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随时随地学习
随时随地学习
1、The agreements, _______ from culture and education to special training programs, will play a key role in the China-Latin America partnership.
A. ranged B. having ranged
C. ranging D. to range
2、______ that after the ash covered the people who failed to flee the city， their bodies nearly completely______ and disappeared，_________ empty spaces in the ash.
A． It turned out ；broke down； leaving
B． As turned out； broke up； which left
C． It turned out； broke off； leaving
D． What was turned out was ；broke down； left
3、Now my time is almost up. In a few days, someone else will arrive to _______, and the tireless work of MSF members around the world will go on.
A．step into my shoes
B．pull my weight
C．take my breath
D．come to my aid
4、—Do you think I should work in that company?
— ________ If I were in your shoes, I certainly would.
A．Is that so?
B．It depends.
C．I don’t think so.
D．Why not?
5、(2013·安徽合肥二模)—The cars give off a great deal of waste gas in the streets.
—Yes. But I'm sure something will be done to ________ air pollution.
A. reduce B. remove
C. collect D. warn
6、It is not difficult to ______ between a person’s handwriting and that of the writing robot because the robot’s writing appears perfect.
A.distinguish B.polish C.abolish D.accomplish
7、If you are passionate about something, pursue it no matter what anyone else thinks. That’s ______ dreams are achieved.
A.what B.where C.why D.how
8、To get a slim figure, Fanny has tried many ways, but in vain. So now she is reduced anything for supper.
A. to not eating B. not to eat
C. not to eating D. to not eat
9、________ she welcomes the new enterpreneurial spirit, she advises that people be realistic and seek guidance________ rushing into things.
A．Since, when
B．As, before
C．Though, before
D．Although, when
10、________ their hats into the air, the fans of the winning team let out loud shouts of victory.
A. To throw B. Thrown
C. Throwing D. Being thrown
11、While it wasn’t the goal of the trip, I was rewarded with fresh insights, ones that to me during the regular course of business.
A.might never happen B.could never have happened
C.should not happen D.needn’t have happened
12、Toyota Company has ________ millions of vehicles, struggling to regain its reputation.
A.called off B.called for C.called in D.called up
13、Liao Fan, a Chinese actor, finally got to know __ real success tastes like when he won the prize for Best Actor at the 64th Berlin film festival.
A. when B. how
C. what D. that
14、The university estimates that living expenses for international students _________ around $8,450 per year, which _________ a burden for some of them.
A．are; is
B．is; are
C．is; is
D．are; are
15、Long time no see! It has been 2 years _____ we graduated from school.
A.before B.when C.since D.that
16、When a Costco customer walks in the door, he or she expects that the products will be high quality and offered at a low price.
A.to B.of C.at D.about
17、An increasing number of people are moving to cities ________ having a better life, for the cities promise steady work and higher salaries.
A．with the help of
B．in consequence of
C．by means of
D．in the hope of
18、Nowadays, we can move around the world and still ________ the people that we want to remain friends with ________ modern social media tools.
A．correspond with; regardless of
B．stay in touch with; thanks to
C．lose track of; due to
D．communicate with; based on
19、—Guess what? One bullet struck my car, ________ missing me yesterday!.
—Lucky you! Come back to our motherland as soon as possible!
A．narrowly
B．nearly
C．lightly
D．slightly
20、Ning Zetao，who won a total of four golds at the 2014 Incheon Asian Games，____ himself as a new swim star．
A. distinguished B. described
C. Represented D. Developed
21、
Making use of the wind, the water or, for more than half of all plant species, animals, plants disperse (散播) seeds far and wide. Frugivores — animals such as gibbons that feed on the fleshy fruits of plants — eat and then excrete (排泄) seeds away from the original tree. The African savanna elephant can carry seeds up to a record-breaking distance of 65 kilometres. This ability to shift geographical ranges will be crucial to plants when it comes to surviving climate change. However, just like all gibbon species, the African savanna elephant is endangered, its population down by 60 percent over the past 50 years.
Researchers in Denmark and the USA have published a new study into how the loss of seed-dispersing animals could affect the resilience (恢复力) of forests and other natural ecosystems. According to their research, this loss has already reduced the ability of plants to move in pace with climate change by 60 percent, and in some areas by as much as 95 percent.
Evan Fricke, lead author of the study, explains that in order to reach these results, they pulled together existing data from all previous studies and used machine learning to develop models that could estimate the seed dispersal potential of any animal, even ones that are now extinct.
The researchers found that, historically, the decline of seed-dispersing animals has had the greatest influence on plants across the temperate (温带的) regions of North and South America, Europe and southern Australia. “Our temperate ecosystems have lost a lot of the natural seed-dispersal function that they would have had.” explains Fricke, referring to large mammals that were once widespread in these regions.
