单选题Mary is looking for the book she lost yesterday A. trying to find B. trying to read C. trying to buy D. trying to borrow

单选题Every experience teaches the people something and the effects are {{U}}cumulative{{/U}}.

单选题The substance can be added to gasoline to Uaccelerate/U the speed of automobiles.

单选题Fourth, people say they're tired. "I'm too tired to exercise. I'll exercise when I have more energy. "But exercise gives you energy. Most people feel too tired because they don't exercise. The solution? Exercise every day. Take a walk. Go for a bike ride. Run around the block. You'll feel great! And you won't feel tired. According to the paragraph, exercising every day is a good wayA. to equip oneself with energy.B. to keep fit.C. to remove anxiety.D. to make one feel relaxe

单选题The once barren hillsides are now good farmland.

单选题The word“sustain”(paragraph 2)could be best replaced by

单选题{{B}}第二篇{{/B}} {{B}}Saving Money{{/B}} Where you save your money often depends on what you are saving for. If you are saving to buy a CD (光盘) or to go to a concert, then probably you would keep your money somewhere in your room. If you are saving for a big purchase like a mountain bike or a school trip, where would you save your money? One place to save money is the bank. Putting your money in a savings account will help your money earn more money. If you put your money in a piggy bank (猪形储蓄罐), one year later you'll still have the same amount of money you put in. If you put your money in a savings account, one year later, you'll have more money than you put in. Why? When you keep your money in a bank, your money earns interest. Interest is an amount of money a bank pays you to use your money. The bank uses your money (and the money of other people, too) to loan money to people and businesses. The bank will send you a statement several times a year. A bank statement tells you how much money you have in your account. It also tells you how much interest you have earned. If you leave your money in the bank, you can watch it grow! Another way you can save money is to buy a certificate of deposit or CD. If you have some money that you don't need to use for a long time, this is a good way to make your money grow. You can buy a CD at a bank. You agree not to use the money for a certain period of time. That period might be from six months to five years. You can't touch your money during that time. If you do, you must pay a penalty, or fee.

单选题I wrapped the book in brown paper before I mailed it.

单选题The （frame） needs to be strong enough to support the engine.

单选题Advertisement Advertisement can be thought of "as the means of making known in order to buy or sell goods or services ". Advertisement aims to increase people"s awareness and arouse interest. It tries to inform and to persuade. The media are all used to spread the message. The press offers a fairly cheap method, and magazines are used to reach special sections of the market. The cinema and commercial radio are useful for local market. Television, although more expensive, can be very effective. Public notices are fairly cheap and more permanent in their power of attraction. Other ways of increasing consumer interest are through exhibitions and trade fairs as well as direct mail advertisement. There can be no doubt that the growth in advertisement is one of the most striking features of the western world in this century. Many businesses such as those handling frozen foods, liquor, tobacco and medicines have been built up largely by advertisement. We might ask whether the cost of advertisement is paid for by the producer or by the customer. Since advertisement forms part of the cost of production, which has to be covered by the selling price, it is clear that it is the customer who pays for advertisement. However, if large scale advertisement leads to increased demand, production costs are reduced, and the customer pays less. It is difficult to measure exactly the influence of advertisement on sales. When the market is growing, advertisement helps to increase demand. When the market is shrinking, advertisement may prevent a bigger fall in sales than would occur without its support. What is clear is that businesses would not pay large sums for advertisement if they were not convinced of its value to them.

单选题Major product categories {{U}}encompass{{/U}} electronic test and measuring instruments, solid-state components, electronic calculations.

单选题Nursing services in a hospital are generally available around the clock.

单选题Margaret Avison, one of Canada's finest poets, has remained outside the mainstream of recognized writers.

单选题First and foremost, we must work out how we are going to get there.A. thinkB. planC. writeD. check

单选题The boy is Uintelligent/U.

单选题The problem was finally solved with our great efforts.A. clearlyB. apparentlyC. eventuallyD. naturally

单选题You look smart in the new suit. A. clever B. handsome C. loyal D. brave

单选题World Heart Day Sunday was World Heart Day. The World Heart Federation and its member groups in more than one hundred countries organized the celebrations. The World Health Organization and other United Nations agencies provided support for the 1 . World Heart Day was first observed six years 2 . Organizers proposed the event as a way to help reduce the spread of heart disease. The World Heart Federation says heart 3 kills seventeen million people each year. The group urges people to be active and have a good, healthy diet. It also warns 4 activities known to increase a person"s risk of heart attack or stroke. Some of the warnings are directed at children. The World Heart Federation says about twenty-two million boys and girls under the age of five are obese—severely overweight. Children are normally energetic and active. 5 , two thirds of all children are not active enough. Such children greatly 6 their risk of becoming obese. They also increase their 7 of developing heart disease or other disorders. One message of World Heart Day is to eat right. Children 8 eat a healthy and balanced diet. Also, limit sugary drinks, sweets and eating between meals. The World Heart Federation urges parents to keep their children 9 . It says physical exercise helps to decrease the risk of obesity and 10 a child healthy. Obese children often become obese adults. 11 you believe your child is too heavy, talk with a health care provider. The World Heart Federation is also concerned about the effects of tobacco on young people. It says the younger someone begins to smoke, the 12 the chance of a health problem tied to smoking. Half of the young people who continue to smoke are 13 to die later in life from a smoking-related disease. The group says almost half of all children live with a smoker. It says children who live with a 14 can breathe an amount of tobacco equal to more than two thousand cigarettes. And that is by the time they are five years old. The World Heart Federation also says parents should warn children not to be 15 by tobacco companies. And it says parents who smoke should try to stop.

单选题Internet Shopping Internet shopping is a new way of shopping. Nowadays, you can shop for just about anything from your armchair. All you need is a computer which is linked to the Internet. Shopping on the Internet is becoming increasingly popular. In the United States, people spent over US $ 2.5 billion on Internet shopping in 1998. This figure is expected to reach US $ 11 billion by the year 2004. People can shop for a variety of products on the Internet. Physical products include items such as books, CDs, clothes and food. These types of products are the most common purchases through the Internet. You can also buy information products such as on-line news or magazine stories, or you can download computer software through the Internet. Services such as booking airline tickets, reserving hotels or renting ears are also available on the Internet. You can also go shopping on the Internet for entertainment services and take part in on-line games. Internet shopping offers a number of benefits for the shopper. The must important advantage is convenience. You can shop whenever you like as the on-line shops are open 24 hours a day and you don't have to queue with other shoppers at the cheek-out counters. Secondly, it is easy to find what you are looking fur on the Internet. Even out-of-print books may be ordered on line. Finally, it is often cheaper to buy goods through the Internet, and you can tell the shop exactly what you want. The main disadvantage of Internet shopping is that you cannot actually see the products you are buying or cheek their quality. Also, many people enjoy shopping in the city and miss the opportunity to talk to friends. Some people are worried about paying for goods using credit cards, so Internet companies are now finding ways to make on-line payment safe. Internet shopping is sure to become more and more popular in the years ahead. It promises to change the way we buy all kinds of things-from tonight's dinner to a new ear.

单选题American journalists often overstate a situation to make the news more stimulating.