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MOOC, an open online course, aims at providing interactive discussion and open access via the web. In addition to _________ course materials such as videos, readings, and problem sets, MOOC provide interactive user forums that help build a _________ for the students, professors, and teaching assistants.

MOOCs _________ made waves in the fall of 2011, when Professor Sebastian Thrun from Stanford University opened his graduate-level artificial intelligence course up to any student anywhere, and 160,000 students in more than 190 countries _________. This new kind of online classes is _________ the higher education world in many ways. Since the courses can be taken by hundreds of thousands of students at the same time, the number of universities might _________ greatly. Professor Thrun has even _________ a future in which there will only need to be 10 universities in the world. Perhaps the most _________ thing about MOOCs, many of which are being taught by professors at prestigious (声誉高的) universities, is that they’re free. This is certainly good news for _________ students.

There is a lot of __________ and fear about MOOCs. While some say free online courses are a great way to increase the __________ of minority students, others have said they will leave many students __________. Some critics have said that MOOCs encourage an unrealistic universal __________ of higher education and that there is no replacement for true dialogues between __________and their students. __________, a brain is not a computer. We are not __________ hard drives waiting to be filled with data. People learn from people they __________ and remember the things that arouse emotion. Some __________ worry that online students will miss out on the social aspects of college. In other words, MOOCs __________social interaction among students and professors even if they are offered by professors from __________ universities.

【小题1】
A.appealingB.remoteC.traditionalD.random
【小题2】
A.canteenB.communityC.dormitoryD.gallery
【小题3】
A.initiallyB.frequentlyC.recentlyD.last
【小题4】
A.put upB.come upC.show upD.signed up
【小题5】
A.shakingB.revealingC.envyingD.encouraging
【小题6】
A.increaseB.declineC.rollD.bounce
【小题7】
A.confirmedB.ensuredC.imaginedD.sought
【小题8】
A.flexibleB.disturbingC.annoyingD.impressive
【小题9】
A.particularB.poorC.inspiredD.fortunate
【小题10】
A.excitementB.cautionC.curiosityD.carefulness
【小题11】
A.significanceB.recordingC.registrationD.restriction
【小题12】
A.offB.outC.aloneD.behind
【小题13】
A.wisdomB.outlineC.modelD.philosophy
【小题14】
A.comediansB.professorsC.principalsD.psychologist
【小题15】
A.ThereforeB.SomewhatC.BesidesD.After all
【小题16】
A.blankB.fullC.attentiveD.core
【小题17】
A.disagreeB.dislikeC.criticizeD.admire
【小题18】
A.expertsB.criticsC.witnessesD.authorities
【小题19】
A.lackB.containC.developD.integrate
【小题20】
A.plainB.nobleC.famousD.autonomous
22-23高二下·河南南阳·阶段练习
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Could Buying Paintings Make You Rich?

Is investing in paintings a good way to get rich fast? And how should you invest in art?

“With extreme _______” is the advice of Patrick Connolly, a financial adviser. “We don’t _______ our customers to invest in art because the downsides are greater than the upsides. It doesn’t produce income or earnings. What you _______ is exclusively based on supply and demand, and there are big movements upwards or downwards if there are changes in the economic environment,” he said.

To invest in art as a true investment, you need a starting fund of at least $5,000. But it’s not just about having enough _________ to buy the painting in the first place. Expensive works of art are often stored in protective boxes complete with detectors to monitor humidity and temperature levels, and to protect them from sun damage or other _______ such as a spilled cup of coffee. And if you do put it on your wall, then your insurance costs are likely to be high. If word gets out that you have expensive art hanging on your wall, then you’re likely to be a _______ for thieves.

Art is also not a regulated investment so when things go wrong — for example, an artwork turns out to be a fraud (赝品) — then investors cannot fall back on _______ for any repayment.

Of course given the current environment of low interest rates, that’s still a(n) _______   return than many savings accounts will give you. As art has no association to the stock market, it means paintings can _______ in value even when the market crashes, making it a good option for investment __________.

