精英家教网 > 高中英语 > 题目详情

The Antarctica is actually a desert.
The Antarctica is all ice all the year. The warmest temperature ever recorded there is zero at the South Pole. Explorers(探险家) used to think that a place so cold would have a heavy snowfall. But less than ten inches of snowfalls each year. That is less than half an inch of water. Ten times that much moisture(水分) falls in parts of the Sahara.
The little snow that falls in Antarctica never melts(融化). It continues to pile up deeper and deeper year after year and century after century. When the snow gets to be about eighty feet deep, it is turned to ice by the weight of the snow above it.
1. Antarctica is called a desert because it _____.
A. is sandy
B. has the same temperature as a desert
C. has little moisture
D. all of the above
2. The Antarctica has _____.
A. ten times as much moisture as the Sahara
B. the same amount of moisture as the Sahara
C. about one-tenth the moisture of the Sahara
D. none of these
3. The snow in Antarctica is very deep because it _____.
A. never stops falling
B. piles up year after year
C. never melts
D. Both B and C
4. The best title for this passage is “_____”
A. A Strange Continent
B. The Antarctica—An Ice Desert
C. Snowfall at the South Pole
D. The World’s Greatest Desert

小题1:C
小题2:C
小题3:D
小题4:B
练习册系列答案
相关习题

科目:高中英语 来源:不详 题型:阅读理解


第二节简答题(共3小题;每小题1.5分,满分4.5分)
Tsunamis (海啸) are a series of huge waves created by an underground movement such as an earthquake or a volcanic eruption (火山喷发) . A tsunami can travel hundreds of miles per hour in the open ocean and hit the land with huge waves.
From the area where the tsunamis come, waves travel in all directions. Once the waves approach the coast, they will become more than 100 feet in height. The topography (地形) of the coastline and the ocean floor will influence the size of the wave. There may be more than one wave and the latter one may be larger than the one before. That is why a small tsunami at one beach can be a huge wave a few miles away.
All tsunamis are dangerous, even if they may not damage every coastline they strike. A tsunami can strike anywhere along most of the US coastline. Many harmful tsunamis have occurred along the coasts of California, Oregon, Washington, Alaska and Hawaii.
A movement of the ocean floor, caused by earthquakes, most often causes tsunamis. If a tsunami occurs close to a coast, the first wave could reach the beach in a few minutes, even before a warning is given. Areas are at greater risk if they are less than 25 feet above sea level and within a mile of the coastline. Drowning is the most common cause of death during a tsunami. Tsunami waves are very harmful to buildings. Other dangers include floods, pollution of drinking water, and fires from gas lines.
An accurate prediction (预报) system will allow authorities (官方) to issue timely warnings and save lives in the event of a shore-bound tsunami. But forecasting tsunamis accurately is very difficult because the ocean is usually calm before they strike land.
65. What can cause tsunamis according to the passage? ( 回答词数不超过6个 )
______________________________________________________________________________
66. What harm can a tsunami bring besides killing people and damaging buildings? ( 回答词数不超过15个 )
______________________________________________________________________________
67. Why is it very difficult to forecast tsunami accurately ? ( 回答词数不超过9个 )
______________________________________________________________________________

