflect on the world around us. Solitude is usually a matter of choice: loneliness is not. Lonely people tend to spend a lot of time by themselves, eat dinner alone, spend weekends alone, and participate in few if any social activities. They are unlikely to date. Some lonely people report having many friends, but a closer look suggests that these " friendships" are shallow. Lonely people are unlikely to share confidences. Loneliness tends to peak during adolescence(青春期). This is when most young people begin to replace family ties with peer relationships. Loneliness is quite often connected with feelings of depression and with a feeling of being " sick at heart". Loneliness is even reported among some married people. In one of the recent studies, lonely wives tended to feel less liking and love for their partners and expressed less satisfaction with their married life. Lonely husbands reported less liking for their wives and less intimacy in their relationships.

It ______ by the end of last year ______ the new student dormitory building had been completed.

If those "mad moments"—when you can"t remember what your friend has told you or where you left your keys—are becoming more frequent, mental exercises and a healthy brain diet may help. Just as bodies require more maintenance with the passing years, so do brains, which scientists now know show signs of aging as early as the 20s and 30s. "Brain aging starts at a very young age, younger than any of us had imagined and these processes continue gradually over the years", said Dr. Gary Small, the director of the Center on Aging at the University of California, Los Angeles. "I"m convinced that it is never too early to get started on a mental or brain-fitness program", he added. In his book, The Memory Bible, the 51-year-old neuroscientist(神经学家) lists what he refers to as the 10 suggestions for keeping the brain young. They include training memory, building skills, reducing stress, mental exercises, brain food and a healthy lifestyle. It"s a game plan for keeping brain cells sparking and neural networks in perfect shape. "Misplacing your keys a couple of times don"t mean you should start labeling your cabinets. Memory loss is not an inevitable consequence of aging. Our brains can fight back", he said. Small provides the weapons for a fun-scale attack Simple memory tests give an indication of what you are up against and tools such as "look" and "connect" are designed to make sure that important things such as names and dates are never forgotten. "So if you wanted to learn names and faces, for example, you meet Mrs. Beatty and you notice a distinguishing facial feature, maybe a high eyebrow", said Small. "You associate the first thing that comes to mind. I think of the actor Warren Beatty so I create a mental picture of Warren Beatty kissing her brow". Small admits it may sound a bit strange but he says it works. "Mental exercises could be anything from doing crossword puzzles and writing with your left hand if you are right handed or learning a language. It could be anything that is fun that people enjoy doing", he added. He also recommends physical exercise, a low-fat diet and eating foods rich in fatty acids, such as fish, nuts, and fruits and vegetables high in antioxidants(抗氧化剂) including blueberries and onions in addition to reducing stress.

In the effort to fire a Civil Service employee, his or her manager may have to spend up ______ $100,000 of tax money to do so.

Two main techniques have been used for training elephants, which we may call respectively the tough and the gentle. The former method simply consists of setting an elephant to work and beating him until he does what is expected. Apart from any moral considerations this is a stupid method of training, for it produces a resentful animal who at a later stage may well turn man-killer. The gentle method requires more patience in the early stages, but produces a cheerful, good-tempered elephant who will give many years of loyal service. The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job. Elephants like to have one master just as dogs do, and are capable of a considerable degree of personal affection. There are even stories of half-trained elephant calves who have refused to feed and pained to death when by some unavoidable circumstance they have been deprived of their own trainer. Such extreme cases must probably be taken with a grain of salt, but they do underline the general principle that the relationship between elephant and mahout is the key to successful training. The most economical age to capture an elephant for training is between fifteen and twenty years, for it is then almost ready to undertake heavy work and can begin to earn its keep straight away. But animals of this age do not easily become subservient to man, and a very firm hand must be employed in the early stages. The captive elephant, still roped to a tree, plunges and screams every time a man approaches, and for several days will probably refuse all food through anger and fear. Sometimes a tame elephant is tethered nearby to give the wild one confidence, and in most cases the captive gradually quietens down and begins to accept its food. The next stage is to get the elephant to the training establishment, a ticklish business which is achieved with the aid of two tame elephants roped to the captive on either side. When several elephants are being trained at one time, it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced. It is then left completely undisturbed with plenty of food and water so that it can absorb the atmosphere of its new home and see that nothing particularly alarming is happening to its companions when it is eating normally, its own training begins. The trainer stands in front of the elephant holding a long stick with a sharp metal point. Two assistants, mounted on tame elephants, control the captive from either side, while others rub their hands over his skin to the accompaniment of a monotonous and soothing chant. This is supposed to induce pleasurable sensations in the elephant, and its effects are reinforced by the use of endearing epithets, such as "ho! my son", or "ho! My father", or "my mother" according to the age and sex of the captive. The elephant is not immediately susceptible to such blandishments, however, and usually lashes fiercely with its trunk in all directions. These movements are controlled by the trainer with the metal-pointed stick, and the trunk eventually becomes so sore that the elephant curls it up and seldom afterwards uses it for offensive purposes.

Unexpectedly the light ______ and we were left in. darkness.

A: Here"s a gift for you, I bought it in India. B: ______

You don"t have to be in such a hurry, I would rather you______ on business first.

