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To understand the effect of ice melting around the world we first have to understand what an ice sheet actually is.Covering 5.4 million square miles in Antarctica and 656，000 square miles in Greenland （our two remaining ice sheets today），an ice sheet is actually a huge land of ice from the Ice Age.These sheets，over thousands of years，form by snow changing into ice over the winter，which doesn't entirely melt during the summer.This ice，home to different species of animals，is now melting at a rate that cannot support the life it currently holds.
   Many of these creatures rely on ice sheets as land for resting，hunting and protection，yet as the size decreases，they are forced out of their homeland in search of other land on which to live.Often this means journeys to search for food and an imbalanced ecosystem arises when different species are forced together onto the coast.
   Since the 1990s，the deer population has dropped by 56 per cent—climate change has caused warmer temperatures over winter setting off rainfall instead of snow，which freezes more quickly underfoot and makes it harder to walk and search for food.In the summer，frozen layers of land melts and releases trapped diseases which bring death to animals.A similar situation has fallen on the polar bears who suffered a 40 per cent population loss between 2001-2010.
   Quite apart from these problems，the threat of sea levels rising if the ice caps were to disappear is approaching.If the Greenland Ice Sheet melted，the sea level would rise around six meters，and if the Antarctic Ice Sheet melted，sea levels would rise by around 20 feet.As a matter of fact，sea levels have risen about eight inches since 1880，three of which we've gained over the last 25 years.This seemingly small amount has already caused dangerous flooding，loss of farmland and more deadly storms.
   While we're still a long way from losing the ice sheets all together，we've already lost too much for many ecosystems and humans to reasonably survive under，and if we don't take climate change seriously now，we will certainly hit the point of no return.

（1）What is an ice sheet according to the passage？
C
C

A．It is an area where ice never melts in summer.
B．It is a land of ice that covers all Greenland.
C．It is a large area of ice that exists for centuries.
D．It is an ice world for animals used to cold.
（2）How does the melting of ice sheets affect animals？
D
D

A．It makes it easier to travel to other land.
B．It increases the population of sea animals.
C．It makes their surroundings more comfortable.
D．It causes hunger and illness among animals.
（3）What can we infer from Paragraph 4？
B
B

A．Ice Sheet will soon disappear from the Earth.
B．Sea levels are rising faster in recent years.
C．Greenland will be the first to lose all its ice.
D．All natural disasters happen due to sea level rise.
（4）What could be the best title for this passage？
A
A

A．Effect of Melting Ice Sheets
B．Ice，Sea and Animals
C．Greenland and Antarctica
D．Changes of Sea Levels

【考點(diǎn)】社會(huì)；說(shuō)明文．

【答案】C；D；B；A

【解答】

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發(fā)布：2024/4/20 14:35:0組卷：3引用：1難度：0.5

相似題

1．The British are known for their sense of humour.However，it is often difficult for foreigners to understand their jokes.The main point to remember is that the British often use understatement.
   Understatement means saying less than you think or feel.For example，if someone gets very wet in a shower of rain，he might say. "It's a little damp（潮濕的）outside." Or，if someone is very impolite and shouts at another person，someone else might say， "She isn't exactly friendly." Understatement is often used in unpleasant situation or to make another person look silly.Understatement plays an important part in British humour.
   Another key to understanding British humour is that the British like to make fun of themselves as well as others.They often laugh about the silly and unpleasant things that happen to our everyday life when someone accidentally falls over in the street.They also like to make jokes about people from different classes of society.They like to make jokes about their accents，the way they dress and the way they behave.What's more，the British love to watch comedies about people who do not know how to behave in society.The comedy series Mr Bean is a good example of this kind of humour.Mr Bean is the character created by British actor Rowan Atkinson in 1990.
   Mr Bean doesn't talk often，and instead he uses his body movements and facial expressions to make people laugh.Perhaps what makes Mr Bean so funny is that he does things that adults in the real world cannot do.Mr Bean is popular in many countries around the world because you do not have to speak English to understand the humour.Because of this，many people have become familiar with the British sense of humour.

