练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情

    To those scientists, it still remains to be a question ______ man can go back to the old days with time machine.

    A．if

    B．that

    C．how

    D．whether

      

    【答案】

    D

    【解析】略

     

    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

    It is midnight on September 22，2012．The sky above Manhattan，New York is filled with a curtain of colorful light． New Yorkers are fascinated by the beautiful aurora(极光)．However, their fascination is short-1ived．

     Within a few seconds，electric bulbs dim(变暗)and flicker(闪烁)，then become unusually bright for a few seconds．Then all the lights second  go out．Within 90 seconds，the entire eastern half of the US is without power．

     Besides the US，Europe，Japan and China are also  hit by the same terrible event．It is a violent solar flare(太阳耀斑)，150 million kilometers away on the surface of the sun．

     Science fiction? No．A report funded by NASA and issued by the US National Academy of Sciences in January this year says it could happen．

     A massive solar flare is most likely on a spring or autumn night in 2012，according to the report．

    Solar flares are huge explosions on the surface of the sun．In a matter of just a few  minutes they heat material to many millions of degrees and release as much energy as a billion megatons(百万吨)of TNT explosives．Solar flares release a stream of charged high-energy particles(粒子)．They are called“solar winds”

     If one solar‘‘wind’’should hit the Earth's  magnetic shield(磁扬)，the result could be terrible for humans.

    But there’s no need to run  for cover from solar winds．  They do not harm 1ife on  Earth，they only affect the way we live，especially since  we depend so much on modern  technology．They can pump extra electricity into power line,  and pipelines，causing blackouts and fuel leaks(泄漏).  Solar winds are also known to affect mobile phone operations, and may disrupt wireless Internet services．

    Moreover, solar winds can prevent normal satellite operations，and disrupt radio communications  and navigation systems such as the Global Positioning System．

     Auroras  are  powered  by  solar wind．This wind blows  past the Earth at about 400-700 km per second and creates storms in the Earth’s magnetic environment．In the polar regions these explode into southern or northern polar lights．

     The most serious solar storm that hit Earth in history happened in 1859． It caused the failure of telegraph(电报)systems in Europe and  North America．

     So, for humans，the sun is  a  double-edged sword． Without1 the sun, there would  be no 1ife  on  Earth． Without the sun，   Earth would be a frozen dark   ball floating in space．However,  on the other hand，the sun can  disorder our 1ives from time  to time．    

    10．What is the main idea of the passage?

    A．It introduces to readers the advantages and disadvantages of the sun．

    B．It describes a science fiction set in Manhattan on 22 September 2012．    

    C．It shows readers the way in which solar winds form inside the sun．

    D．It explains what solar flares are and their effects on human life．

    11．The first two paragraphs are written_________.

    A．to show a beautiful scene in a true story

    B．to describe the beautiful scenery of Manhattan

    C．to describe the power problem around the world

    D．to introduce the topic of this passage

    12．What can we conclude from the passage?

    A．Solar flares will do great harm to those who are using the Internet．

    B．Solar flares cannot reach as far as the polar regions．

    C．Solar flares are huge explosions that happen inside the sun．    

    D．1f it weren’t’t for our reliance on technology, solar flares probably wouldn’t affect us．

    13．Solar winds will likely affect us in the following ways EXCEPT that    ．

    A．normal satellite operations will be stopped

    B．the lights in the areas affected will go out at the same time

    C．people on the streets will be struck to death

    D．some navigation systems will be out of order

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年福建省莆田市高三3月质量检测英语试卷（解析版） 题型：其他题

    How time flies! Three years have passed since I? 1. (进入)the schoo1．As a Senior Three student，it won’t take long 2. I graduate. High school is regarded as the golden time in a person’s life．Now，I have much to share 3.? my schoolmates．

    Firstly，I’d like to show my appreciation to those s 4.? by me all the way，teachers，parents and 5.? (朋友)included. Without their help and advice，my life would be different. 6.??? ，it's high time to say sorry to classmates whom I hurt or misunderstoods .? 7.? (交际)and smiles act as bridges to friendship．More importantly，I’ve made up my mind to make every? effort to? study，for? I? believe? hard work? is the key to success． Just as the old saying g? 8.?? ，“No pains，no gains．”