查看答案和解析>>

科目:高中英语 来源:不详 题型:完形填空


第二节 完形填空(共20小题;每小题1.5分,满分30分)
阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该选项涂黑。
In the United States more than 80 colleges now accept just only women. Most of them were founded in the 19th century. They were set up to   21   women the education they could not get anywhere else. At that time   22   of the universities and colleges   23   only men. In the past 20 years many young women have   24   to study at colleges that accept both men and women. As a   25  , some women’s colleges decided to accept men students, too. Others still refused to change. Now the women’s colleges are   26   again.
The president of Trinity College in Washington D. C said by the end of the 1980s women had come to   27   that studying at the same colleges with men and women did not mean   28   had the same chance to   29  . The president of Smith College in Massachusetts said “A women’s college  30   women to choose classes and activities  31  . For example, if a woman student wants to learn math, she will be given the chance. So the percentage of students who like to study math in a women’s college is   32   than that in a college with men and women.”
Experts say men students in the United States  33   have enough courage to speak in class.  34  , women students can’t. In a women’s college, women feel free to say   35   they want to. According to a report, women colleges also   36   leadership ability in many fields. At a women’s college, every   37   office is held by women. Recent studies   38   that this leadership continues after   39  . The studies also prove that it is easier for the American women who went to women’s college to   40   successful jobs later in life. Maybe that is why this kind of college is liked by people now.
21. A. make                  B. elect                        C. offer                   D. call
22. A. some                 B. most                        C. few                     D. none
23. A. liked                  B. accepted                   C. attracted              D. helped
24. A. chosen                B. failed                       C. regretted             D. hated
25. A. goal                   B. model                      C. result                  D. level
26. A. separate                     B. troublesome              C. special                       D. popular
27. A. forget           B. realize                      C. expect                 D. remember
28. A. students                     B. presidents                 C. men                    D. women
29. A. work                  B. visit                         C. choose                       D. survive
30. A. permits               B. forbids                     C. forces                 D. reminds
31. A. obviously            B. freely                       C. exactly                D. immediately
32. A. smaller               B. more                        C. higher                 D. lower
33. A. usually               B. never                       C. sometimes           D. seldom
34. A. Finally               B. Therefore                 C. However             D. Besides
35. A. how                   B. what                        C. when                  D. where
36.A. bring down          B. bring over                C. bring round      D. bring about
37. A. governing           B. cleaning                   C. serving                D. booking
38. A. mean                  B. show                        C. warn                   D. conclude
39. A. school                B. work                        C. graduation           D. death
40. A. hold                   B. gather                      C. lose                   D. require

查看答案和解析>>

科目:高中英语 来源:不详 题型:阅读理解


Organic foods are produced according to certain production standards, meaning they are grown without the use of conventional pesticides, or chemical fertilizers and that they were processed without food additives. Livestock are raised without the routine use of antibiotics(抗生素)or growth hormones. In most countries, organic produce must not be genetically modified. They may also be required to be produced using energy-saving technologies and packaged using recyclable materials when possible.
Early consumers interested in organic food would look for non-chemically treated, fresh or minimally processed food.
They mostly had to buy directly from growers: “Know your farmer, know your food” was the motto. Personal definitions of what constituted ( 组成)“organic” were developed through first-hand experience: by talking to farmers, seeing farm conditions, and farming activities. Historically, organic farms were relatively small family-run farms — which is why organic food was once only available in small stores or farmers’ markets.
However, since the early 1990s organic food has had growth rates of around 20% a year. As of April 2008, organic food accounts for 1 - 2% of food sales worldwide. Currently organic food production is legally regulated. Many countries require producers to obtain organic certification in order to market food as organic.
Several studies have attempted to examine and compare conventional and organic systems of farming. The general consensus(共同看法)is that, in the short term, organic farming is less damaging for the following reasons:
● Organic farms do not release synthetic pesticides (合成农药) into the environment — some of which have the potential to harm soil, water and local wildlife.
● Organic farms are better than conventional farms at keeping diverse ecosystems, i.e., populations of plants and insects, as well as animals.        
● Organic farms are more energy efficient and produce less waste.
Another report published in March 2008 by The Organic Center claims that organic food is on average 25% more nutritious than conventional food.     
However, many critics believe that the increased land needed to farm organic food could potentially destroy the rainforests and wipe out many ecosystems. And organic products cost 10 to 40% more than similar conventionally produced products. Processed organic foods in supermarkets are 65% more expensive.
1. Early consumers knew what food was “organic” by _______.
A. firsthand experience                                     B. the “certified organic” label tag
C. its packaging                                                      D. examining its organic certification
2. We can infer that _______.
A. in America, organic food can only be bought in small stores or farmers’ markets
B. organic food is also available in large supermarkets at present
C. organic food is produced by large-scale farms
D. organic food is often beautifully packaged
3. According to the passage, organic food is considered as _______.     
A. junk food              B. delicious snacks               C. green food      D. conventional food
4. What is the main idea of the last paragraph?
A. The benefits of organic food.                               B. The cost of organic food.
C. The disadvantages of organic food.                   D. Organic food and conventional food.
5. Which of the following statements does NOT support the view that organic farming is more environment-friendly?
A. Organic food is generally thought to be more nutritious.
B. Organic farms are more energy efficient and produce less waste.
C. Organic farms are better than conventional farms at maintaining varieties of plants, insects and animals.
D. Organic farms do not release synthetic pesticides into the environment.

