练习册

  • 练习册
  • 试题
    精英家教网 > 初中英语 > 题目详情
    18．Recently more and more big cities in China are having heavy smog （雾霾）．There is a popular joke about it on the Internet，"The longest distance in the world is not between life and death，but between you and me when I hold your hand in the street but cannot see your face．"
    　　Air pollution is one of the causes of lung （肺） cancer．What shall we do to keep healthy in this situation？Try to remember the following advice：
    ▲Reduce outdoor activities．
    ▲If you have to go outside，remember to wear a mask．
    ▲Drink more water a day and have fresh food．
    ▲Wash hands and face after outdoor activities．
    ▲Keep indoor environment clean．
    46．The underlined word"mask"means"C"in Chinese．
    A．帽子
    B．手套
    C．口罩
    47．What is one of the causes of lung cancer according to this article？C
    A．Smoking．
    B．Drinking．
    C．Air pollution．
    48．The writer advises people to reduce outdoor activities becauseA．
    A．heavy smog is bad for health
    B．outdoor activities are too boring
    C．they don't want to go out
    49．The writer thinks we shouldCevery day in order to keep healthy．
    A．drink enough water
    B．have fresh food
    C．both A and B
    50．Which statement is TRUE according to the passage？C
    A．Air pollution can make people blind．
    B．We'd better wash hands and face before going outside．
    C．We should stay indoor as much as possible．

    分析 文章大意：这是一篇说明文，主要介绍最近中国越来越多的大城市在遭受烟雾污染．空气污染是肺癌的原因之一，在这种情况下，我们应该减少户外活动．如果你要外出，记得戴口罩．每天喝更多的水，吃新鲜的食物．户外活动后洗手、洗脸．保持室内环境清洁．

    解答 46．答案：C．词意猜测题．根据第一句Recently more and more big cities in China are having heavy smog最近中国越来越多的大城市在遭受烟雾污染．可知，应该是外出要戴口罩，选C．
    47．答案：C．细节理解题．根据第二段第一句Air pollution is one of the causes of lung （肺） cancer．空气污染是肺癌的原因之一．可知，空气污染是肺癌的原因之一．选C．
    48．答案：A．细节理解题．根据第二段What shall we do to keep healthy in this situation？Try to remember the following advice：在这种情况下我们应该怎样保持健康？试着记住以下建议：可知，减少外出是因为雾霾对身体有害．选A．
    49．答案：C．细节理解题．根据倒数第三行Drink more water a day and have fresh food．每天多喝水，吃新鲜食物．可知，保持健康要多喝水和吃新鲜蔬菜．A，B都正确，选C．
    50．答案：C．推理判断题．根据第四行Reduce outdoor activities．减少户外活动．可知，C选项"我们应该尽可能多地呆在室内．"是正确的．选C．

    点评 阅读题型，要注重句子与句子之间、段落与段落之间逻辑关系以及对篇章的整体理解．根据所给问题选择正确选项完成试题．

    练习册系列答案
    年级 高中课程 年级 初中课程
    高一 高一免费课程推荐！ 初一 初一免费课程推荐！
    高二 高二免费课程推荐！ 初二 初二免费课程推荐！
    高三 高三免费课程推荐！ 初三 初三免费课程推荐！
    相关习题

    科目：初中英语 来源： 题型：选择题

    8．____ it's raining，_______ they expect to go to the park．（　　）
    A．Although； butB．Although；/C．/；/D．But； although

    查看答案和解析>>

    科目：初中英语 来源： 题型：阅读理解

    9．People who are about the same age as you are your peers．Peers include your friends and your classmates，They have strong influence on your actions．Your peers influence how you think，how you act，and even how you dress．Peer pressure is the influence that people of the same age have on one another．
    Sometimes your peers influence you in a helpful or positive（积极的）way．A friend may notice that you have problems in math．And he might invite you to join a study group or show you how to solve a difficult problem during lunch．Such actions are helpful to you．
    Sometimes your peers influence you in a negarive or unhealthy way．A friend might offer you cigarettes（香烟）．Cigarettes are harmful to your health．Your friend knows that．Your friend also knows that underage smoking is against：he law．Yet he or she still makes the offer．This bad influence is negative peer pressure．
    Your peers may not always realize they are influencing you in a negative way．For example．a friend might invite you to the movies．You would love to go．but you have a lot of housework to do．In situations like this you should make a wise decision．
    You can learn to deal with negative peer pressure．Keep away from people who try to influence your behavior in harmful ways．Though it is trot always easy to say no．it's really necessary to learn flow to do that．Follow the following steps．First．look at the person and say no in a firm（坚定的）but polite voice．
    Make sure your face shows that you are serious．Let the person know you will not back down．Then，give reasons for saying no．Explain why you won't do what the person wants．Remember to say goodbye and walk away if he or she continues．

    42．From Paragraph 2•we can infer（推断）that a friend who influences you in a positive way mightD． 
    A．go to school together with you
    B．do your homework instead of you
    C．share cigarettes from his father with you
    D．try to help you when you are in trouble
    43．What does the underlined word"negative"in Paragraph 3 probably mean？A．
    A．Harmful．
    B．Useless．
    C．Careless．
    D．Forgetful．
    44．How many steps of saying no are mentioned in the last paragraph？A．
    A．Three．
    B．Four．
    C．Five．
    D．Six．
    45．Which sentence shows the writer's opinion？B
    A．Peer pressure is the influence that people of the same age have on one another．
    B．We should learn to deal with negative peer pressure．
    C．It's not always important to say no to your peers．
    D．Peers include your friends and your classmates．