    Finally，I hope that every one of us can a 9.?? his/her dream in the near future．I’ll attach

    great significance to our friendship formed at school，and I'd like to keep in contact with you after graduation．Meanwhile，I suggest all the younger fellows make f 10.? use of time，because time waits for no one．

     

    查看答案和解析>>

    科目：高中英语 来源：2012年人教版高中英语必修五Unit2 练习卷（解析版） 题型：阅读理解

    Scotland is a well-developed tourist destination, with tourism generally being responsible for sustaining 200, 000 jobs mainly in the service sector, with tourist spending averaging at £4 bn per year. Tourists from the United Kingdom make up the bulk (主体) of visitors to Scotland. In 2002, for example, UK visitors made 18.5 million visits to Scotland, staying 64.5 million nights and spending £3.7 bn. In contrast, overseas residents made 1.58 million visits to Scotland, staying 15 million nights and spending £806 m. In terms of overseas visitors, those from the United States made up 24% of visits to Scotland, with the United States being the largest source of overseas visitors, and Germany (9%), France (8%), Canada (7%) and Australia (6%), following behind.

    Scotland is generally seen as clean, unspoilt destination with beautiful scenery which has a long and complex history, combined with thousands of historic sites and attractions. These include prehistoric stone circles, standing stones and burial chambers, and various Bronze Age, Iron Age and Stone Age remains. There are also many historic castles, houses, and battlegrounds, ruins and museums. Many people are drawn by the culture of Scotland.

    The cities of Edinburgh and Glasgow are increasingly being seen as a cosmopolitan（全世界的）alternative to Scotland’s countryside, with visitors year round, but the main tourist season is generally from April to October inclusive. In addition to these factors, the national tourist agency, VisitScotland, have deployed a strategy of niche (适当的) marketing, aimed at exploiting, amongst other things, Scotland’s strengths in golf, fishing and food and drink tourism. Another significant, and increasingly popular reason for tourism to Scotland — especially by those from North America— is genealogy, with many visitors coming to Scotland to explore their family and ancestral roots.

    1.People from ________ visited Scotland most.

    A．the USA

    B．France

    C．the UK

    D．Germany

    2.For Chinese students, the best time to visit Scotland is in ________.

    A．the Spring Festival

    B．the winter vocation

    C．the summer vacation

    D．any time

    3.Scotland mainly impresses tourists with its ________.

    A．food and drink

    B．beautiful scenery with cultural relics

    C．big cities like Edinburgh

    D．many North Americans’ family and ancestral roots

    4.In 2002, visitors from the US made about ________ visits to Scotland.

    A．18.5 m

    B．1.58 m

    C．4.45 m

    D．0.38 m

    5.Which of the following is true according to the text?

    A．In history, many Scotlanders moved to North America.

    B．Overseas visitors do not like to stay in Scotland for the night.

    C．VisitScotland is trying to change people’s impression on Scotland.

    D．Overseas visitors come to Scotland mainly to explore their family roots.

     

    查看答案和解析>>

    科目：高中英语 来源：2012-2013学年宁夏高三第一次月考英语试卷（解析版） 题型：阅读理解

    A new study suggests that the round­the­clock availability that cell phones have brought to people's lives may take a toll on family life. The study，which followed more than 1,300 adults over 2 years, found that those who consistently used a mobile phone throughout the study period were more likely to report negative “spillover” between work and home life—and，in turn，less satisfaction with their family life.

    Spillover essentially(本质上)means that the line between work and home begins to become unclear. Work life may invade home life when a parent is taking job­related calls at home，for instance—or family issues may start to take up work time. For example，a child may call mum at work，telling her “microwave exploded”，explained Noelle Chesley，an assistant professor of sociology at the University of Wisconsin­Milwaukee and the author of the study. The problem with cell phones seems to be that they are allowing for even more spillover between work and home.

    This may be especially true for working women，the study found. Among men，consistent use of mobile phones seemed to allow more work issues to creep (潜入)into family time. But for women，the spillover tended to go in both directions. Being “connected” meant that work cut into home time，and family issues came into work life.

