练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情
    1．Big cats have existed on the earth for millions of years，though scientists aren't sure exactly how long．But a new study indicates that a skull（颅骨） of a snow leopard（豹） relative that was recently unearthed is 4.4million years old．That makes it the oldest big cat fossil（化石） ever found．
    A team of US and Chinese scientists unearthed the skull in Tibet．This creature is not a direct ancestor to big cats，but it is closely related to the snow leopard，study leader Jack Tseng told the Associated Press．The fossil lends evidence to the belief that big cats existed in Asia and spread out from there．
    Big cats are at the top of the food chain and have few predators of their own．Big cats include snow leopards，clouded leopards，tigers and lions．Based on genetic judgements，most scientists believe they first existed in Central Asia．But previously，the oldest known big cat fossil was 3.6million years old and found in Africa．
    The new fossil findings were published in the November 13 issue of the science journal Proceedings of the Royal Society B：Biological Sciences．Tseng and his team were fossil hunting in the Himalayas in 2010when they discovered some bones，including the buried cat skull．The researchers were able to determine its age by studying the surrounding rocks and soil．The skull indicates that the animal was about the size of a clouded leopard，which can grow up to 50pounds．In 2012，the team returned to unearth more cat bones．
    David Polly from Indiana University told the Associated Press that the fossil is"convincingly older than the current record holder"．He added that there could be even older big cat fossils in the Tibetan plateau to uncover．

    24．What does the newly unearthed skull proveA？
    A．Big cats might have their origins in Asia．
    B．The oldest fossil is 4.4million years old．
    C．The snow leopard is the oldest big cat．
    D．The skull is of big cats'direct ancestor．
    25．What does the underlined word in Paragraph 3 meanB？
    A．relatives．
    B．enemies．
    C．partners．
    D．protectors
    26．How do the researchers know the skull's ageD？
    A．By measuring its size and forehead．
    B．By examining other bones around it．
    C．By studying its chemical composition．
    D．By exploring the rocks and soil around it．
    27．Where was"the current record holder"in the last paragraph foundB？
    A．Asia．
    B．Africa．
    C．America．
    D．Australia．

    分析 一项新的研究表明，最近出土的一个大概来源于400多万年前的像豹子的头骨，使人们发现了古老的大型猫科动物化石．本文讲述的是科学家们对此化石的研究与对大型猫科动物历史的一些猜测．

    解答 24．A．细节理解题．根据文章第二段"The fossil lends evidence to the belief that big cats existed in Asia and spread out from there"，可知，新的研究证明大型猫科动物最早存在于亚洲．故选A．
    25．B．词义猜测题．根据原句"Big cats are at the top of the food chain and have few predators of their own"，可知，大型猫科动物处于食物链的顶端，很少有自己的 predators．可推测，食物顶端的天敌比较少．因此"predators"是天敌，捕食者之意．结合选项，"enemies"是敌人之意．故选B．
    26．D．细节理解题．根据文章第四段"The researchers were able to determine its age by studying the surrounding rocks and soil"，可知，研究人员根据它周围的岩石及土壤来判断头骨的年龄．故选D．
    27．B．细节理解题．"the current record holder"意为"目前的记录保持者"．根据文章第三段"But previously，the oldest known big cat fossil was 3.6 million years old and found in Africa"，可知，原来记录中发现的最古老的化石来自非洲．故选B．

    点评 本文为人文地理类阅读．此类文章解释说明文居多．说明文的解题关键在于抓住文章第一段内容，通常该部分就是文章的中心思想．说明文是对事物的形状、性质、特征、成果或功用等进行介绍，解释或阐述的文章．把握所说明事物的特征和本质是理解说明文的关键．说明事物特征的方法很多，主要有定义法、解释法、比较法、比喻法、数字法、图表法、引用法和举例法等．