查看答案和解析>>

科目:高中英语 来源:不详 题型:阅读理解


In late March, Southwest University became the first school in China to open a 24-hour hotline providing suicide-prevention counseling.
College suicide is a heart-breaking and argumentative topic.Chinese college students have long been the focus of public attention: their youth, education and, most importantly, bright futures make them the envy of society.
However, in recent years, we've read more reports of student suicides.Perhaps that's simply because of society's attention with youth.But it could also signify the increasing troubled mental state of college students.
Many studies have sought to find out the causes of student suicides.Not surprisingly, the top factors usually include psychological and physical sickness, emotional trouble and peer pressure.Despair about their futures is also quickly becoming a leading factor: many students say they feel hopeless and confused about the direction of their careers in a crowded job market.
Thankfully, more and more universities and colleges are providing counseling services to address students' mental and psychological problems.These at least offer some comfort to students facing tough job prospects and personal difficulties.
From appointing in-house student counselors to setting up hotlines and recruiting students to help their troubled peers, many universities are making efforts to fight student depression.There is no denying that much remains to be done, but such efforts are already working, helping students and saving lives.
However, the most important front in this battle lies with the students themselves.Whatever efforts school officials make, it is up to students to realize their problems and ask for help.Unfortunately, many students considering suicide refuse to seek help.By shutting themselves away, they can easily fall into vicious cycles (恶性循环), becoming even more easily hurt to personal
difficulties and the pressures of the outside world.
While establishing better on-campus psychological education and outreach programs as a step forward, students themselves must actively reach out for help.These dangers are a reality for every
student, not only those who feel confused and depressed.
63.Why are there so many students that commit suicide?
A.Because of psychological and physical sickness.?
B.Because they feel hopeless and confused about their future.
C.Because of the emotional trouble.
D.All of the above.
64.According to the article, all of the following are right except ____.
A.No university in China had a whole day hotline about suicide-prevention before March.
B.Many people envy the college students their bright futures.
C.The students who feel confused and depressed may need psychological education.
D.The problems of student suicides indicate the increasing troubled mental state of youths.
65.The key to avoid student suicides is that ____.
A.parents communicate with their children and understand them
B.colleges and universities offer more help to students
C.students themselves realize their problems and seek help from others
D.friends give more comfort and show more understanding to the problem students
66.Which of the following can be the main idea for this article?
A.Help is at hand for suicidal students.
B.More college students commit suicide.
C.How can students avoid committing suicide?
D.Why do college students feel depressed?

