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[主观题]

Heat does not travel by convection in a solid, because the solid does not move, _____

A、so does a liquid

B、so a liquid does

C、so is a liquid

D、as does a liquid

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发布时间：2022-07-27

更多“Heat does not travel by convection in a solid, because the solid does not move, _____”相关的问题

第1题

If you are like most people, your intelligence varies from season to season. You are proba

bly a lot sharper in the spring than you are at any other time of year. A noted scientist, Ells- worth Huntington (1876-1947) concluded from other men's work and his own among peoples in different climates that climate and: temperature have a definite effect on our mental abilities.

He found that cool weather is much more favorable for creative thinking than summer heat is. This does not mean that all people are less intelligent in the summer than they are during the rest of the year. It does mean, however, that mental, abilities of large numbers of people tend to be lowest in the summer.

Spring appears to be the best period of the year for thinking. One reason may be that in the spring man's mental abilities are affected by the same factors that bring about great changes in all nature.

Fall is the next best season, then winter. As for summer, it seems to be a good time to take a long vacation from thinking!

According to the passage, your mental ability ______.

A．depends on your attitude towards people in different time of the year

B．changes for the worst when you dislike most people in hot season

C．will be best in winter and worst in summer if you want to be creative

D．turns to be more powerful in spring than in any of the other seasons

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第2题

For years people have been saying that the railways are dead. We all keep hearing that

trains are slow, that they lose money, that they’re dying. But this is far from the true. In these days of expensive oil, the railways have become highly competitive with motorcars and planes. If you want to carry people or goods from place to place, they’re cheaper than planes. And they have much in common with planes. A plane goes in a straight line and so does a railway. What is more, a railway takes you from the heart of a city center. It doesn’t hold you up as a car does, in endless traffic jams. And a single train can carry goods which no plane or motorcar could ever do.

Far from being dead, the railways are very much alive. Modern railway lines give you a smooth, untroubled journey. Where else can you eat well, sleep in comfort, feel safe and enjoy the scene while you are traveling at speed at the same time？ And we are only at the beginning. For we have just entered the age of super-fast trains, trains traveling at 150 miles an hour and more. Soon we will be wondering why we spent so much on motorways we can’t use because we have not enough money to buy the oil and planes we can’t fly in for the same reason.

1. Some people think the railways are dead for many reasons EXCEPT that ____.

A. planes and motorcars have taken the place of trains

B. oil is expensive today

C. trains are slow

D. railways lose money

2. The writers idea seems to be that ______.

A. we can do without railways

B. trains have much in common with motorcars and planes

C. motorcars and planes are not as good as trains

D. trains are as good as motorcars and planes

3. According to the writer, which of the following is NOT the advantage of railways？

A. It is cheaper to travel by train than by plane.

B. Super-fast trains travel even faster than planes.

C. The railway station is usually at the center of a city.

D. A train carries more goods than a motorcar or plane does.

4. The writer thinks that the railways, far from being dead, are very much alive because ___________.

A. we can have a smooth and untroubled journey

B. we’ll not have enough money to fly everywhere

C. we can now travel in super-fast trains

D. all of the above

5. The best title for this passage may be ________.

A. The Best Choice: Train, Motorcar or Plane

B. The Dying Railways

C. Super-fast Trains in the Future

D. Not the End, But the Beginning

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第3题

According to BTs futurologist, Ian Pearson, these are among the developments scheduled for

the first few decades of the new millennium(a period of 1, 000 years), when supercomputers will dramatically accelerate progress in all areas of life. Pearson has【C1】______together to work of hundreds of researchers around the world to produce a【C2】______millennium technology calendar that gives the latest dates when we can expect hundreds of key【C3】______and discoveries to take place. Some of the biggest developments will be in medicine, including an【C4】______life expectancy and dozens of artificial organs【C5】______into use between now and 2040. Pearson also【C6】______a breakthrough in computer human links. "By linking【C7】______to our nervous system, computers could pick up【C8】______we feel and, hopefully, simulate【C9】______too so that we can start to【C10】______full sensory environments, rather like the holidays in Total Recall or the Star Trek holodeck(甲板演习)," he says. But that, Pearson points【C11】______is only the start of man-machine【C12】______: "It will be the beginning of the long process of integration that will【C13】______lead to a fully electronic human before the end of the next century. "【C14】______his research, Pearson is able to put dates to most of the breakthroughs that can be predicted. However, there are still no【C15】______for when faster-than-light travel will be【C16】______or when human cloning will be perfected, or when time travel will be possible. But he does【C17】______social problems as a result of technological advances. A boom in neighborhood surveillance cameras will, for example, 【C18】______problems in 2010 , while the arrival of synthetic【C19】______robots will mean people may not be able to【C20】______between their human friends and the droids(机器人). And home appliances will also become so smart that controlling and operating them will result in the breakout of a new psychological disorder-kitchen rage.

