【正文】 so have heart problems一些醫(yī)生認(rèn)為有剔牙習(xí)慣的碰巧有心臟問(wèn)題，故是發(fā)展以前的觀點(diǎn)，因此選D項(xiàng)。根據(jù)第一段提到It is bad to have food stuck between your teeth for long periods of time. This is because food attracts germs(細(xì)菌), germs produce acid, and acid hurts your teeth and gums.(長(zhǎng)時(shí)間讓食物停留在牙齒是有害處的，這是因?yàn)槭澄锬芪?xì)菌，細(xì)菌會(huì)產(chǎn)生酸，腐蝕你的牙齒)，故選A項(xiàng)。Why Doctors Disagree About Flossing【答案】 （1）A（2）D（3）D（4）C 【解析】【分析】本文提到經(jīng)過(guò)研究，剔牙與保持心臟之間沒(méi)有必然的聯(lián)系，但剔牙能保護(hù)牙齒的健康是可以肯定的。How to Keep Your Teeth HealthyC.Even if flossing is only good for your teeth, you should still do it every day.（4）Which is the best title for the passage?A.Because doctors find flossing won39。It is a fact that flossing can help your heart as well as your teeth.B.D.introduce a new topicB.not every doctor thinks flossing helps to keep your teeth healthy（2）The underlined sentence in Paragraph 3 is to ________.A.doctors39。food stuck between your teeth may hurt your teethB. Not every doctor agrees about these ideas. Some doctors think that the link between good flossing habits and good heart health is only a coincidence. The incidence (發(fā)生率) of two or more events is pletely random, as they do not admit of any reliable cause and effect relationship between them. For example, every time I wash my car, it rains. This does not mean that when I wash my car, I somehow change the weather. This is only a coincidence. Similarly, some doctors think that people who have bad flossing habits just happen to also have heart problems, and people who have good flossing habits just happen to have healthy hearts. germs produce acid, and acid hurts your teeth and gums. Flossing (使用牙線) helps to remove the food that gets stuck between your teeth. This explains why flossing helps to keep your mouth healthy, but some doctors say that flossing can also be good for your heart.2．閱讀理解故選A。(4)考查推理判斷。根據(jù)第四段可知，Kent Harries認(rèn)為竹子結(jié)實(shí)、有彈力、能承受壓力，是有用的建筑材料，由此可知他的觀點(diǎn)是竹子是種很好的建筑材料。根據(jù)第二段中的“ The professor and his students are testing the strength of bamboo．”可知，教授和他的學(xué)生做實(shí)驗(yàn)的目的是測(cè)試竹子的承受力，故選D。故選A。(1)考查主旨大意。他和他的學(xué)生們測(cè)試了竹子的受壓力量。幾千年來(lái)，竹子被廣泛地應(yīng)用于各個(gè)方面，然而，在發(fā)達(dá)國(guó)家，竹子并沒(méi)有經(jīng)常地被應(yīng)用于建筑領(lǐng)域。D.Bamboo material will go to the market in the soon future.C.Bamboo is an environmentally friendly building material.D.Harries thinks bamboo is as strong as steel.C.Harries sees bamboo as a great building material.D.To introduce bamboo to the developed world.C.To prove what is the most useful plant.D.Take advantage of bamboo in our everyday.C.Make bamboo a mon building material. Bamboo also grows quickly. Bamboo that is suitable for construction needs much less resources than wood. The harvest cycle of bamboo is about 3 years. Softwoods such as cedar, pine and spruce have a harvest cycle of about 10 years. And hardwoods that e from flowering plants such as oak and walnut need more than 30 years. Kent Harries is a professor at the University of Pittsburgh. Harries says that testing methods for bamboo need to be the same for all. They need to be standardized. Standardizing test methods for bamboo will help to bring the plant into mon use. It will also give engineers and builders around the world a dependable standard.s most useful plants. For thousands of years, bamboo has been used in many different waysfrom food to medicine to clothing and, in small ways, as a building material.【英語(yǔ)】高三英語(yǔ)閱讀理解技巧和方法完整版及練習(xí)題含解析一、高中英語(yǔ)閱讀理解1．閱讀理解 Bamboo is one of the world39。 However, bamboo is not often used as a building material in the developed world. A professor at the University of Pittsburgh in Pennsylvania is trying to change that. The professor and his students are testing the strength of are testing how much pressure or weight it can take before breaking. Harries says that bamboo is strong in nature. The strength of at least three species of bamboo is similar to its strength, bamboo has other features that make it very useful in building. He says it is resilient(有彈力的), meaning it keeps its shape and strength even under pressure. Bamboo is widely used as food for panda bears. It is also used for flooring and window covers. However, for building, bamboo is not used much outside its native growing area. This is mostly because of its round shape. But there are other reasons too. People think or have the mentalitythat bamboo is a low quality building material.（1）What is the author mainly talking about in the passage? A.B.Consider bamboo to be a mon plant.Use bamboo to replace building materials.（2）What is the purpose of what Kent Harries and his students did? A.B.To give engineers and builders some advice.To make sure of the strength of bamboo.（3）What does Harries think of bamboo in the passage? A.B.Harries sees bamboo as the most ideal Plant.Harries thinks bamboo has the reliable shape.（4）What can be inferred from the passage? A.B.Hardwoods are much more popular than softwoods.Bamboo grows not only faster but takes up less space.【答案】（1）A（2）D（3）A（4）A 【解析】【分析】本文是一篇說(shuō)明文，介紹了竹子是世界上最有用的植物之一。Kent Harries 教授試圖改變這一點(diǎn)。Kent Harries 教授認(rèn)為是一種很好的建筑材料。本文講述了Kent Harries和他的學(xué)生所做的實(shí)驗(yàn)，實(shí)驗(yàn)的目的是測(cè)試竹子能否當(dāng)作建筑材料來(lái)使用。(2)考查細(xì)節(jié)理解。(3)考查細(xì)節(jié)理解。故選A。根據(jù)倒數(shù)第二段可知，竹子長(zhǎng)得很快，其生長(zhǎng)為三年，而針葉木材則需10年，闊葉樹時(shí)間更長(zhǎng)，由此可知，竹子是種很環(huán)保的建筑材料?！军c(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷和主旨大意三個(gè)題型的考查，是一篇科普類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。 It is bad to have food stuck between your teeth for long periods of time. This is because food attracts germs。 It may seem strange that something you do for your teeth can have any effect on your heart. Doctors have e up with a few ideas about how flossing works to keep your heart healthy. One idea is that the germs that hurt your teeth can leave the mouth and travel into your that get into the blood can then attack your heart. Another idea is