【文章內(nèi)容簡介】 。B.hunting with friendsC.copying others39。 actionD.doing something different（4）According to the passage, we can infer （推斷） that ________. A.it39。s important to run with others anytimeB.products in the advertisement are the bestC.we mustn39。t copy others39。 action to keep safeD.we need to think twice before following others【答案】 （1）B（2）B（3）C（4）D 【解析】【分析】短文大意：這篇短文通過幾個實例說明了社會認知感對人們的影響。 （1）細節(jié)理解題。 In the park, you see a group of people, all looking up at the sky. Without thinking about it, you look upwards, too. Why? In the concert, someone begins to clap and suddenly the whole room joins in. You do, too. Why? 可知作者是通過實例說明了一個論點社會認同感的影響。故選B。 （2）細節(jié)理解題。第三段的實驗內(nèi)容主要講讓人們選擇一個正確答案，在一個人單獨思考的狀況下，可以答對；當(dāng)一群人一起看問題，并告知他們前面的人選擇的一個錯誤答案，他們就都選擇認可前人回答的錯誤答案，由此可知社會認同感會讓人改變觀點。故選B。 （3）詞意猜測題。根據(jù)Suppose that 5000 years ago you were hunting （打獵） with friends. Suddenly, they all ran away. What would you have done? Would you have stayed? No, you would have run, too. We are descendants （后代） of those who copied others39。 action.這種觀念深深種在我們的腦海中并且現(xiàn)在我們?nèi)耘f在使用?？芍猧t指的是人們抄襲他人的行動。故選C。 （4）推理判斷題。根據(jù) So be careful whenever a pany says its product is the most popular. 因此無論何時當(dāng)一個公司說它的產(chǎn)品是對受歡迎的要小心?？芍?dāng)我們在跟從別人之前要再三考慮。故選D。 【點評】此題考查閱讀理解。先閱讀短文，了解短文大意，然后分析問題，弄清題意，再帶著問題閱讀短文，從短文的細節(jié)中找出問題答案。對于推理判斷題要根據(jù)文章中相關(guān)的細節(jié)進行推理判斷，不要主觀臆斷，要根據(jù)作者的觀點確定。 5．閱讀理解 You think it39。s cool to carry your backpacks and head out to school. But if you don39。t know exactly how to choose, load, lift and wear themthese allimportant accessories（配件）can be a pain in the back. Not to mention the neck, head and shoulders. Backpacks can influence your health. Carrying a heavy load improperly can lead to poor body position。 and even hurt the spinal column（脊柱）This can cause muscle strain, headaches, back, neck and arm pain. For example, if it is carried on one shoulder。 a heavy backpack forces the muscles and spine to balance the unequal weight. This may increase the possible back problems later in life.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.Here39。s some advice to help you carry backpacks fortably and safely. Choose the right backpack. Forget leather （皮革）! It looks great, but it39。s far too heavy. Go for canvas（帆布）. Pick a pack that has two wide, adjustable, fortable shoulder straps（帶子）, along with a hip or waist strap, and plenty of pockets. Make sure the pack fits properly and its size is suitable for the wearer39。s body. Packing it properly. Only put in the pack what is needed for that day. It39。s a good idea to know what each object weighs. The total weight of the filled pack should be no more than 10 to 15 percent of the wearer39。s own body weight. Pack heaviest objects close to the body, and place little ones outside, away from the back. Putting the backpack on. Put the pack on a smooth surface, at waist height. Put on the pack, one shoulder at a time, then adjust（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(xué)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(dāng)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。6．根據(jù)短文內(nèi)容，判斷下列句子正誤。 Do you often listen to music at loud volumes （音量）? You should know that this habit is bad for your hearing. Over 1 billion young people are at risk of hearing loss （聽力喪失） ,because of listening to loud noise for long periods of time. Listening to music or watching a TV show at loud volumes can harm your hearing. The United Nations has standards for safe listening. It is not safe to listen to sounds that are louder than 85 dB （分貝） for eight hours or 100 dB for 15 minutes. The sound of a busy road is about 85 dB and the sound of a rock concert ca