（1）Why is it difficult for foreigners to understand British jokes？

A．The British often enlarge the fad.
B．British jokes are connected with many different cultures.
C．The British try to make out that something is less important than it is.
D．British jokes are not as funny as jokes in other countries.
（2）How does the author explain understatement？

A．By using examples.
B．By making comparisons.
C．By following time order.
D．By describing a process.
（3）How does Mr Bean make people laugh？

A．By telling funny stories.
B．By making jokes about others' accents.
C．By copying how others behave.
D．By using his body movements and facial expressions.
（4）What can be the best title for the text？

A．British Humour in Comedy
B．Humour in Different Cultures
C．Developing Your Sense of Humour
D．Understanding British Humour
發(fā)布：2024/11/15 2:30:2組卷：28引用：3難度：0.5
解析
2．Every year，thousands of teenagers participate in programs at their local art museums.But do any of them remember their time at museum events later in life？A new report suggests that the answer is yes—and finds that arts-based museum programs are credited with changing the course of alumni's（畢業(yè)生的）lives，even years after the fact.
   The Whitney Museum of American Art，the Walker Art Center and the Museum of Contemporary Art，Los Angeles recently asked researchers to conduct a study to find out how effective their long-standing teen art programs really are.They involved over 300 former participants of four programs for teens that have been in existence since the 1990s.Alumni，whose current ages range from 18 to 36，were invited to find out how they viewed their participation years after the fact.
   Among the alumni surveyed，75 percent of them thought the teen art program experience had the most favorable impact on their own lives，beating the family，school and their neighborhoods.Nearly 55 percent thought that it was one of the most important experiences they'd ever had，regardless of age.And two-thirds said that they were often in situations where their experience in museums affected their actions or thoughts.
   It turns out that participating in art programs also helps keep teens enthusiastic about culture even after they reach adulthood：Ninety-six percent of participants had visited an art museum within the last two years，and 68 percent had visited an art museum five or more times within the last two years.Thirty-two percent of alumni work in the arts as adults.
   Though the study is the first of its kind to explore the impact of teen-specific art programs in museums，it reflects other research on the important benefits of engaging with the arts.A decade of surveys by the National Endowment for the Arts found that the childhood experience with the arts is significantly associated with people's income and educational attainments（成就）as adults.Other studies have linked arts education to everything from lower dropout rates to improvement in critical thinking skills.

（1）Why were the researchers asked to conduct the study？

A．To change the course of alumni's lives.
B．To introduce the art museums.
C．To find out how effective the long-standing teen art programs are.
D．To invite people to participate in the art programs.
（2）What do the figures in Paragraph 3 show？

A．Students are more influenced by the family and school.
B．Teen art programs in museums are highly beneficial.
C．Many teens fail to realize the great value of art programs.
D．Most experiences in museums are boring for today's teens.
（3）What does Paragraph 4 tell us about art programs？

A．They create adults who are culturally aware.
B．They are intended to attract more adults.
C．They are designed to support art museums.
D．They provide many job opportunities for adults.
（4）What do the studies mentioned in the last paragraph have in common？

A．All suggest the need to improve museum programs.
B．All show the growing popularity of art programs.
C．All focus on the link between art and education.
D．All prove the good effects of art education.
發(fā)布：2024/11/15 3:0:1組卷：12引用：2難度：0.5
解析
3．The number of people in my house has grown from six to seven recently.A young man from Spain has come to spend six weeks with us.He is not an ordinary young man；he's actually my second cousin，and is here to spend time with this side of the family，and of course，to learn English.
Thankfully，he is the same age as my youngest son，and is very fun-loving.I'm sure that he will pick up a lot of English while he plays with my kids.That was actually how I picked up a lot of Spanish when I was a child.My mother would take me to Mallorca in Spain，to spend about a month in the summers.Because children play so much，and are less inhibited（拘束的）than adults，they absorb language like little sponges （海綿）.Well，that's what happened to me，and I'm very thankful for the experience.
So far，we have taken my cousin to Seattle for a couple of days，and down to a local river to look for gold.Today，I plan on taking him to the museum in the town of Cashmere which is excellent.He will get his first view of Native American life，and be able to walk through some of the original pioneer houses of this area.Like most boys who are thirteen，he is very curious and constantly asks questions.Of course，I don't always have the answers!Coming to the U.S.is a big step for him，especially being so young.Mind you，he is a world traveller.His mother is an air hostess and is able to get cheap airline tickets，so they travel internationally all the time.So he is extremely comfortable in airports，and understands the routines of getting from one place to another.I hope that his being here will encourage my children to spend time in Spain，and also become international travellers.

（1）Why does the young man come to America？

A．To spend the summer holiday.
B．To meet his mother.
C．To learn English.
D．To go to school.
（2）How old is the writer's youngest son？

A．11 years old.
B．13 years old.
C．15 years old.
D．16 years old.
（3）What does the writer think of her Spanish experience？

A．Helpful.
B．Boring.
C．Unnecessary.
D．Unimportant.
（4）What can we know from the last paragraph？

A．The young man's mother is a pilot.
B．The young man often travels by plane.
C．The writer's children enjoy travelling to Spain.
D．The young man has ever seen Native American life before.
發(fā)布：2024/11/16 8:30:2組卷：49引用：5難度：0.5
解析

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