Woman: Gee, it"s very warm in this reading room. Man: ______

Wang: I"ve got an appointment. I"m going to meet a friend in London at 3 p.m. It"s already a quarter past 2. ______ David: I"m going to London. I can give you a lift if you like. Wang: Could you really? That would be great.

Science is an enterprise concerned with gaining information about causality, or the relationship between cause and effect. A simple example of a cause is the movement of a paddle as it strikes a ping-pong ball; the effect is the movement of the ball through the air. In psychology and other sciences, the word "cause" is often replaced by the term "independent variable". This term implies that the experimenter is often "free" to vary the independent variable as he or she desires (for example, the experimenter can control the speed of the paddle as it strikes the ball). The term "dependent variable" replaces the word "effect", and this term is used because the effect depends on some characteristic of the independent variable (the flight of the ball depends on the speed of the paddle). The conventions of science demand that both the independent and dependent variables be observable events, as is the case in the ping-pong example. In the case of biorhythm theory, the independent variable is the number of days that have elapsed between a person"s date of birth and some test day. The dependent variable is the person"s level of performance on some specified task on the test day. Notice that although the experimenter is not free to choose a birthday for a given individual, persons with different dates of birth can be tested on the same day, or a single subject can be tested on several different days. In order to predict the relationship between independent and dependent variables, many scientific theories make use of what are called intervening variables. Intervening variables are purely theoretical concepts that cannot be observed directly. To predict the flight of a ping-pong ball, Newtonian physics relies on a number of intervening variables, including force, mass, air resistance, and gravity. You can probably anticipate that the intervening variables of biorhythm theory are the three bodily cycles with their specified time periods. It should be emphasized that not all psychological theories include intervening variables, and some psychologists object to their use precisely because they are not directly observable. The final major component of a scientific theory is its syntax, or the rules and definitions that state how the independent and dependent variables are to be measured, and that specify the relationships among independent variables, intervening variables, and dependent variables. It is the syntax of biorhythm theory that describes how to use a person"s birthday to calculate the current status of the three cycles. The syntax also relates the cycles to the dependent variable, performance, by stating that positive cycles should cause high levels of performance whereas low or critical cycles should cause low performance levels. To summarize, the components of a scientific theory can be divided into four major categories: independent variables, dependent variables, intervening variables, and syntax.

The Main Library has five floors open to the public. FOURTH FLOOR: Social Sciences & History. 300—399, 650—659, 900—999. Law books are shelved in a separate area—follow signs for the Law Library. THIRD FLOOR: Humanities. 100—199, 200—299, 400—499, 700—709 & 800—899. SECOND FLOOR: Science and Technology. 500—599. 600—649 & 660—699. FIRST FLOOR: Current (unbound) Periodicals. An information point is inside the Periodicals Office. GROUND FLOOR: Reference. General reference books and bibliographies.The Reference Librarians on each floor are available to answer queries during office hours. At other times you can ask at the Issue Desk, on the Ground Floor.Books are shelved according to size: normal size large size The shelves are color coded to help you identify them: RED Large books WHITE Normal size books YELLOW Large periodicals BLUE Normal size periodicals Books returned the previous day may be on the Recent Returns shelves, next to the Reference Librarians" desks

Living in the central Australian desert has its problems, ______ obtaining water is not the least.

Harry: Well, I have to be on my way now. ______. Richard: You, too. And don"t forget to drop me a line.

In the fall 2006, the National Basketball Association (NBA) started using basketballs made with synthetic, or manmade material instead of leather. They made the switch because they wanted every basketball they use to feel and bounce the same. However, some players complained right away that the new balls bounced differently and were actually harder to control than leather ones. Dallas Mavericks owner Mark Cuban asked for help the Department of Physics at the University of Texas. The scientists investigated friction that affects the ability of a player to hold onto a ball. "The greater the friction, the better it will stick to his hand", explains Horwitz, one of the physicists who worked on the project. Tests on both wet and dry balls showed that while the plastic ball was easier to grip when dry, it had less friction and became much harder to hold onto when wet. That"s because sweating stays on the surface of the synthetic balls but gets absorbed into the leather balls—an important detail for sweaty athletes. In January, the NBA went back to use the traditional leather balls. They aren"t perfect, but for now, that"s just the way the ball bounces.

Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will be abandoned and allowed to rust. Other authorities, however, think the auto is here to stay. They hold that the car will remain a leading means of travel in the foreseeable future. The motorcar will undoubtedly change significantly over the next 30 years. It should become smaller, safer, and more economical, and should not be powered by the gasoline engine. The car of the future should be far more pollution-free than present types. Regardless of its power source, the auto in the future will still be the main problem in urban traffic congestion(拥挤). One proposed solution to this problem is the automated highway system. When the auto enters the highway system, a retractable(可伸缩的) arm will drop from the auto and make contact with a rail, which is similar to those powering subway trains electrically. Once attached to the rail, the car will become electrically powered from the system, and control of the vehicle will pass to a central computer. The computer will then monitor all of the car"s movements. The driver will use a telephone to dial instructions about his destination into the system. The computer will calculate the best route, and reserve space for the car all the way to the correct exit from the highway. The driver will then be free to relax and wait for the buzzer(蜂鸣器) that will warn of his coming exit. It is estimated that an automated highway will be able to handle 10 000 vehicles per hour, compared with the 1,400 to 2,000 vehicles that can be carried by a present-day highway.