1、课下题型练(一)Reading and Thinking.阅读理解ATrees are useful to man in three important ways：they give him wood and other useful things, they give him cool places, and they help to stop drought and flood.Unluckily, in many parts of the world, man has not found that the third of these points is the most importa
2、nt.Man wants to make money from trees, so he has cut them down in large numbers, only to find that without them he has lost the best friends he had.And also, he is usually too careless to plant and look after new trees.So the forests slowly disappear.This does not only mean that man will have fewer
3、trees.The results are even worse：for where there are trees, their roots break up soil make the rain in and also bind the soil, thus stopping it from being washed away easily; but where there are no trees, the rain falls on hard ground and flows away, causing floods and carrying away the rich topsoil
4、.When all the topsoil is gone, nothing is left but useless desert.语篇解读：本文是一篇说明文。文章主要介绍了树对人类的作用非常大，可以给人类提供木材、提供阴凉，还可以帮助阻止干旱和洪水。但实际情况是很多人砍掉了很多树木，破坏了植被，引起了生态危机。1The most important points of trees to man is that Athey help him to stop drought and floodBthey help him to make moneyCthey give him cool plac
5、esDthey give him wood and other things解析：选A细节理解题。根据第一段内容及第二段中的Unluckily, in many parts of the world, man has not found that the third of these points is the most important.可知树木的第三个用途stop drought and flood最重要，故A项正确。2In many places forests slowly disappear because Amany trees have been cut down by man
6、Bnew trees are not well looked afterCman has not paid enough attention to planting treesDall the above解析：选D细节理解题。根据第二段中的Man wants to make money from trees, so he has cut them down in large numbers, only to find that without them he has lost the best friends he had.And also, he is usually too careles
7、s to plant and look after new trees.So the forests slowly disappear.可知A、B、C三项都是树林消失的原因。故D项正确。3Land becomes desert after all trees are cut down because Aroots of trees break up the soilBthere are too many rainfallsCstrong winds bring a lot of sandDthere are no longer trees to keep the rain and protec
8、t the topsoil.解析：选D细节理解题。根据第三段中的The results are even worse：for where there are trees, . soil, thus stopping it from being washed away easily; but where there are no trees, the rain falls on hard ground and flows away, causing floods and carrying away the rich topsoil.When all the topsoil is gone, no
9、thing is left but useless desert.可知，当树被砍掉以后，再也没有树来保护水土了，导致土地变成了荒漠。故D项正确。4Which title best fits the passage?ATrees and ManBThe Function of Tree WoodCHow do People do with Trees?DThe Usage of Tree Roots解析：选A标题归纳题。本文介绍了树对人类的作用非常大，可以给人类提供木材、提供阴凉，还可以帮助阻止干旱和洪水。但实际情况是很多人砍掉了很多树木，破坏了植被，引起了生态危机。所以本文主要讲述的是树和人类
10、的关系，A项作标题最能概括本文内容，故A项正确。BOrganic food is very popular.It is also expensive.Some organic food costs twice as much as nonorganic food, but new parents and pet owners are willing to pay up to 200% more for organic food.However, there are people who think it is a waste of money.There is one main differe
11、nce between organic and nonorganic food.Organic farms do not use agricultural chemicals, such as pesticides.In many countries organic foods have special labels.These guarantee that the products are natural.Some people think organic means locally grown.Originally this was true.Over time organic farmi
12、ng became more difficult.The demand for organic food grew larger than the supply.Small companies had to sell out to large companies.There werent enough organic ingredients, such as grain and cattle.This made it difficult for many organic companies to stay in business.Today, many large companies have
13、 an organic line of products.Is organic food more nutritious? This is part of the debate.Many farmers and consumers believe it is.They think agricultural chemicals cause health problems such as cancer.Many health professionals disagree.Few studies prove that organic foods prevent health problems.Hea
14、lth specialists worry more about bacteria, such as Ecoli and salmonella.These can get into contact with organic and nonorganic food.Doctors recommend washing produce very carefully.Handling meat carefully is important, too.Most people agree that naturally grown food tastes better.Is tastier food wor