    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：高中英语 来源： 题型：阅读理解

    17．They already guide blind and disabled people； now dogs are to be trained to help people with dementia（痴呆） or Alzheimer's．Alzheimer's can make people confuse night and day or forget basic things such as washing or drinking enough water．
        The dogs will be trained to respond to sound triggers（触发器） in the home that cause them to perform tasks．The duties will include reminding their owners to take medicine，as well as encouraging them to eat，drink and sleep regularly．
        The idea was developed by design students at the Glasgow School of Art and will now be put into practice by Alzheimer's Scotland and Dogs for the Disabled．The first dogs will be distributed to four Scottish couples，where one of the partners is in the early stages of dementia．Some 670，000 people in Britain have dementia and one in three over 65s will develop the condition．By 2021 this is expected to rise to one million．
        Joyce Gray of Alzheimer's Scotland said，"People in the early stages of dementia are still able to live a relatively normal life，and dogs help to maintain routine．"Another advantage of using the pets as companions is that dogs can give them a sense of silent support and companionship．Ms Gray said，"The evidence is that people may forget familiar faces but not pets．It's such a strong bond that people often remember them longest．People don't need to communicate verbally （言语地） but they can still interact．You can have a speechless bond．"
        Helen McCain，director of Dogs for the Disabled，said，"People with dementia often forget to take the medicine．If a dog presents them with a bag with pills in it there's a greater chance of them taking it．The dog would also encourage the owner to take them out for walks，ensuring they keep exercising and interacting with other people．"
    32．In Britain people with dementiaA
    A．are likely to increase in number    
    B．are mostly over 65 years old
    C．will be trained to respond to sound triggers    
    D．will be able to live a relatively normal life
    33．The dogs are taught to perform tasks byD．
    A．making some sound signals  
    B．communicating with the patients
    C．reminding the patients by barking   
    D．reacting to some sound triggers
    34．What does the underlined word"them"in Paragraph 4 refer to？C   
    A．Faces．          B．Triggers．      C．Pets．           D．Companions．
    35．What is mainly talked about in the passage？B
    A．The idea of dementia dogs was developed by students．
    B．Dogs are trained to assist Alzheimer's patients．
    C．British people with Alzheimer's are in poor condition．
    D．The dementia dogs perform most duties of a doctor．

    查看答案和解析>>

    科目：高中英语 来源： 题型：阅读理解

    10．Many people focus on physical fitness，but few know that brain fitness is also something you can work on．In fact，you can exercise your brain as often as you work out your arms or abs--and the results can be positive and empowering．It's helpful to think of your brain as you work out a muscle．To improve your brain，you can't simply repeat the same exercises over and over．Just as lifting a two pound weight will no longer challenge you，so will repetitive exercises such as crosswords or Sudoku．Once you master easy exercises，you must move on to harder ones in order to push your brain-like your muscles-to a new level．
    Scientists once believed that your mental abilities were fixed in adulthood．Now that studies on neuroplasticity have shown just the opposite，millions of people around the world have adopted the new practice of brain training．
    The most popular of these brain training products is made by the San Francisco-based Lumosity，which employs a team of in-house neuroscientists with degrees from Stanford and UC Berkeley．Realizing that brains need more sophisticated programs and guidance to grow and change，Lumosity's scientists work with an experienced team of game designers．Together they've developed a fun，effective online brain training program that measures，tracks，and adapts to your progress so you'll always be challenged．Lumosity's training system and 40+games are based on well-studied tests used in clinical neuropsychology research．
    In a 2013 Stanford study，a treatment group of 21 breast cancer survivors used 12 weeks of Lumosity training to work on processing speed，mental flexibility，and working memory tasks．On average，those who trained improved on tests of these abilities，compared to a group that did not train with Lumosity．There is even some first round evidence suggesting that Lumosity may be beneficial to normal，healthy adults．In a 2011 study by Lumosity and San Francisco State University researchers，13 people who did Lumosity training over 5 weeks improved on tests of brain performance compared to a group that did not train．On average，those who trained improved working memory scores by 10% and attention scores by 20%．
    Training can take just a few minutes a day，but the rewards can make a difference in many aspects of life．The goal of brain training is not to improve game scores：it's to improve the underlying core abilities that those games rely on．Lumosity is one of the first and most popular brain training programs in existence．There's a small fee to use the full product，or new users can start a free trial．
    66．What is the best title for the passage？A
    A．Brain training can make a difference
    B．Brain training-a new science．
    C．Brain training can keep you fit
    D．Brain training-an open online course．
    67．In order to improve our brain，we canB．
    A．do the same exercises day after day                      
    B．challenge it with harder exercises day by day
    C．work out crosswords every day                      
    D．adapt to physical change
    68．According to the passage，what is Lumosity？C
    A．It is a team of in-house neuroscientists
    B．It is a team of experienced game designers．
    C．It is an online brain training program
    D．It is a clinical brain training research．
    69．In Paragraph 4，the writer gives so many figures toD．
    A．explain the cause of Lumosity                                  
    B．clarify the principle of Lumosity
    C．confirm the process of Lumosity                              
    D．show the effect of Lumosity
    70．It seems to us that the passage is exactlyA．
    A．an ad．B．a survey．C．a questionnaire．D．a quiz．

