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题型:完形填空 题类:常考题 难易度:困难

上海市杨浦区2021届高三上学期英语期中试卷

For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best fits the context.

Trackers on Ice

Just because a scientist puts a GPS tracking collar on a wild polar bear does not mean the animal will willingly keep it on. 1, these huge collars are purposefully loose so that if one becomes annoying, a bear can 2it. But scientists have now found a way to use signals from the discarded(丢弃的)devices.

"These dropped collars3would have been considered garbage data," says Natasha Klappstein, a polar bear researcher at the University of Alberta. She and her colleagues instead used4from such collars, left on sea ice in Canada's Hudson Bay, to track the ice itself. For their study, published in June in The Cryosphere, the researchers 5twenty collars that sent movement data consistent(与······一致的)with ice drift rather than polar bear 6between 2005 and 2015. The resulting records of how melting ice typically drifts in Hudson Bay are unique; there are no easily 7on-the-ground sensors, and satellite observations often cannot 8capture the motion of small ice sheets.

The team compared the discarded collars' movements with widely used ice-drift modeling data from the U.S. National Snow and Ice Data Center (NSIDC). Collar data indicated that the NSIDC model underestimates the speed at which ice moves around in Hudson Bay--as well as the overall 9of drift. Over the course of several months the model could drift away from an ice sheet's location by a few hundred kilometers, the researchers say.

This means the bears may be working harder, when moving against the direction of the ice, than scientists had 10 ."Since we're underestimating the speed of drift, we're likely underestimating the energetic effort of polar bears," says Natasha Klappstein. The research reveals11insight (洞悉) into how highly mobile ice moves. As melting increases in coming years, such ice will likely become more 12farther north, in the central Arctic. Scientists had known NSIDC data could underestimate drift speeds, but "any time we can find a data 13, it is a good thing."

Plus, such data could improve predictions about how oil spills or other pollutants may spread in seas 14 with drifting ice, says Walt Meier, a senior NSIDC research scientist, who was not involved in the study. The findings may even 15future NSIDC models. "It's a really nice data set," Meier says." And certainly one we'll take consideration.

(1)
A、In fact B、In a way C、In addition D、In the end
(2)
A、destroy B、remove C、resist D、reject
(3)
A、particularly B、relevantly C、intentionally D、potentially
(4)
A、estimates B、subjects C、measurements D、patents
(5)
A、displayed B、identified C、justified D、preserved
(6)
A、behavior B、habitat C、manner D、motion
(7)
A、flexible B、favorable C、accessible D、changeable
(8)
A、internally B、accurately C、securely D、independently
(9)
A、extent B、damage C、trend D、limit
(10)
A、agreed B、promised C、proved D、assumed
(11)
A、immediate B、superior C、entire D、timely
(12)
A、evident B、unique C、common D、realistic
(13)
A、gap B、scan C、boom D、fit
(14)
A、replaced B、littered C、packed D、matched
(15)
A、reverse B、resemble C、influence D、motivate
举一反三
阅读理解

Position: Sales Manager

    A Sales Manager with Hilton Hotels and Resorts will develop a sales team and a sales plan that maximizes revenue (收益) by driving the sale of conference facility space and guest rooms.

    What will it be like to work for the Hilton Brand?

    One of the most recognized names in the industry, Hilton Hotels & Resorts offers travelers a world of authentic (可信的) experiences. The brand continues to be innovative and forward-thinking. With products and services that meet the needs of tomorrow's smart global travellers, we share experiences in which every guest feels cared for, valued and respected.

    If you understand the importance of upholding a brand's reputation, you may be just the person we are looking for to work as a Team Member with Hilton Hotels & Resorts.

    What will you be doing?

    As a Sales Manager, you will work with the Conference & Events Sales Department to maximize revenue opportunities. A Sales Manager will be directly responsible for performing the following tasks to the highest standards:

●Maximize all Conference & Events revenue opportunities

●Meet the hotel's set targets

●Understand the marketplace to ensure the hotel stays competitive in the local market

●Ensure the sales team is developed effectively and embraces a culture of high quality

●Work effectively to build relationships with colleagues in the hotel

What are we looking for?

A Sales Manager serving Hilton Worldwide Brand hotels is always working on behalf of our guests and working with other Team Members. To successfully fill this role, you should maintain the following attitude, behavior, skills and values:

● Strong leadership skills that motivate the Sales Team to perform beyond expectations

● Excellent selling capabilities

● Desire to coach the Sales Team in selling techniques

● Excellent organizational and planning skills

What benefits will you receive?

