【文章內(nèi)容簡介】 st（調(diào)整）the straps to fit fortably. Remember when lifting a backpack, or anything, to lift using the arms and legs and to bend at the knees. The right way to wear a backpack. Both shoulder straps should be used, and adjusted so that the pack fits the body, without hanging to one side. Backpacks should never be worn over just one shoulder. You should be able to move your hands between the backpack and your back. The waist strap should also be worn. Take the above advice, and you may not plain back pain, numbness or weakness in your arms and legs any more.（1）What could mainly cause some young people to suffer back pain by their teenage years? A.Too much homework.B.Poor treatment for backs.C.Improper use of backpacks.D.Unhealthy sleep position（2）Which of the following does the writer suggest?①Choose leather backpacks because it looks cool to go to school.②Pick a pack that its size is suitable for the wearer39。s body.③Make sure the backpack contains only what is needed for that day④Pack heaviest objects close to the body, and place little ones outside.⑤Put the pack on a smooth surface, above the waist height.A.①②④B.①③⑤C.②③④D.②③⑤（3）If a boy weighs 40kg, how heavy should his filled backpack be at most? A.About 4kg.B.About 6kg.C.About 10kg.D.About 15kg.（4）What is the passage mainly about? A.Some problems that teenagers face in their study at school.B.The suitable backpack material that you should choose.C.The good influence that backpacks have on your healthD.Some advice on how to carry backpacks fortably and safely.【答案】 （1）C（2）C（3）B（4）D 【解析】【分析】短文大意： 短文主要講述背包影響學生的健康，如何舒服地和安全地使用背包。 （1）細節(jié)理解題。根據(jù) More than 50 percent of young people suffer back pain by their teenage years. Research shows that this could be mainly caused （場）improper use of backpacks. 可知不正確使用背包可能誰引起背疼。故選C。 （2）細節(jié)判斷題。根據(jù) Make sure the pack fits properly and its size is suitable for the wearer39。s body. 保證背包的大小與背書包的人相符，即②；Only put in the pack what is needed for that day. 需要的時候才背書包，即 ③ ；Pack heaviest objects close to the body, and place little ones outside, away from the back. 當背重物的時候，背包需要貼近身體，背輕的東西時，可以離遠點，即 ④ ；故選C。 （3）細節(jié)理解題。根據(jù) The total weight of the filled pack should be no more than 10 to 15 percent of the wearer39。s own body weight. 這個男孩四十公斤，可知他最多背15%40kg=6kg，故選B。 （4）此題考查主旨大意。這篇短文主要對如何正確使用背包使人更舒服更安全給出的幾點建議，故選D。 【點評】此題考查閱讀理解。先閱讀短文，理解短文大意。然后進行審題，弄清題意，帶著問題閱讀短文，從短文的細節(jié)中找出細節(jié)理解問題的答案。對于主旨大意題要根據(jù)文章的中心思想確定。5．閱讀理解 If you want to check where the nearest coffee shop to your home is, if you want to know how to get to a place in your city, or if you want to see where in the world your foreign pen friend lives, there39。s now a new free online map you can use. Last month, China started its official online mapping service, Map World. Through this free online service users can fly over mountains and valleys around the world and search for restaurants and traffic information across the country for free, said Xu Deming, director of the State Bureau of Surveying and Mapping （SBSM）. The bureau, which does China39。s surveying and mapping work, is in charge of the Map World project. Users can get into Map World through or and search for 2 and 3D images from across the world. The home page shows a view of the Great Wall. It took about two years to prepare the service with all the satellite（衛(wèi)星） images taken from 2006 to 2010, said Jiang Jie, director of the database department（數(shù)據(jù)庫部門） under SBSM. The technology（技術(shù)） and website are still at an early stage. The images from inside China are detailed. Users can see close pictures of roadsides. But the views of places outside China are less clear. Service providers have more than 80 machines, with the ability to deal with 10 million requests （請求） daily, while Google Earth, Google39。s mapping service, has thousands of machines, Jiang said. Our map service can update（更新） data about twice a year, but Google Earth can update its information every couple of minutes, through satellites, Jiang said. The bureau said it will continue developing Map World. At the same time, you can have a try for yourself. Some users have given their opinions about the service after trying it. One student in Beijing said that Map World even shows the small bookstore near her school.（1）What is the main purpose of the first paragraph? A.To show how valuable the service is.B.To introduce the new online photomap of China.C.To show the importance of the new online photomap.D.To tell how popular the new online photomap is in China.（2）According to the Bureau, Map World_______. A.only has images of ChinaB.will need another two years to pleteC.needs further developmentD.begins with the Great Wall（3）What disadvantages does Map World have, pared with Google Earth? A.Information is updated much less often.B.It provided less clear images of places.C.Its machines are less high technology.D.It only has black and white images.（4）What is the passage probably taken from? A.A notebookB.A guide bookC.A story bookD.A newspaper【答案】 （1）B（2）C（3）A（4）D 【解析】【分析】大意：上個月，中國啟動了官方的在線地圖服務——世界地圖。國家測繪局局長徐德明表示：通過這項免費的在線服務，用戶可以飛越世界各地的山脈和山谷，免費搜索全國各地的餐館和交通信息。 （1）段落大意題。根據(jù)there39。s now a new free online map you can ，故選B。 （2）細節(jié)題。根據(jù) The technology（技術(shù)） and website are still at an early stage. The images from inside China are detailed. Users can see close pictures of roadsides. But the views of places outside China are less clear. The bureau said it will continue developin