【C1】

A．taken

B．pieced

C．kept

D．made

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第4题

The Maryland Science Center s more than fun. You can enjoy the three floors of exciting th

ings, watch the larger-than-life play on the 4th floor, and travel to other worlds, to far away stars, on the 5th floor.

Don' t just look. You are expected to feel, to turn, to push. Build your own house and earn why t stands or falls. Use computers to work out plans just as famous scientists have done. There s always something new to learn at the Maryland Science Center.

Children and group visitors enjoy half price.

The excitement of the Maryland Science Center does not end when you leave. Visit the Science Store for a gift you' d like to keep. Electronic jewelry(电子珠宝), games, books, and more — take part of the Science Center home with you.

Information

Where to call:

24 hour general(常规的) information(410)685-5225

24 hour STARLINE night, sky information (410)S39-STAR

Group visitor information (410) 685-2370

Hours:

The Maryland Science Center is open 7 days a week(except Thanksgiving Day and Christmas

Day)

Monday-Friday 10 a. m.-p. m

Saturday and Sunday 10a.m.-p.m.

Whacan visitors do at the Maryland Science Center？

A．Learn science by trying it out.

B．Watch and take part in a play.

C．Make gifts for their friends.

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第5题

As he wiped sweat from his face on a crowded bus, Wang Jun spoke angrily, " it is simply t

oo hot today. They say it is 35 degrees, but who believes them？"

Mr. Wang, a retired worker, was echoing the feelings of thousands of Beijing people as summer entered its hottest stage.

Thursday was the hottest day of the year so far, with the temperature officially reported as 36 degrees. But many people believe the government understates the real figure because regulations (条例 ) passed in the 1950s allow workers to stay at home for all or half day if the temperature is higher than 38 degrees.

" It was at least 40 degrees on Thursday, " said Liang Guojun, a middle school teacher. " It was unbearable. But the newspaper said only 36 and forecast rain. Of which there was none.

In Beijing, visitors to Daguanyuan Park in the southwest of the city said the ground temperature reached 55 degrees on Thursday.

The Beijing Evening News reported yesterday that more than 3 , 000 people had been admitted to hospitals suffering from heat stroke (中暑) , while local power companies were struggling to meet the demand for electricity.

A heat wave is sweeping much of the mainland, with temperatures in parts of Beijing, Shandong and Hebei provinces reaching as high as 39 degrees. Xinhua said the average temperature in Beijing on Thursday was 36 degrees but in the northern part of Tanghe Kou it was 39 degrees.

Hundreds of people suffering fevers were treated at hospitals. The Chaoyang hospital in northeast Beijing reported 55 such cases on Wednesday. They said most were caused by the difference in temperature between air-conditioned areas and outdoors.

Mr. Liang said the regulation on stopping work when the temperature reached 38 degrees was passed in the 1950s when Beijing had no air-conditioning and depended on fans—either handheld or electric.

"But in those days the temperature rarely reached 38 degrees, so the rule was not actually used. Now we have had years of global warming and industrial pollution and the summers get hotter each year, which means that the temperature is often higher than 38.

But an official from the Beijing Meteorological Observatory (北京气象台) said they had no knowledge of any such regulation.

Whom does the underlined word "they" (Paragraph 1) refer to？

A．Bus drivers.

B．Weather reports.

C．Newspaper editors.

D．Passengers on the bus.

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第6题

The Maryland Science Center is more than fun. You can enjoy the three floors of exciti

ng things, watch the larger-than-life play on the 4th floor, and travel to other words, to faraway stars, on the 5th floor. Don’t just look. You are expected to feel, to turn, to push. Build your own house and learn why it stands or falls. Use computers to work out plans just as famous scientists have done. There is always something new to learn at the Maryland Science Center. Children and group visitors enjoy half price. The excitement of the Maryland Science Center does not end when you leave. Visit the Science Store for a gift you’d like to keep. Electronic jewelry, games, books, and more–take part of the Science Center home with you. Information

Where to call: 24 hour general information (410) 686-5225 24 hour

STARLINE night sky information (410) 539-STAR

Group visitor information (410) 68502370

Hours: The Maryland Science Center is open 7 days a week (except Thanksgiving Day and Christmas Day) Monday–Friday 10 am–6 pm Saturday and Sunday 10 am – 8 pm

1.What can visitors do at the Maryland Science Center？()

A、Learn science by trying it out.