Nevertheless, the poor conservation status of many seed-dispersing tropical animals puts plants in regions such as Southeast Asia and Madagascar most at risk today. Without the preservation of such animals, global seed dispersal could decline by a further 15 percent. “The direct implication of this decline is that many plant species will be unable to keep pace with a changing climate,” says Fricke. “That means the potential loss not only of plant biodiversity but of the ecosystem functions that those plants provide.”
As wildlife is lost, plants can no longer adapt and survive and forests become less sustainable, which reduces the amount of carbon they can store. They also lose their ability to support wildlife. Whole ecosystems are disrupted. The conclusion, Fricke says, is clear: we must conserve currently endangered species and restore the populations of important seed dispersers. “Independent of climate change, rewilding has the potential to benefit our ecosystems, but in a changing climate, it has the added benefit of increasing the climate resilience of those ecosystems,” he says.
【1】The author mentions the African savanna elephant in Paragraph 1 is to ________.
A．highlight the problem
B．predict the ending
C．express an opinion
D．provide a solution
【2】What does Fricke conclude from the study?
A．plants disperse seeds by way of animals excreting them.
B．rewilding can promote the climate resilience of our ecosystems.
C．seed-dispersing animals could hardly affect the natural ecosystems.
D．the loss of seed-dispersing animals has little influence on temperate regions.
【3】Which would be the best title of the passage?
A．The Resilience of Ecosystems
B．The Conservation of Seed-dispersing Animals
C．Animals That Spread Seeds Are Essential — And Under Threat
D．Animals That Spread Seeds Are Endangered — And Well Protected
22、Black Friday is the Friday following Thanksgiving Day in the United States. It has been regarded as the beginning of the holiday shopping season. Although it’s not an official holiday, millions of employers give their employees the day off, and many people use that day to get a jump-start on their holiday shopping. A similar day in Canada and Great Britain is called “Boxing Day”.
Black Friday has become somewhat of a marketing sensation in recent years. Since 2005, it has been the busiest shopping day of the year. To lure shoppers, retailers (零售商) routinely open their doors as early as 4 a. m. and offer special sales and promotions to the shoppers that arrive early. Some of the special deals offered by stores are only available in limited quantities. That is why some shoppers intent on getting the best deals often camp out in front of stores overnight so that they’ll be the first in line when the doors open.
But why Black Friday? Historians believe the name started in Philadelphia in the mid-1960s. Bus drivers and police used “Black Friday” to describe the heavy traffic that would block city streets the day after Thanksgiving as shoppers headed to the stores.
Businesses, however, didn’t like the negative tone associated with the “Black Friday” name. In the early 1980s, a more positive explanation of the name began to circulate. According to this alternative explanation, Black Friday is the day when retailers finally begin to turn a profit for the year. In accounting terms (会计行业), operating at a loss is called being “in the red” because accountants traditionally used red ink to show negative amounts. Positive amounts were usually shown in black ink. Thus, being “in the black” is a good thing because it means stores are operating at a profit.
Recently, for those who are too busy to shop on Black Friday or who just don’t want to fight the crowds, the Monday following Black Friday has become known as Cyber Monday (网络星期一) for the many online deals.
【1】On Black Friday，the Americans .
A. don’t have to go to work as usual
B. look exactly like the Canadians
C. are usually busy doing shopping
D. stay at home and relax themselves
【2】The underlined word “lure” (in Paragraph 2) probably means .
A. protect B. attract
C. persuade D. remind
【3】How do the retailers understand Black Friday?
A. It is totally different from Boxing Day.
B. They usually lose some money on the day.
C. It never keeps them very busy.
D. It probably brings them more money.
【4】The author writes this passage in order to .
A. state the development of Cyber Monday
B. tell the difference between red and black
C. introduce Black Friday to the readers
D. explain the meaning of Boxing Day
23、 In 1947, the province Bengal of Pakistan was divided into two parts: the western part became India and the eastern part is known as East Bengal which was later known as East Pakistan. At that time there were many economic, social and cultural problems. In 1948, when government announced Urdu as the national language, it caused the protest among the Bengali speaking majority of Pakistan. The protest got out of control and ended with the death of four protestors of the University of Dhaka who were shot by the police on 21st February, 1952. The students’ deaths during the fight for their mother language are now remembered as The International Mother Language Day (IMLD).
Each year on Feb 21, UNESCO holds the event to draw attention to the disappearance of the world’s languages: dozens of them are disappearing each year. What happens when a language dies out? Something huge is lost -- not just sounds and marks but the way that people make sense of the world and communicate with each other. And it is through language that we have culture and tradition. Kill a language and all this is killed too.
Through IMLD, more people are becoming more aware of the destruction of linguistic (语言的) diversity in modern times and trying to stop it. The Myaamia Project is a kind of effort. This is an attempt to revive (复兴) the language spoken by the Miami and Illinois tribes (部落) of the US. Project members work to encourage people to study and communicate with this language, which formally died out in the 1960s.