15、th the extra money? This is a matter of opinion.Whether it is healthier or not may require more research.However, organic consumers argue it is better to be safe than sorry.语篇解读：本文是一篇说明文。文章将有机食品和非有机食品进行了对比，并且就有机食品的种植、营养价值和味道等情况进行了说明。5What is probably the major concern of organic food consumers?APric
16、e.BSafety.CFreshness. DVariety.解析：选B推理判断题。根据第二段中的Organic farms do not use agricultural chemicals, such as pesticides.可知有机农场不使用杀虫剂等农药。最后一段中的However, organic consumers argue it is better to be safe than sorry.也指出，有机食品消费者认为，安全总比后悔好。由此可推知，有机食品消费者最关心的可能是安全。故选B。6What is the doctors suggestion?AGrow your o
17、wn food.BReduce the use of pesticides.CMake sure the food is clean.DBuy large companies products.解析：选C细节理解题。根据倒数第二段中的Doctors recommend washing produce very carefully.Handling meat carefully is important, too.可知医生建议仔细清洗农产品，小心处理肉类也很重要。由此可知，医生的建议是确保食物干净。故选C。7Which of the following do most people agree
18、on organic food?AIt tastes better. BIt is easier to grow.CIt contains more fat. DIt is more nutritious.解析：选A细节理解题。根据最后一段中的Most people agree that naturally grown food tastes better.可知大多数人同意自然生长的食物味道更好。由此可知，大多数人同意有机食品味道更好。故选A。8Where does this text probably come from?AA recipe book. BA chemistry paper.
19、CA medical report. DA health magazine.解析：选D文章出处题。文章将有机食品和非有机食品进行了对比，并且就有机食品的种植、营养价值和味道等情况进行了说明。由此可知本文属于饮食健康类文章，因此，这篇文章可能来自健康杂志。故选D。CThe color of food might affect just how much you want to eat them，but what about the birds in your neighborhood？Would they care what color their food is？Try this out fo
20、r a science fair project, or just to learn something new while making your local birds happy.Begin this experiment with the question “What color of birdseed (鸟食), if any，will birds like the most？”， and then make a hypothesis (假设) based on your question.An example might be “Birds will eat more green
21、birdseed than other colors of birdseed.”You should get several bird feeders.Purchase birdseed that is very light in color.To color the birdseed, pour it into a bowl and then add food coloring that you can purchase from the store.Mix them up well with a spoon and continue to add coloring until all th
22、e seed is colored.You should sample at least a few colors and have one feeder with seed that has not been colored this is called the control and it will give you something to compare your results to.Now just hang them up outside in the same location, and wait for your feathered friends to show up.Th
23、is works best in an area where birds are used to feeding from a feeder it can take birds over a week to find new feeders.Observe your bird feeders whenever possible，and keep track of how much seed is in each bird feeder each day.A ruler is helpful for this.You might also want to take pictures of the
24、 feeders and keep track of what kind of birds visit each feeder.Over time，you should be able to see if one color of seed gets eaten more than others.Once your experiment is done，you will be able to go back to your hypothesis and see if it is correct.Remember, its not bad if your hypothesis was wrong
25、.The main thing is that youve learned something from your experiment，and hopefully you had some fun doing it.语篇解读：本文是一篇说明文。文章主要介绍了食物的颜色会影响人类的食欲，那鸟类是否也对食物的颜色有所选择呢？作者建议读者做实验来证明自己的观点，并给出了实验的具体步骤及其关键点。9Whats the purpose of this experiment?ATo see what color birds like most.BTo make local birds happy.CTo
26、 see if the color of food affects birds.DTo find how local birds feed themselves.解析：选C推理判断题。根据第二段中的Begin this experiment with the question “What color of birdseed (鸟食), if any，will birds like the most？”在开始这个实验时，先问个问题“什么颜色的鸟食，鸟类最喜欢？”可知，该实验的目的是查明鸟类是否会依据颜色选择食物。10Whats the second step for this experimen
27、t?AObserving bird feeders.BRaising a question.CCollecting all the data.DMaking a hypothesis.解析：选D细节理解题。根据第二段中的then make a hypothesis (假设) based on your question.可知实验的第二步是做假设。故选D。11The underlined words“feathered friends”in Paragraph 3 refer to A.feeders BbirdsCneighbors Dlocals解析：选B词义猜测题。根据第三段中的wait
28、for your feathered friends to show up.This works best in an area where birds are used to feeding from a feeder.可知，画线词指的是鸟。12What is the most important about the bird feeders?AThey are filled with some water.BThey are placed in secret places.CThey are painted in different colors.DThey are all the sam