    查看答案和解析>>

    科目：高中英语 来源： 题型：阅读理解

    7．Whether we should allow marine （海洋的） parks to stay open has been widely debated in our community recently．A variety of different arguments have been put forward about it．
    Smith，a sociologist，argued that dolphin parks provide the only opportunity for much of the public to see marine mammals．As this argument goes，most Australians live in cities and never get to see these animals．Marine parks allow the average Australian to appreciate our marine wildlife．However，in fact，there are many places where they can be seen in the wild．Moreover，these places do not charge an overpriced entry fee-they are free．
    Dr．Alison Lane，the director of the Cairns Marine Science Institute，insists that we need marine parks for scientific research．She argues that much of our knowledge of marine mammals comes from studies which were undertaken at marine parks．The knowledge which is obtained at marine parks can be useful for planning for the preservation of marine mammal species．However，Jones，a zoologist，explains that park research is only useful for understanding captive animals and is not useful for learning about animals in the wild．Their diets are different，they have significantly lower life lengths and they are more likely to have a disease．In addition，marine mammals in dolphin parks are trained and this means that their patterns of social behaviour are changed．
    The Marine Park Owners Association holds that marine parks attract a lot of foreign tourists．This position goes on to state that these tourists spend a lot of money，increasing our foreign exchange earnings and assisting our national balance of payments．However，foreign tourists would still come to Australia if the parks were closed down．Indeed，surveys of overseas tourists show that they come here for a variety of other reasons and not to visit places like Seaworld．Tourists come here to see our native wildlife in its natural environment and not to see it in cages and concrete pools．They can see animals in those conditions in their own countries．
    In a word，perhaps an agreement cannot be reached now．However，a question does deserve our consideration：If we continue with our past crimes against these creatures，how will our future generations view us？

    67．Who support（s） the idea of closing marine parks？D
    A．Most Australians．       B．Alison Lane．
    C．Smith．                  D．Jones．
    68．What does the author intend to tell us in Paragraph 3？B
    A．The results from studies are valuable in animal preservation．
    B．Scientific research at the marine parks has its limitations．
    C．Captive animals have biology changes in marine parks．
    D．Human behavior causes harmful effects on the animals．
    69．Which is NOT the reason to keep marine parks？D
    A．For entertainment purpose．
    B．For scientific research purpose．
    C．For economic purpose．
    D．For political purpose．
    70．The author tries to persuade readers to accept his argument mainly byA．
    A．pointing out the problems with keeping the marine parks
    B．using evidence he has collected at the marine parks
    C．discussing the advantages of animals'natural homes
    D．questioning the way the animals are studied．

    查看答案和解析>>

    科目：高中英语 来源： 题型：阅读理解

    14．Below is a brief analysis of the first name only．For an analysis of your full name and destiny，see our service for further details．
    ①The name of Iosefo creates a mature，self-possessed，and responsible nature．
    ②You are an organizer and leader who exercises sound and fair judgment in all your dealings，both business and personal．
    ③The name is a very practical influence，causing you to take your responsibilities seriously．
    ④At times it is difficult for you to see the lighter or more humorous side of a situation because of your serious attitude．
    ⑤Your highly capable and efficient nature makes it difficult for some people to approach you．
    ⑥Although you desire to serve your fellow man，you may at times lack tolerance for those who are less self-assured and whose approach to life is not as positive and optimistic as your own．
    ⑦You are strongly independent and would be happiest when working without supervision，preferably in your own business where you have the challenge of"standing or falling"by your own decisions．
    ⑧A good material standard of living is of utmost importance to you and you are careful to select only the best quality in all your purchases．
    In your free Name and Birth Date Report you will find out about the powerful energies contained in your：
    •first name
    •last name
    •combined names
    •legal names
    •business signatures
    •nickname
    •destiny
    •life purpose and inner potential measured from your date of birth
    We Are Here To Help
    We thank you for your interest and we look forward to talking with you further about the Kabalarian Philosophy after you have read your free Name and Birth Date Report．
     