This is why we should remember the wise words of Nelson Mandela: “If you talk to a man in a language he understands, that goes to his head. If you talk to a man in his own language, that goes to his heart.”
【1】What can we know from the first paragraph?
A.Bengal had the biggest population in Pakistan.
B.The conflict resulted from linguistic controversy.
C.The Bengali were the majority who spoke Urdu.
D.The police shot four students to end the protest.
【2】What message does Paragraph 2 mean to convey?
A.Dozens of languages die out every February.
B.The world is known merely through languages.
C.Language helps to preserve and promote culture.
D.Much attention has been paid to language protection.
【3】What does the Myaamia Project aim to do?
A.Keep linguistic diversity. B.Protect an American tribe.
C.Raise money to help the locals. D.Focus on native language learning.
【4】Why does the author mention Mandela’s words?
A.To show his contribution to language protection.
B.To stress the difficulty in learning a dying language.
C.To reflect the possibility to preserve a local language.
D.To emphasize the importance of one’s mother tongue.
24、Aspirin was discovered in 1897, and an explanation of how it works followed in 1995. That, in turn, has encouraged some research leads on making better pain relievers through something other than trial and error. This kind of discovery—answers first, explanations later—is called "intellectual debt". We gain understanding of what works without knowing why it works. We can put that understanding to use immediately, and then tell ourselves we'll figure out the details later. Sometimes we pay off the debt quickly; sometimes, as with aspirin, it takes a century; and sometimes we never pay it off at all.
In the Age of Intelligence, while machine learning presents lots of problems and gets things wrong, at least we know enough to be wary of the predictions produced by the system and to argue that they shouldn't be blindly followed: but if a system performs perfectly（and we don't know why）, then we come to rely on it and forget about it and suffer consequences when it goes wrong.
It's the difference between knowing your car has faulty brakes and not knowing: both are bad, but if you know there is a problem with your brakes, you can increase your following distance, drive slowly and get to a mechanic as soon as possible. If you don't know, you' re likely to find out the hard way, at 80mph on the highway when the car in front of you comes to a sudden stop and your brakes give out.
We don't have much by way of solutions. Most important, we shouldn't trick ourselves into thinking that machine learning alone is all that matters. Indeed, without life value, machine learning may not be meaningful answers at all.
【1】What is the purpose of mentioning aspirin in the first paragraph?
A．To present the research process of aspirin.
B．To introduce a similar situation machine learning faces.
C．To show the difficulty in explaining how aspirin works.
D．To prove we can use something even when we don't understand.
【2】What does the underlined word "wary" probably mean in Paragraph 2?
A．Negative.
B．Doubtful.
C．Anxious.
D．Watchful.
【3】How does the writer prove that it's potentially worse if a system performs perfectly?
A．By telling a story.
B．By giving a definition.
C．By doing an experiment.
D．By making comparison.
【4】Which of the following statements is the writer likely to agree with?
A．It's OK as long as a system works well.
B．It's impossible to pay off Intellectual debt.
C．It's unwise to rely blindly on machine learning.
D．It makes no sense to pay attention to life value.
25、It is normal to feel that you don’t know what to say to someone who has cancer．You may have or close relationship with the person．The most important thing you can do is to acknowledge the situation．You can show interest and concern, you can express , or you can offer support．
While it is good to be encouraging, it is also important to show optimism or to tell the person with cancer to always have a attitude．It is widely considered that doing these things may their fears, concerns, or sad feelings．
Humor can be an important way of coping．Let the person with cancer take the ．It is healthy if they find something funny about a side effect, like hair loss, and you can certainly join them in a good laugh．This can be a great way to stress．
When the person with cancer looks good, let them know! Hold back comments when their appearance isn’t as good, such as “You’re looking pale．” Cancer and its treatment can be very , so be prepared for good days and bad times．
Avoid telling the person with cancer stories about family members or friends who have had cancer．Everyone is different, and these stories may not be helpful． , it is better simply to tell them you know something about cancer because you’ve been through it with someone else．
【1】A． long B． strange C． clear D． distant
【2】A． joy B． sorrow C． encouragement D． unhappiness
【3】A． sensitive B． objective C． negative D． positive
【4】A． increase B． reduce C． form D． delay
【5】A． charge B． lead C． responsibility D． action
【6】A． stop B． reflect C． relieve D． get
【7】A． unpredictable B． flexible C． unforgettable D． acceptable
【8】A． Otherwise B． Specially C． However D． Therefore
26、Dozens of old people gather in public parks and squares early in the morning and night, turn on the loudspeakers and dance to the music, which has been controversial(引起争议的) because of the noise pollution it creates. Guangzhou is the first city in China to have drafted a rule on the creation of silent zones in areas of parks that are close to schools, hospitals, offices and residential quarters.
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