    查看答案和解析>>

    科目：初中英语 来源： 题型：填空题

    6．"Can you sing the song ABC？He alwaysasks （ask） me．

    查看答案和解析>>

    科目：初中英语 来源： 题型：阅读理解

    13．Nanotechnology is a new type of science that will be widely used in many fields．Do you want to know more about it？
    Imagine：a television screen has the size and thickness of a piece of paper．You carry it around in your pocket and take it out when you want to watch a show．（61）A guitar is so tiny that you can't see it with the human eyes，but you can hear sound when its strings are pulled．
    （62）Nanotechnology is the science，this kind of science can deal with doing things in a very small way，and it is being studied and developed all over the world．Many scientists say nanotechnology will produce the next industrial revolution（工业革命）．
    （63）也许纳米技术对医学将有最大的影响．Imagine nanobots in medicine．Thousands or even millions of tiny machines can be sent into the human body with specific tasks．For example，（64）they can be designed to find and destroy cancer cells or viruses（病毒）．Other machines may stay in the human body forever to help organs（器官）that are not working properly．
    When could all of these happen？Scientists predict that most of these are possible in the next 30years．Thousands of scientists around the world are working on these micro-machines．Nanotechnology is just around the corner．

    任务一：将61处翻译成中文．一把吉他是如此微小，以至于你用肉眼看不见它
    任务二：将62处改成复合句．Nanotechnology is the science that/which can deal with doing things in a very small way
    任务三：将63处翻译成英文．Perhaps nanotechnology will have the biggest influence on medicine．
    任务四：写出64处"they"指代的内容．Tiny machines
    任务五：65．找出该文段的中心句．Nanotechnology is a new type of science that will be widely used in many fields．．

    查看答案和解析>>

    科目：初中英语 来源： 题型：阅读理解

    3．Different vitamins are found in different foods．Then which foods should be eaten to keep us healthy？Let's look at some important vitamins for the answer．
    Vitamin A helps to protect skin from becoming dry．It is also helpful to the eyes．Without vitamin A，you cannot see well in darkness．Vitamin A is found in animal liver and yellow part of eggs．Sweet potatoes，carrots and other dark colored fruit and vegetables have something that the body can change into vitamin A． 
    Vitamin B changes foods into energy and helps the heart and nervous system（神经系统） to work smoothly．Without it，we will be weak and will not grow．It is found in grains and other foods like beans，nuts，meat and fish．
    Vitamin B helps to produce red blood cells．It is found in foods like eggs，meat，fish，milk and green leafy vegetables．
    Vitamin C is needed for strong bones and teeth，and for healthy blood vessels（血管）．It also helps wounds to heal（意合） quickly．The body stores little vitamin C，so we must get it in foods like oranges，and cabbage．
        Vitamin D increases the levels of calcium（钙） in the blood．Calcium is needed for verve and muscle（肌肉） cells to work normally，as well as to build strong bones．Fish liver oil has vitamin D．In some countries，milk producers add vitamin D to milk so that it will be good for children．
    36．WithoutA，We cannot see will in darkness．
    A．vitamin A      
    B．vitamin B       
    C．vitamin C       
    D．vitamin D
    37．According to the passage，vitamin B can be found inB．
    A．fish liver oil                                
    B．grains，meat and fish
    C．milk and vegetables                     
    D．animal liver and eggs
    38．From the passage，we know that vitamin C is good forC．
    A．the skin                                      
    B．the heart
    C．blood vessels                               
    D．nerve and muscles
    39．Some milk producers add vitamin D to milk mainly to help children toC．
    A．have good eyesight                             
    B．produce blood cells
    C．get enough calcium                             
    D．heal wounds quickly
    40．According to the passage above，which of the following is"TRUE"？D
    A．We can get vitamins from everything．
    B．We can live healthily with few vitamins
    C．Vitamins are not important to our health．
    D．Different vitamins can help us in different ways．

    查看答案和解析>>

    科目：初中英语 来源： 题型：填空题

    10．deaf    feel   cloud   her    hurt
    86．I get such a strongfeeling of satisfaction when I see the animals get better．
    87．Jenny cutherself．She should put some medicine on the cut．
    88．What would it be like to bedeaf？
    89．Blackclouds were making the sky very dark．
    90．Hehurt himself．He has a sore back．

    查看答案和解析>>

    科目：初中英语 来源： 题型：阅读理解

    10．New Energy in the Twenty-first Century
    Energy from the wind
    Wind is a kind of clean energy，and there is lots of it，But，if there's no wind，there is no wind energy．
    Energy from the water
    When water moves from a high place to a lower place，it can make electricity（电）without pollution．However，people have to build dams（水坝） to use this energy，and building dams is very expensive．
    Energy from the earth
    There is heat in the rocks under the earth．Scientists use the heat to make geothermal（地热的）energy．This kind of energy is cheap，but it is only possible in a few places in the world．
    Energy from the sun
    Solar panels （太阳电池板） on the roofs of houses can turn energy from the sun into electricity．Solar power is clean and plentiful（丰富的）．but when the weather is bad，It doesn't work．

    New Energy in Twenty-first Century
    AdvantagesDisadvantages
    Wind EnergyClean．There is a lot．It needs （57）wind．
    Water Energy（58）No pollutionIt is expensive．
    Geothermal Energy（59）Cheaponly possible in a few places．
    Solar EnergyClean and plentiful．It depends too much on （60）weather．

    查看答案和解析>>

    科目：初中英语 来源： 题型：填空题

    11．Whereis（be） your father？

    查看答案和解析>>

    同步练习册答案