一、阅读理解 (共 5 题、共 60 分)1.We get energy from the foods we eat. Our food supplies energy to keep our organs working. Our food also supplies heat to warm our bodies.The main energy foods are the carbohydrates (碳水化合物). These are sugars and starch (淀粉). Wheat and rice are rich in starch and many fruits and vegetables contain considerable amount of sugar. Sweets, honey and jam are also rich in sugar.Like carbohydrates, fats are food that provides us with energy. Butter, margarine, certain types of fish, eggs, cooking oils and most red meats are rich in fats. Fats can be stored in various parts of the body as reserves of energy. Because fats in general are slowly digested, they satisfy hunger for long periods.Proteins (蛋白质) are very complex substances. The body needs proteins for the growth of new cells and for the repair and replacement of old cells. Foods rich in proteins are essential to a balanced diet. Milk, some vegetables, meat, chicken, fish, cheese, grains and nuts are some foods rich in proteins.A good diet will contain a variety of foods so that the body contains all the minerals it needs for good health.Vitamins are necessary for the proper working of the body. If we eat a variety of foods, we can be sure of obtaining all the vitamins we need.Water makes up about 70 per cent of the weight of the human body. The average adult needs about two liters of water daily to replace the water the body loses.1).Which of the following is not true?_A、If a man weighs 150 pounds, 105 pounds are water.B、Apple, butter and meat are rich in proteins.C、A well-balanced diet contains proteins, fats, minerals and vitamins.D、Biscuits, cakes and sweets may provide us with energy.2).People can get all the minerals the body needs by_.A、having a balanced dietB、drinking more milkC、eating fruits and vegetablesD、having more fish and eggs3).If equal weight of the following substances is “burned” in the body, the largest amount of energy is produced by_.A、carbohydratesB、fatsC、vitaminsD、mineral salts4).Of the following substances, which are not used as sources of energy by living things?_A、StarchesB、VitaminsC、ProteinsD、Fats5).A boy grows five centimeters a year. The new material in his body has been built mainly from food called_.A、fatsB、vitaminsC、proteinsD、carbohydrates2.The Maryland Science Center is more than fun. You can enjoy the three floors of exciting things, watch the larger-than-life play on the 4th floor, and travel to other words, to faraway stars, on the 5th floor. Dont just look. You are expected to feel, to turn, to push. Build your own house and learn why it stands or falls. Use computers to work out plans just as famous scientists have done. There is always something new to learn at the Maryland Science Center. Children and group visitors enjoy half price. The excitement of the Maryland Science Center does not end when you leave. Visit the Science Store for a gift youd like to keep. Electronic jewelry, games, books, and more take part of the Science Center home with you. InformationWhere to call: 24 hour general information (410) 686-5225 24 hourSTARLINE night sky information (410) 539-STARGroup visitor information (410) 68502370Hours: The Maryland Science Center is open 7 days a week (except Thanksgiving Day and Christmas Day) Monday Friday 10 am 6 pm Saturday and Sunday 10 am 8 pm1).“Take part of the Science Center home with you” means that ( )A、visitors can buy something there and take them homeB、the Science Center may be sold to visitors.C、the visitors can make the Science Center their home2).Which is true about the MarylandScienceCenter? ( )A、Visitors can play and learn at the same time.B、It helps visitors travel to other countries.C、It can be visited 24 hours a day3).The Maryland Science Center usually stays open on weekends ( ).A、from 10 am - 6 pmB、from 10 am - 8 pmC、24 hours4).What can visitors do at the Maryland Science Center? ( )A、Learn science by trying it out.B、Watch and take part in a play.C、Make gifts for their friends.5).By calling (410) 685-2370 we can get information about ( ).A、the night sky showB、books and gamesC、group price tickets3.Henry Richardson is working in an important library. His job is to give new life to old books. Many of these books are very old or are the one and only copy in the world. Richardson has saved the lives of many books. His first job is to wash the pages. He takes off the old cover, and places each page in water. Then he carefully puts each one between sheets of paper to dry. Some of the pages may be very thin or have missing parts. Richardson mends these while they are still wet. He places each one on a h