    Cell phones seem to be opening more lines for stressful exchanges among family members. But there may be ways to control the spillover，according to Chesley. Employers, she said，could look at their policies on contacting employees after hours to make sure their expectations are “reasonable”．For their part，employees could decide that cell phones go off during family time, Chesley said.

    1.What does the underlined phrase “take a toll on” probably mean in Paragraph 1?

    A．Explaining.

    B．Founding.

    C．Extending

    D．Damaging.

    2.According to Chesley，what is the best solution to the problem caused by cell phones?

    A．Separate work hours from family time.

    B．Refuse to use cell phones.

    C．Ignore coming calls during family time.

    D．Encourage women to stay at home.

    3.We can learn from the passage that ________.

    A．cell phones affect men as much as women

    B．cell phones seem to be convenient to families

    C．cell phones make the line between work and home unclear

    D．we can do nothing to solve the problem

    4.What is the main idea of the passage?

    A．How to control the negative spillover caused by cell phones.

    B．How work life invades home life.

    C．Consistent use of cell phones makes people feel less satisfied with their work.

    D．Cell phones cause negative “spillover” between work life and home life.

     

    查看答案和解析>>

    科目：高中英语 来源：湖南省长沙市2010届高三下学期模拟测试卷英语（B 题型：阅读理解

    PART THREE READING COMPREHENSION

    Directions: Read the following three passages. Each passage is followed by several questions or un­finished statements. For each of them there are 4 choices marked with A, S, C and D, Choose the one that fits best according to the information given in the passage.

    A

    Matt Scott, who was born with spina bifida (脊柱裂)，grew up in Detroit, Michigan, where he participated in a variety of sports alongside his healthy friends. Now as a member of University of Wis­consin -Whitewater wheelchair basketball team, Scott has won four national championships, and hats' recently been selected to the Paralympic team for the second time. The 23 ― year 一 old college senior owes his achievements to his hard work and the support of his friends and family, who never allowed him to use his disability as an excuse. "My mother was always great. Whenever I felt giving up, she had no sympathy. She really helped me build my independence by not babying me the way other mothers would have," Scott says.

    It was Scott' s independent nature and strong will, along with his on - the - court skills, that at­tracted the attention of America's most influential sports apparel (衣服)company, Nike. Nike was searching for an athlete with a disability to represent its "Just Do It " trademark. A handful of super­star athletes with disabilities came to audition for the role, but the company picked Scott to star in the 30 一 second commercial.

    "I think that they were looking for the prettiest face in America, and found me," Scott jokes about the selection process.

    After being picked, Scott flew to California to film the commercial with Oscar - winning docu­mentary director Errol Morris. The ad gave Scott celebrity (名人)status in the community of disabled athletes. He's been asked to speak at a number of disability - related events, and feels it's his duty to use the media to draw attention to those with disabilities. "I've been given a voice, and I want to do whatever I can to break down the social barriers that are still faced by disabled athletes, and make people realize that they have a very high athletic level," Scott says.

    56.When Scott was young,   ?

    A.he only played basketball with other disabled children

    B.he became disabled during a basketball match

    C.his friends looked down upon him during basketball matches

    D.his mother didn't give him special treatment

    57.Nike chose Scott to star in its commercial for his   ________.

    a. pretty appearance       b. independent nature

    c. strong will  d. excellent basketball skills

    e. status in the community of disabled athletes

    A. bee     B. ade     C. abd     D. bed

    58.The underlined phrase "audition for " in the second paragraph means " ".

    A. try out for  B. look out for        C. take on      D. pick out

    59.Which of the following about Scott is TRUE?

    A.He has graduated from the University of Wisconsin ― Whitewater.

    B.He thinks it's unwise for the disabled to use disability as an excuse.

    C.He starred in a commercial together with Errol Morris.

    D.He thinks it's important to have many goals.

    60.To Scott, the most important result of the ad was that    .

    A.it made people realize the athletic talent of the disabled

    B.it gave him a chance to show his basketball skills

    C.he could do more for disabled athletes

    D.he was selected to the Paralympic team again

     

    查看答案和解析>>

    同步练习册答案