It is reported that after a decrease in the global art market throughout 2016, auction (拍卖) sales __________ in the first six months of 2017. Yet you don’t necessarily have to be super-wealthy to invest in art. There are a growing number of art fairs and online marketplaces aimed at buyers with a more __________ budget. Most art industry experts suggest that you buy a piece of art because you like it, not because you want to get rich. The most __________ approach is probably to buy something you like and can __________ and, be prepared to keep it just for your own pleasure. If it goes up in value that should be just a(n) __________ benefit.

【小题1】
A.accuracyB.carefulnessC.enthusiasmD.generosity
【小题2】
A.begB.controlC.forbidD.recommend
【小题3】
A.get backB.look intoC.take outD.turn to
【小题4】
A.desireB.energyC.moneyD.time
【小题5】
A.accidentsB.appliancesC.measuresD.drinks
【小题6】
A.partnerB.spectatorC.targetD.therapy
【小题7】
A.initiativeB.regulationC.strategyD.tradition
【小题8】
A.betterB.earlierC.healthierD.lower
【小题9】
A.fall apartB.fall downC.go aheadD.go up
【小题10】
A.fundsB.levelsC.selectionsD.rates
【小题11】
A.ceasedB.proceededC.recoveredD.shrank
【小题12】
A.fixedB.limitedC.massiveD.modest
【小题13】
A.creativeB.directC.flexibleD.sensible
【小题14】
A.affordB.preserveC.transferD.undertake
【小题15】
A.addedB.maximumC.obviousD.social

Since Peter Singer published Animal Liberation in 1975, animal rights activists thought animals should be granted the same rights as humans. Referring to scientific studies showing animals_______“human characteristics”, they argue animals should be protected with the same rights. So why don’t animals have the same legal status (身份) as humans?

The line of reasoning in favor of granting animals equal rights to humans_______the fact that scientists have found characteristics in animals we normally_______with humans. A group of scientists showed monkeys demonstrate self-consciousness at the same level as humans. This has usually served as a justification for human rights, so why don’t we grant equal rights to monkeys?

The truth is,_______convincing scientific evidence, the argument for granting at least some animals the same rights as humans can’t be justified philosophically. An adequate argument for animal rights would require further philosophical inquiry and not just descriptive_______. We can feel pity for animals being treated badly and strive to protect them from such treatment. This,_______, doesn’t mean animals should enjoy the same legal status as humans.

There is a strong reason for_______that rights only apply to humans. While fundamental rights surely are valuable in their nature, they would be worthless without a system to_______them. That is why we expect other people to respect our rights.

The system that defends our rights is the fact that other people are obliged by_______in their behaviors towards us. In our daily life, we experience numerous situations in which bad guys could________from violating (侵犯) our rights. Nevertheless, we see, of course, with some exceptions, that individuals cooperate and respect other people’s rights. Rights and duties are two sides of the same coin, and one cannot________to have certain rights without having to observe the duties.

If it is my claim to live freely on my property without being bothered, my neighbor’s duty prevents him from violating my right to property and life. Suppose, however, he breaks in and damages my property. He will then be held responsible in a court of law, for he has________his duty to respect my rights. This is completely reasonable, but we will certainly face________if my property was violated by an elephant.

If we assume that animals are granted the same legal status as humans,________requires that we now drag he elephant into court. Remember, if an animal were to have such rights, it would logically also have social duties. Therefore, it is now________to the same legal procedures as humans. This raises practical questions: Who will defend the animal in court?And will the animal be able to comprehend what is going on?

【小题1】
A.acquiringB.desiringC.displayingD.respecting
【小题2】
A.exploresB.challengeC.overlooksD.emphasizes
【小题3】
A.treatB.associateC.dealD.bear
【小题4】
A.consideringB.despiteC.instead ofD.according to
【小题5】
A.conclusionsB.performancesC.experimentsD.messages
【小题6】
A.in returnB.for instanceC.thereforeD.however
【小题7】
A.denyingB.maintainingC.recognizingD.suggesting
【小题8】
A.approveB.demandC.ensureD.reserve
【小题9】
A.contractsB.possessionC.faithD.duties
【小题10】
A.profitB.keepC.learnD.result
【小题11】
A.affordB.claimC.pretendD.determine
【小题12】
A.assignedB.declaredC.failedD.fulfilled
【小题13】
A.dangersB.questionsC.chargesD.obstacles
【小题14】
A.agreementB.justiceC.criticismD.frustration
【小题15】
A.openB.addictedC.subjectD.relevant

Climate experts have warned about the many ways a warming planet can negatively affect human health. ________ global temperatures are predicted to increase by 1.5℃ by the 2030s, that risk is becoming increasingly real.