    71．According to the passage，the following eight items refer to a brief analysis ofB．
    A．one's full name                                              B．one's first name
    C．one's last name                                              D．one's legal name
    72．People can find out about the powerful energies contained in one'sC．
    A．nickname                        
    B．life purpose and inner potential measured from your date of birth
    C．free name and birth date report
    D．destiny
    73．What is the passage intended to do？D
    A．To make an advertisement．
    B．To report a kind of service．
    C．To turn out a scientific result．
    D．To introduce a book about a kind of service．

    查看答案和解析>>

    科目：高中英语 来源： 题型：阅读理解

    6．How to Relieve Exam Stress
    Exam time is here and stress levels are up．You're stuck indoors hitting the books，writing papers，and preparing projects．With the importance of exams，it is understandable that you feel stressed．When faced with something stressful，your body reacts．（36）G．
    Yes．You Can!
    Believe in yourself that you can pass the exam．Don't focus on how bad it would be for you if you performed poorly．Instead，focus on how good it would be when you did well．
    （37）E．Don't let it get into a panic，though．Just c1ose your eyes and take long slow breaths．Doing so will calm your nerves and help you get back your focus．
    Don't Cram for Exams
    Research has shown that cramming（临时突击）at the last minute for exerts is not efficient．It only adds more stress to your body and mind for lack of sleep and poor nutrition．
    Instead of cramming，review your notes，read or do what you would normally do for a test．You have already mastered all the knowledge you need．（38）B．A rested body and a sharp mind will put you in a good state．
    Keep a Normal Life
    One of the best ways you can relieve the stress of exams is to keep a normal life．After studying you should reward yourself．（39）F．It will do wonders to relieve your stress，but be sure to get back in time and get a good night's sleep．
    Eat Well and Exercise
    Food is energy for the brain，so be sure to eat well．Energy drinks are NOT food．Try brain foods such as bananas，other fruits and foods high in carbon．
    Exercise is also a great way to relieve stress．Shooting basketball with friends or working out at the gym will help raise your energy and reduce stress．（40）C

    A．They will be over soon!
    B．So try to get a good night's sleep．
    C．Even a walk around campus will raise your energy level．
    D．You can build your body in various ways．
    E．It's normal to feel nervous before and during an exam．
    F．Go out with friends to get a good meal．
    G．You just need to understand this is a normal reaction and take steps to deal with it．

    查看答案和解析>>

    科目：高中英语 来源： 题型：阅读理解

    13．To get a chocolate out of a box requires a lot of unpacking：the box has to be taken out of the paper bag in which it arrived，the cellophane （玻璃纸） wrapper has to be torn off，the lid opened and the paper removed，the chocolate itself then has to be unwrapped from its own piece of paper：But this overuse of wrapping is not limited to luxuries．  It is now becoming increasingly difficult to buy anything that is not done up in beautiful wrapping．
    The package itself is of no interest to the shopper，who usually throws it away immediately． Useless wrapping accounts for much of the refuse put out by the average London house-hold each week  So why is it done？Some of it，like the cellophane on meat，is necessary，but most of the rest is simply competitive selling．  This is absurd．Packaging is using up valuable energy and resources and polluting the environment．
    Recycling is already happening with milk bottles which are returned to the dairies（牛奶场），washed out，and refilled． But both glass and paper are being threatened by the growing use of plastic． More dairies are experimenting with plastic bottles．
    The trouble with plastic is that it does not rot．Some environmentalists argue that the only solution to the problem of ever increasing plastic containers is to throw away plastic altogether in the shops，a suggestion unacceptable to many producers who say there is no alternative （替代品） to their handy plastic packs．
    It is evident that more research is needed into the recovery and reuse of various materials  and into the cost of collecting and recycling containers rather than producing new ones．  Unnecessary packaging，intended to be used just once，and make things look better so more people will buy them，is clearly becoming increasingly absurd．But it is．not so much a question of throwing away packaging as using it wisely．What is needed now is a more advanced approach to using scarce resources for what is，after all，a relatively unimportant function．
    72． The underlined part"this overuse of wrapping is not limited to luxuries"（in Paragraph l）means．C
        A． more wrapping is needed for ordinary products
        B． more wrapping is used for luxuries than for ordinary products
        C． too much wrapping is used for both luxury and ordinary products
        D． the wrapping used for luxury products is unnecessary
    73． Packaging is important to producers becauseB．
        A． it is easy to use it again
        B．they want to attract more shoppers
        C． shoppers are all interested in beautiful packaging
        D． packaged things will not go rotten
    74． According to the passage，dairies areC．
        A． experimenting with the use of paper bottles 
        B．giving up the use of glass bottles
        C． increasing the use of plastic bottles        
        D．reusing their paper containers
    75． Some environmentalists think thatD．
        A． plastic packaging should be made more convenient
        B． no alternative can be found to plastic packaging
        C． too much plastic is wasted
        D． shops should stop using plastic containers．