查看答案和解析>>

科目:高中英语 来源:不详 题型:阅读理解


How did a high school football coach build a championship dynasty by never playing to win? In Smith Center, Kansas, Roger Barta, 64, a longtime coach and former math teacher at Smith Center High School, wearing a red shirt, stood before his players.“…Guys.We don't talk about winning and losing.We talk about getting a little better every day, about being a team.” Over the next four months, his team went on to beat other teams, winning another perfect season.
Barta grew up in Plainville, and when a back injury ended Barta's playing career, he wasn't sure whether he wanted to be a college student.One summer, he took a job in the Kansas oil fields.It took him a single rainy day of working in the field to realize that university was for him.“I almost froze to death,” he says.He looked around at his co-workers, who were aged beyond their years."They were all missing fingers and teeth.I didn't want to do that for the rest of my life."
He returned to Fort Hays State to earn a mathematics degree and went on to get a master's in math education at the University of Georgia.Today, Barta spends as much time helping players figure out what they want to do with their lives as he does coaching.
To most kids here, Barta is not just a winning coach but also a mentor(导师,顾问).Barta insists that the members of his team be well-rounded.During last year's playoffs(附加赛), for instance, Joe Osburn was struggling with Macbeth in English class.Barta told him that either he mastered Shakespeare or his season was finished.Barta got the captains involved, and they took turns quizzing Osburn on his lines of Shakespeare.He pulled his grades up and kept playing.
“Roger likes everything about football,” says Barta's wife, Pam.“But what he loves most is watching the boys learn a little more.”
1.What does the first paragraph mainly talk about?
A.How Barta built a championship dynasty?
B.Barta’s career as a coach.
C.How Barta taught his students football skills.
D.Barta’s attitude towards winning and losing.
2.From the the passage we know Barta       .
A.hurt his back in an oil field
B.didn’t want to be a college student
C.wasn’t satisfied with being an oil worker
D.began his playing career at high school
3.Which of the following statements about Barta is TRUE??
A.He earned his master’s degree from Fort Hays State.
B.He helps his players deal with life.
C.He likes Shakespeare very much.
D.He loves football more than anything else.
4.Which of the following is the best title for the passage?
A.How to Be a Good Football Coach
B.A Brief Introduction to Roger Barta
C.Coach and Math Teacher—Roger Barta
D.Life Coach—Roger Barta

查看答案和解析>>

科目:高中英语 来源:不详 题型:阅读理解


Cellphone feels like a part of your body? A global survey has found that most people can’t live without their mobiles, never leave home without them and, if given a choice, would rather lose their wallet.
Calling mobile phones the “remote control” for life, market research firm Synovate’s poll said cell phones are so ubiquitous that by last year more humans owned one than did not.
Three-quarters of the more than 8,000 respondents polled online in 11 countries said they take their phone with them everywhere, which Russians and Singaporeans the most attached.
More than a third also said they couldn’t live without their phone, topped by Taiwanese and again Singaporeans, while one in four would find it harder to replace the mobile than their purse.
Some two thirds of respondents go to bed with their phones nearby and can’t switch them off, even though they want to, because they’re afraid they’ll miss something.
Mobiles have changed the nature of relationships, with the survey finding a fifth of all respondents set up first dates via text and almost the same number use the same method to end a love affair.
Apart from the obvious calling and SMS-ing, the top three features people use regularly on their mobile phones globally are the alarm clock, the camera and the games.
As for email and Internet access, 17 percent of respondents said they checked their inboxes or surfed the Web on their phones, led by those in the United States and Britain.
One in 10 respondents log onto(注册) social networking websites such as Facebook and MySpace regularly via mobile, again led by Britain and the United States.
Not everyone is tech savvy(科技通), however,37 percent of respondents said they don’t know how to use all the functions on their phone.
1. How many people of all respondents end a love affair via text?
A. About 4,800.                          B. About 3,600.
C. About 2,400.                          D. About 1,600.
2. According to the survey,       like surfing the Internet with a cellphone most.
A. Singaporeans    B. Russians            C. Americans            D. Chinese
3. Which of the following functions of cellphones is the least used?
A. Calling.                                  B. Playing games.
C. Taking photos.                            D. Surfing the Internet.
4. Which would be the best title of the passage?
A. People can live better without the cellphone.
B. People would rather lose their wallet than their cellphone.
C. Different uses of the cellphone.
D. New functions of the cellphone.