One long-held prediction that appears to be coming true — according to the results of a study recently published in Nature Scientific Reports — is how climate change might enhance ________ of bacteria that thrive and spread through warm sea waters and cause an infection with a particularly high ________ rate.

Vibrio vulnificus (创伤弧菌) flourishes in salty or brackish waters above 68℉. Infections are currently rare in the U.S., but that’s likely to change. Using 30 years of data on infections, scientists at the University of East Anglia in the U.K. found that Vibrio vulnificusis ________ from its historic Gulf Coast range, with more Northern states reporting infections as waters become warmer.

“We’re seeing the core ________ of infections extending to areas that traditionally have very few and very rare cases,” says Elizabeth Archer, a Ph.D. researcher and ________ author of the study. “But these areas are now coming into the main area of infections.”

Based on the latest data on how much the world’s water and air temperatures will rise, the scientists predict that by 2081, Vibrio vulnificus infections could reach every state along the U.S. East Coast. Currently, only about 80 cases are reported in the U.S. each year; by 2081, that could go up to over three-fold, the authors say.

Such a proliferation could have serious health consequences. Vibrio vulnificus kills approximately 20% of the healthy people it infects, and 50% of those with weakened immune systems. There is little evidence that antibiotics can ________ the infection, but doctors may prescribe them in some cases. People can get infected either by eating raw shellfish like oysters or by exposing small ________ to waters where the bacteria live, which can lead to serious skin infections.

Warming sea temperatures aren’t the only reasons behind the rise of Vibrio vulnificus. Hotter air also draws more people to the coasts and bays, bringing them into closer contact with the bacteria.

“The bacteria are part of the natural marine environment, so I don’t think we can ________ it from the environment,” says Archer. “It’s more about mitigating infections by increasing ________ of the risk.”

To alert people to the growing threat, ________ systems are needed to track when concentrations of bacteria start to rise, similar to currently available pollen and pollution alarm.

Vbrio vulnificus is so ________ to temperature changes that concentrations could bloom after even a day of warmer water, so consistent monitoring and alerts are critical, says Iain Lake, professor of environmental epidemiology at University of East Anglia and senior author of the paper.

Lake says the expansion of Vibrio vulnificus is concerning for public health since the bacteria are now invading waters closer to heavily ________ areas, such as New York and Philadelphia. “Everyone can get a Vibrio vulnificus infection,” he says. “But the more ________ there is between warmer waters and people, the more the bacteria can move into populations ________ the elderly and those with other health conditions, who are more vulnerable to infections.”

【小题1】
A.Even ifB.Except whenC.The instantD.In case
【小题2】
A.numbersB.rangesC.coveragesD.concentrations
【小题3】
A.failureB.fatalityC.survivalD.acid
【小题4】
A.rangingB.varyingC.expandingD.shifting
【小题5】
A.distributionB.launchC.communityD.sample
【小题6】
A.principleB.leadC.principalD.hit
【小题7】
A.boostB.accelerateC.containD.remove
【小题8】
A.harmsB.damagesC.injuriesD.wounds
【小题9】
A.relieveB.dissolveC.resolveD.erase
【小题10】
A.conscienceB.awarenessC.panicD.alert
【小题11】
A.monitoringB.processingC.managingD.delivering
【小题12】
A.sensibleB.vitalC.vulnerableD.sensitive
【小题13】
A.populatedB.denseC.paralleledD.bordered
【小题14】
A.reactionB.interactionC.interventionD.relativity
【小题15】
A.rather thanB.except forC.such asD.other than

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