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A new phone app uses vibrations from smart phones to warn people about earthquakes.

The phone app _______ sudden shaking of the earth’s surface through sensors in   smart phones. It is called MyShake. It is the work of four researchers at the University of California, Berkeley. They said they created a worldwide warning system that would _______ people and give them time to prepare. The MyShake app is _______ only for Android phones.

Smart phones are _______ accelerometers (加速度感应器). These instruments measure movement, like that of a car or airplane. MyShake uses phone accelerometers to measure seismic (地震的) activity. It has been _______ to know the difference between normal activity and earthquake movement. The software developers say their app is right 93 percent of the time.

A smart phone sends seismic information to the app developers. If the developers receive several notifications _______, it recognizes that an earthquake might be taking place or will take place soon.

Using information sent from the app, the network then _______ the   location and strength of the quake in real time. MyShake can record magnitude 5.0 earthquakes at distances of 10 kilometers or less.

MyShake uses very _______ power, according to its developers. Only when   seismic activity is   _______ by the app does it become active and sends data to the network. The app works best when your phone is resting on a ________ surface, like a table.

The developers hope that MyShake can add to information collected by the U.S. Geological Survey. That U.S. agency has created the Earthquake Early Warning System, also ________ EEW. The EEW has deployed (部署) sensors for measuring quakes in many areas.

In places where no such equipment ________, MyShake may be the only method of   early quake ________.   The app also shows ways to stay safer during an earthquake. The developers say it will become more effective as more people use it.

“Our goal is to build a worldwide seismic network and use the data to________ the effects of earthquakes on us as individuals and on society as a whole,” say the researchers.

The developers say they hope to add a feature that would ________ people   about a possible tsunami: a huge wave after an earthquake.

【小题1】
A.reportsB.recognizesC.revealsD.reviews
【小题2】
A.inferB.includeC.influenceD.inform
【小题3】
A.acquiredB.availableC.affordableD.approachable
【小题4】
A.equipped withB.made up ofC.filled withD.in need of
【小题5】
A.programmedB.protectedC.prohibitedD.promised
【小题6】
A.from different placesB.from one areaC.from the same phoneD.from another developer
【小题7】
A.controlsB.connectsC.estimatesD.receives
【小题8】
A.muchB.littleC.excessiveD.green
【小题9】
A.activatedB.sensedC.resistedD.issued
【小题10】
A.lowB.woodenC.highD.flat
【小题11】
A.honored withB.called forC.known asD.defined as
【小题12】
A.existsB.formsC.countsD.exploits
【小题13】
A.protectionB.diagnosisC.detectionD.resistance
【小题14】
A.raiseB.receiveC.recordD.reduce
【小题15】
A.confirmB.appointC.alertD.acknowledge
19-20高三下·上海浦东新·阶段练习
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If someone said they’d pay you $1,800 to stay off social media for six years, would you do it? Could you?

In 2016, Lorna _______ her 12-year-old son Sivert to stay off social media until he was 18. If he made it, she’d award him the _______ on his eighteenth birthday. On February 19, 2022, Sivert received his _______. Sivert thought it was a great _______ at the time. “I thought it was _______ indeed. What’s 6 more years?” he recalled.

“It’s the _______ money I’ve ever spent,” said Lorna. “We are not against social media, but it’s the _______ use of it. It’s about not letting yourself get _______ affected by it.” Lorna has three older daughters, and she’d already seen problems from their _______ activities. When one of her daughters was 16, Lorna ________ her phone. Her daughter later thanked her for doing so, as it improved her mental health.

Sivert said it wasn’t that ________ to live without social media for six years. “There wasn’t a time when I thought of giving up,” he said. “Staying away from social media also meant I had more time to ________ my studies and sports instead.”

Other parents have seemed ________ trying a similar challenge with their kids. “I advise ________ the behavior you want to see in your children. If they see you before the ________ all day, they will follow your example,” said Lorna.