B、Watch and take part in a play.

C、Make gifts for their friends.

2.The Maryland Science Center usually stays open on weekends()

A、from 10 am -- 6 pm

B、from 10 am -- 8 pm

C、24 hours

3.By calling (410) 685-2370 we can get information about()

A、the night sky show

B、books and games

C、group price tickets

4.“Take part of the Science Center home with you” means that()

A、visitors can buy something there and take them home

B、the Science Center may be sold to visitors.

C、the visitors can make the Science Center their home

5.Which is true about the MarylandScienceCenter？()

A、Visitors can play and learn at the same time.

B、It helps visitors travel to other countries.

C、It can be visited 24 hours a day

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第7题

Ever since I was very small, I have had the sense that I ought to be somewhere else. I

remember watching trains flash by and wishing I was on board. I remember going to the airport with my parents when I was 13 and reading the destinations board, seeing all the places that I could go to: Los Angeles, Chicago, London.But the trains passed by and the planes took off without me, so I wandered the world through books. I went to Victorian England in the pages of Middlemarch and A Little Princess, and to St. Petersburg before the fall of the tsar with Anna Karenina.

My home was in a pleasant place outside of Philadelphia. But I really lived, somewhere else. I lived within the covers of books. In books I traveled, not only to other worlds, but into my own. I learned who I was and who I wanted to be, what I might achieve, and what I might dare to dream about my world and myself.

I travel today in the way I once dreamed of traveling as a child- on airplanes and in train. And the irony is that I don’t care for it very much. I am the sort of person who prefers to stay at home, surrounded by family, friends, books. The only thing I do like about traveling is the time on airplanes spent reading.

It turns out that when my younger self thought of taking wing, she wanted only to let her spirit soar. Books are the plane, and the train, and the road. They are the real destinations, and the journey too. They are home.

1.What did the writer do as a curious child？()

A.She visited Victorian England and Tsarist Russia.

B.She flew to Los Angeles, Chicago and London with her parents.

C.She read all kinds of books.

D.She spent lots of time traveling on trains.

2.How does the author feel about travel today？()

A.She doesn’t like it very much.

B.She takes great pleasure in it.

C.She feels tired of it.

D.She feels as excited as when she was young.

3.What did the author learn from books as a child？()

A.About many foreign places.

B.About many historical figures.

C.About the outside world as well as her own self.

D.About the ironies of life.

4.We can infer from the passage that when traveling by air, the author

spends most of her time on the way ().

A.reading books

B.resting herself

C.imagining things

D.letting her spirit soar

5.In this passage the author mainly talks about ().

A.the wonders of travel

B.her growth from an innocent child to a learned woman

C.the benefits of reading

D.the difference between childhood dreams and life’s realities

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第8题

More than how much money comes in it's a matter of how you spend it.That's whe

More than how much money comes in it's a matter of how you spend it.That's where budgeting comes in.A detailed budget helps you keep tabs on your income.There are many people who are able to live comfortably on what they earn, even if their income is modest.A budget, therefore, keeps track of income and expenses.It will segregate your fixed expenses like your food, stay and insurance and your variable expenses like your travel, entertainment, etc.

Adequate insurance for you and your family is an essential part of investing.Life, health and property insurance protect you and your loved ones from unforeseen mishaps.It is also wise to make a will so that your assets can be handled smoothly.

Good personal finance management involves investing, managing risk, insurance, understanding and handling debt and credit, knowing the value of time and money and ensuring that your retirement is taken care of.While planning you make an assessment of your present situation in relation to your goals.Managing personal finances becomes a hassle when you get into debt.Debt is what you owe, and can be good and bad.If you have borrowed money to buy property, it is an investment and the money you pay against interest on the loan is tax deductible.But running up debts like overdue credit cards is not good.This is why budgeting is very important so that you know exactly where your money is going.It is very easy to lose track of what you spend without a budget.

There are multiple ways to invest and save for the future.The crux of the matter is to keep in mind your sources of income and account for your expenses, while keeping a budget that is feasible.Periodical review keeps you in control of your personal finance.

1.The word "modest" in Para.1 probably means "____________"？

A.Honest

B.Mild

C.Average.

D.Large

2.How many ways of finance management does the author mainly mention？()

A.3

B.4

C.5

D.2

3.What's the essential part of investing for a family？()

A.Sources of income