Your benefits will include a competitive starting salary and holiday entitlement. As an employee you will become a member of the Hilton Club, which provides reduced hotel room rates in our hotels worldwide, plus discounts on products and services offered by Hilton Worldwide and its partners.

根据短文内容,选择最佳答案,并将选定答案的字母标号填在题前括号内。

阅读理解

    For those who are tired doing the laundry, Samsung has found an answer: a washing machine that can tell you when your laundry is done via a smartphone app(application).

    Strange though it may seem — “my wife already does that” was a common response among attendees viewing the device when it was introduced at the Consumer Electronics Show (CES) this week — Samsung is just one of many appliance makers racing to install (安装) a large number of internet-connected features in machines in an effort to make them “smart”.

    Last year, it was a refrigerator that tweeted. This year, it's Wi-Fi-enabled laundry machines and fridges that can tell you when your groceries are going bad.

    The washers and dryers, available starting in the spring, connect to any smartphone through a downloadable application. The phone can then be used as a remote control, so the machines can be turned on and off while their owners are at work or on the bus.

    Samsung says it's not just something new — the app connection actually has some practical uses.

     “If you started to dry clothes in the morning and forgot to take them out, you can go to your phone and restart your dryer for the time when come home, so your clothes are refreshed and ready to go,” said spokesperson Amy Schmidt.

    The company also says that with electricity rate(电价)varying depending on the time of day, more control over when the machines are used can help save money.

    Perhaps, but what they will probably really accomplish is what all good technologies do —enable laziness. Rather than getting up to check on whether the laundry is done, users will instead monitor it on their phones while watching TV.

阅读下面短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。

    Mid-afternoon on a particularly busy Tuesday, I took leave of my desk at work and walked into a local Starbucks, only to find a space where neither my clients (客户) nor my children would ask me to do something.

    Inside, I ran into Kate, a co-worker of mine. The topic of parenthood came up. I complained about how packed my schedule was. From the minute I woke up to the minute I fell asleep, I was constantly in demand and always had someone knocking at the door. But a bit of sadness seemed to come over Kate's face.

    "Well, my daughter's in San Francisco and she doesn't seem to need me at all these days." Kate said. It was in that moment that I realized although I might often feel in high demand, there will come a day when I'll actually miss that same stress I now complain about.

    And as our conversation continued, it turned to our children's younger years, with Kate smiling proudly, thinking of the little boy and girl she raised who are now a man and a woman. But I noticed her smile was marked with regret. She explained that she often wondered about what she could have done differently when her children were in their earlier years.

    This got me thinking Is regret an unfortunate footnote (注脚) to parenthood? With that in mind, I asked six older parents one question: What is your biggest regret from your early days as a parent?

    It turned out that all of them thought they could have done it better. But, each of them also has a strong, healthy relationship with their kids. Whatever regrets their parents might have had about their upbringing, one thing is clear—it didn't affect them in a meaningful way.

    The bottom line is, we all feel like we could be doing this parenting thing better, And quite clearly, years later, we're still going to look back and wish we tried things differently. But the past can't be changed, and neither should it.

阅读理解

When your boss calls and tells you to send $100,000 to a supplier, be on your toes. It could be a fake call. As if fake emails weren't enough, on the rise now is the deep fake audio (虚假音频) that can be cloned to sound almost real and perfect and is easy to create. "It's on the rise, and something to watch out for," says Vijay Balasubramaniyan, the CEO of a company called Pindrop.

Balasubramaniyan stated during a safety meeting how easy it is to use machine to create sentences that a person probably never said from recorded words. "All you need is five minutes of audio, and you can create fake audio," says Balasubramaniyan. Then, he showed a database (数据库) of voices, typed a sentence, and connected it to a famous people's name on the list. A few seconds later, he clicked "play", and it sounded quite real.

More costly are fake phone calls, where cheaters are able to fake the phone number of real contacts and make calls that result in workers sending off lots of money. He mentioned the example of a United Kingdom energy company in 2019 that got attacked by deep fake audio in a call that asked a worker to send $243,000 to a supplier. Reported by the Wall Street Journal, the worker was directed to pay it within an hour.

Balasubramaniyan says if you were to get that kind of call from a "boss" be doubtful and ask to call back right away to prove authenticity (真实性). Besides this, in his opinion, companies need to use more safety measures for keeping up with deep fake artificial intelligence (AI) that produces phone calls and software to check authenticity versus fake calls. "This is a threat that's waiting to happen," he says. "It's a very small number now, but it's very real."

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