【小题1】
A.acquiredB.challengedC.trickedD.sought
【小题2】
A.pianoB.moneyC.cellphoneD.vehicle
【小题3】
A.payB.responseC.chanceD.prize
【小题4】
A.journeyB.optionC.dealD.honor
【小题5】
A.coolB.funnyC.toughD.practical
【小题6】
A.mostB.easiestC.bestD.hottest
【小题7】
A.freeB.healthyC.wideD.regular
【小题8】
A.wiselyB.directlyC.naturallyD.badly
【小题9】
A.socialB.politicalC.outdoorD.online
【小题10】
A.came acrossB.took awayC.switched onD.searched for
【小题11】
A.difficultB.necessaryC.unusualD.secure
【小题12】
A.depend uponB.show offC.focus onD.smooth out
【小题13】
A.happy withB.concerned aboutC.interested inD.responsible for
【小题14】
A.modelingB.controllingC.exchangingD.balancing
【小题15】
A.blackboardB.posterC.screenD.mirror

Computers have done us a lot since they turned up. In the future they will play a more important part in many ____, such as education, transport, personal lives, scientific research and so on. Nowadays computers are being used in _____ and industry and can help the farmers to ____ the conditions of the plants.

More and more computers will come into our daily life with the ____ of science and technology. If you want to change money or pay your electricity bills, you won’t have to go to the ____. A computer and a telephone will help you. It can also help you to do the housework and it can even _____ human voices and carry out the instructions. It is ____ that the majority of the labor force will work at home. People will be able to use the videophone for conferences. This can help us to save a lot of energy and _____. It is said that trains in Japan will have no _____, because they’ll be well _____ by computers, which can also tell the best _____ between trains.

Computers programs for ____ whole texts are already well developed. You can _____ the name of a certain subject and a ____ list of book titles will ____ on your screen. You may choose whichever you want.

【小题1】
A.familiesB.fieldsC.factoriesD.places
【小题2】
A.tourismB.politicsC.entertainmentD.agriculture
【小题3】
A.formB.growC.controlD.manage
【小题4】
A.increaseB.progressC.productionD.development
【小题5】
A.officeB.bankC.shopD.post office
【小题6】
A.understandB.carryC.hearD.recognize
【小题7】
A.importantB.necessaryC.possibleD.complete
【小题8】
A.materialB.timeC.placeD.money
【小题9】
A.conductorsB.driversC.instructorsD.indicators
【小题10】
A.operatedB.doneC.madeD.run
【小题11】
A.positionB.directionC.distanceD.way
【小题12】
A.storingB.writingC.remainingD.recording
【小题13】
A.giveB.putC.typeD.write
【小题14】
A.first-rateB.world-famousC.nationwideD.worldwide
【小题15】
A.showB.appearC.offerD.come

A “blogger” is a person who writes on an Internet website called a “blog”. The word “blog” is a_________way of saying “web log”, or “personal website”. Anyone can start a_________, and they can write about anything they like.

There are millions of blogs on the Internet today. They_________news, information and ideas for people who read them. They contain_________to other websites, and they provide a place for people to write their_________and react to the ideas of others.

A research company called Perseus has_________more than 3,000 web logs. It says that blogs are most_________with teenage girls. They use them to_________their friends know what is happening in their lives. The study_________says that more than 100,000 bloggers stopped taking part in the activity after a year.

__________, some people develop__________blogs to present political and other ideas. __________, the Republican and Democratic parties in the southern state of Kentucky recently started their own blogs. And American companies are beginning to use blogs to advertise their__________.

At the same time, some longstanding blogs have__________. Last week, blogging leader Dave Winer closed his free blog service “weblogs. Com”. He said the site became too expensive to __________. He started the blog four years ago, and thousands of people had written on it. They were upset that the site had been closed.

【小题1】
A.shortB.longC.regularD.central
【小题2】
A.companyB.expressionC.experimentD.blog
【小题3】
A.debateB.exploreC.provideD.seek
【小题4】
A.issuesB.linksC.recoveryD.guidance
【小题5】
A.reasonsB.ideasC.faultsD.choices
【小题6】
A.servedB.reportedC.studiedD.attached
【小题7】
A.popularB.pleasedC.boredD.careful
【小题8】
A.askB.orderC.demandD.let
【小题9】
A.insteadB.yetC.stillD.also
【小题10】
A.BesidesB.HoweverC.In factD.Therefore
【小题11】
A.fierceB.relaxingC.seriousD.humorous
【小题12】
A.For exampleB.In totalC.In the endD.In contrast
【小题13】
A.productsB.employeesC.systemsD.predictions
【小题14】
A.recognizedB.endedC.survivedD.happened
【小题15】
A.advertiseB.startC.continueD.close

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