查看答案和解析>>

科目:高中英语 来源:不详 题型:阅读理解


  Even plant can run a fever, especially when they’re under attack by insects or disease. But unlike human, plants can have their temperature taken from 3, 000 feet away - straight up. A decade ago, adopting the infrared (红外线)scanning technology developed for military purposes and other satellites, physicist Stephen Paley came up with a quick way to take the temperature of crops to determine which ones are under stress. The goal was to let farmers precisely target pesticide (杀虫剂)spraying rather than rain poison on a whole field, which invariably includes plants that don’t have pest (害虫)problems.
  Even better, Paley’s Remote Scanning Services Company could detect crop problems before they became visible to the eye. Mounted on a plane flown at 3, 000 feet at night, an infrared scanner measured the heat emitted by crops. The data were transformed into a color - coded map showing where plants were running“ fevers”. Farmers could then spot - spray, using 50 to 70 percent less pesticide than they otherwise would.
  The bad news is that Paley’s company closed down in 1984, after only three years. Farmers resisted the new technology and long - term backers were hard to find. But with the renewed concern about pesticides on produce, and refinements in infrared scanning, Paley hopes to get back into operation. Agriculture experts have no doubt the technology works. “This technique can be used on 75 percent of agricultural land in the United States, ” says George Oerther of Texas A & M. Ray Jackson , who recently retired from the Department of Agriculture, thinks remote infrared crop scanning could be adopted by the end of the decade. But only ff Paley finds the financial backing which he failed to obtain 10 years ago.
 56.Plants will emit an increased amount of heat when they are________.
  A. sprayed with pesticides     B. facing an infrared scanner
  C. in poor physical condition   D. exposed to excessive sun rays
 57.In order to apply pesticide spraying precisely, we can use infrared scanning to________.
  A. estimate the damage to the crops    B. measure the size of the affected area
  C. draw a color -coded map          D. locate the problem area
 58.Farmers can save a considerable amount of pesticide by________.
  A. resorting to spot – spraying   B. consulting infrared scanning experts
  C. transforming poisoned rain    D. detecting crop problems at an early stage
 59.The application of infrared scanning technology to agriculture met with some difficulties________.,
  A. the lack of official support        B. its high cost
  C. the lack of financial support      D. its failure to help increase production
 60.Infrared scanning technology may be brought back into operation because of________.
  A. the desire of farmers to improve the quality of their produce
  B. growing concern about the excessive use of pesticides on crops
  C. the forceful promotion by the Department of Agriculture
  D. full support from agricultural experts

查看答案和解析>>

科目:高中英语 来源:不详 题型:阅读理解


We often think of future.We often wonder what the world would be like in a hundred years' time.
Think of space, perhaps a permanent(永久的) station on the moon will have been set up.Perhaps people will be able to visit the moon as tourists.Cheap rockets for space travel will have been developed, permitting long journeys throughout the solar system(太阳系).When that time comes, people will be taking holidays in space and visiting other planets.Great progress will have been discovered for the most terrible of all diseases—cancer.Pollution is a problem we must solve.In a hundred years' time it will have been controlled.
All the world will have been developed—even Antarctica.There will be large cities in Antarctica.We already have supersonic(超音速的) flight, but in a hundred years' time we will have supersonic land travel as well.
We will have used up most of earth's land to build our cities, so floating cities will have been built.The Japanese already have plans for cities of this kind.And there will be cities under the sea.The first of these will have been completed.
39.We will have developed __________ in a hundred years' time, permitting long journeys all over the solar system.
A.cheap rockets for space travel       B.a plane for space travel
C.a permanent spaceship                D.a satellite for tourists
40.The last paragraph mainly talks about _____________.
A.new ways of building cities         B.the building of cities under the sea
C.the building of floating cities in Japan D.the danger which earth's land will face
41.The best title for the passage is ______________.
A.Travel in the Future             B.Future Life
C.Where to Live in the Future  D.Space Travel

查看答案和解析>>

同步练习册答案