29、e size and type.解析：选D推理判断题。根据第三段中的You should get several bird feeders . You should sample at least a few colors and have one feeder with seed that has not been colored this is called the control and it will give you something to compare your results to.可知，实验是把装有颜色的鸟食在鸟食槽内的变化情况与不染色的鸟食在鸟食槽的情况做对比，要想比较就
30、必须在鸟食槽相同的条件下才能得出哪种颜色的鸟食被吃的多，选项D(鸟食槽的大小和类型一样)切题，故选D。.阅读七选五Have you ever wondered that the food you eat everyday can tell you about where you come from? Have you ever wondered why people from different parts of the world eat different types of food? 1 There is more of a connection between food and cul
31、ture than you may think. 2 It becomes a part of who we are.Many associate foods from our childhood with warm feelings and good memories and it ties us to our families, holding a special and personal value for us.Food from our family often becomes the comfort we seek as adults in times of frustration
32、 and stress.On a large scale, traditional food is an important part of culture. 3 Immigrants bring it wherever they go, and it is a symbol of pride for their culture and means of coping with homesickness.Many immigrants open their own restaurants and serve traditional dishes.However, the food does n
33、ot remain exactly the same.Some materials needed to make traditional dishes may not be readily available, so the taste and flavor can be different from what they would prepare in their home countries.Additionally, immigrants do not only sell dishes to people from the same countries as them, but to p
34、eople from different countries. 4 Those changes can create new flavors that still keep the cultural significance of the dishes.We should embrace our heritage (传统) through our cultures food but also become more informed about other cultures by trying their food.It is important to remember that each d
35、ish has a special place in the culture to which it belongs, and is special to those who prepare it. 5 AFood is a window into culture, and it should be treated as such.BOn an individual level, we grow up eating the food of our culture.CThe smell and taste of the food is very familiar to us.DIt also o
36、perates as an expression of culture identity.ETherefore, they have to make small changes about the original dishes to cater to a wider range of customers.FDo you ever ask yourself why certain foods or cooking traditions are so important to your culture?GAs the world becomes more globalized, it is ea
37、sier to access foods from different cultures.语篇解读：本文是一篇议论文。文章主要从食物与文化的关系的角度出发，认为传统食物是文化的重要组成部分，它也是文化认同的表现和了解文化的窗口。1选F上文Have you ever wondered that the food you eat everyday can tell you about where you come from? Have you ever wondered why people from different parts of the world eat different types
38、 of food？与F项Do you ever ask yourself why certain foods or cooking traditions are so important to your culture？承接自然，选项的问题和上文的两个问题一起导入本文的话题食物与文化之间的关系。故选F项。2选B分析段落结构可知，设空处为本段中心句，与下段首句On a large scale, traditional food is an important part of culture.呼应。且由下文Many associate foods from our childhood with w
39、arm feelings and good memories and it ties us to our families, holding a special and personal value for us.Food from our family often becomes the comfort we seek as adults in times of frustration and stress.可知，这段讲述了食物对个人的影响。B项On an individual level, we grow up eating the food of our culture.可以作为本段中心
40、句，故选B项。3选D根据下文Immigrants bring it wherever they go, and it is a symbol of pride for their culture and means of coping with homesickness.可知，上文应该讲述食物是文化认同的一种表现。因此，移民无论走到哪儿，都会带上象征自己文化的传统食物。D项It also operates as an expression of culture identity.符合文意，故选D项。4选E上文Additionally, immigrants do not only sell d
41、ishes to people from the same countries as them, but to people from different countries与E项Therefore, they have to make small changes about the original dishes to cater to a wider range of customers.承接自然，上下文构成明显的因果关系。因为要卖给其他国家的人，所以要对食物进行小的改变以招揽更多顾客。故选E项。5选A根据上文We should embrace our heritage (传统) thro
42、ugh our cultures food but also become more informed about other cultures by trying their food.It is important to remember that each dish has a special place in the culture to which it belongs, and is special to those who prepare it.可知，食物在文化中有着特殊的位置。而该空是最后一段的最后一句，应该是对最后一段以及整篇文章的一个总结。A项Food is a window into culture, and it should be treated as such.符合文意，故选A项。