    查看答案和解析>>

    科目：高中英语 来源： 题型：填空题

    8．I have always enjoyed reading．Since I was a child I have wanted to be an author．That is （61）whyI studied Online-Journalism with focus on Online-Public Relations for the last three years．Therefore I had to read a（62）lot．My university had a well-kept digital library．At home I could check if the books I need for class were available on line．Nevertheless actually going to the library and（63）searching（search） in the Media section was more （64）effective（effect）．I spent quite a few study hours in the library looking for interesting books for my studies．Additionally，I with my fellow students，（65）spent（spend） a lot of time there sitting on the couch and chatting．
    For my studies I had to read books about （66）entertainment（entertain），public relations，journalism，ethics in media and countless （67）othertopics．Sometimes the educational reading could get very exhausting．I remember the（68）classes（class） of Prof．Peter Seeger，which inspired me so much．We discussed the news and topics （69）covered（cover） by the media．I could easily join every conversation and talk with （70）highly（high） educated people about international and regional politics，and social injustices，just because of reading．Until today I have kept reading routine I started at that time．

    查看答案和解析>>

    科目：高中英语 来源： 题型：阅读理解

    20．Trip 1 Black Bear Count
    There have been several fires in this area in the last few years and the Office of Na-tional Parks is not sure how many black bears have survived．Some bears have been seen since the fires，and the Office has asked for volunteers to help count them．The entire trip will last three hours．Bookings essential．
    Cost：free When：May 8
    Trip 2  Garland Valley
    Bring your binoculars（双筒望远镜）and lunch for this walk in a beautiful area of the Blue Mountains．Garland Valley is close to the town of Garland but is also part of the National Park．A lot of wild animals live in this area，including many rare birds．This is a great walk for bird-lovers．The trip lasts four hours．Bookings essential．
    Cost：﹩15     When：May 8，May 15
    Trip 3  Flashlight Adventure
    Put on some warm clothes，bring a flashlight and come for a night walk along the Dungog Valley．A guide will lead the tour．Many of the animals you see on this trip can only be seen at night．The guide will tell you about the habits of the animals you see．Numbers are strictly limited on night trips，so be sure to book early．This walk lasts two and a half hours．
    Cost：﹩12   When：May 8，May 15，May 22
    Essential Equipment：
    ●Please bring enough water and food for all walks．
    ●Wear good walking shoes-no high heels or sandals．
    ●Wear a hat for day walks．
    ●Dress warmly for night walks．
    ●Children must be accompanied by an adult．
    ●Make sure your flashlight works well and bring extra batteries for night walks．
    ●Follow all instructions from guides during the walks．The mountains can be danger-ous．
    Booking：
    Bookings for the above trips can be made by telephone at 893-4847 or on the Inter-net www．bluemountaintour．com

    66．Trip l is free most probably becauseC．
    A．there have been several fires in the area
    B．it lasts for a very short time
    C．you must do some helping job on this trip
    D．black bears are not rare animals
    67．Trip 2 offers you a great opportunity toB．
    A．have lunch in the valley
    B．watch rare birds
    C．count wild animals
    D．work for the National Park
    68．Which of the following is NOT necessary for Trip 3？D
    A．Good walking shoes．    
    B．Food and water．
    C．A flashlight．    
    D．A hat．
    69．If you want to take all the trips but would not tire yourself out，you'd better takeAfirst．
    A．Trip l    B．Trip 2    C Trip 3    D．another trip
    70．Which of the following would be the best title for the passage？D
    A．Wild animals in the National Park  
    B．Hunting in the Great Mountains
    C．Great Tips for Great Trips    
    D．Discovery Trips in the Blue Mountains．

    查看答案和解析>>

    同步练习册答案