In a world where it seems we already have too much to do,and too many things to think about,it seems the last thing we need is something new that we have to learn.But use cases do solve a problem wit

题目
In a world where it seems we already have too much to do,and too many things to think about,it seems the last thing we need is something new that we have to learn.But use cases do solve a problem with requirements:with( )declarative equirements it's hard to describle steps and sequences of events.Use cases,stated simply,allow description of sequences of events that,taken together,lead to a system doing something useful.As simple as this sounds,this is important.When confronted only with a pile of requiements,it's often( )to make sense of what the authors of the requirements really wanted the system to do.In the preceding example,use cases reduce the ambiguity of the requirements by specifying exactly when and under what conditions certain behavior occurs;as such,the sequence of the behaviors can be regarded as a requirement.Use cases are particularly well suited to capture approaches.Although this may sound simple,the fact is that( )equirement capture approaches,with their emphasis on declarative requirements and"shall"statements,completely fail to capture the( )of the system's behavior.Use cases are a simple yet powerful way to express the behavior of the system in way that all stakeholders can easily understand.But,like anything,use cases come with their own problems,and as useful as they are,they can be(请作答此空).the result is something that is as bad,if not worse,that the original problem.Therein it's important to utilize use cases effectively without creating a greater problem than the one you started with.

A.misapplied
B.applied
C.used
D.powerful
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相似问题和答案

第1题:

We laugh at jokes,but seldom about how they work.

A.we think

B.think we

C.we do think

D.do we think


正确答案:D

第2题:

Passage Two

When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.

People who are nearsighted can only see things that are very close to their eyes. Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly'.

People who are nearsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.

Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.

Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object out

of the other eye. You will find the object's relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

40. We should take good care of our eyes ______.

A. only when we cannot see perfectly

B. only when we can see well

C. even if we can see well

D. only when we realize how important our eyes are


正确答案:C

    40.答案为C  此考题为推理题。根据作者在第1段第2句所表达的,等到我们两眼视力下降了我们才认识到眼睛的重要性,我们就可断定C正确。

第3题:

—We need to a time to have a talk,now!

—What about tomorrow?I am too busy today.

A.put up B.fix up C.use up D.look up


正确答案:B

第4题:

We have so many tasks which need to do in all phases of medicine, public health and industry.()


正确答案:错

第5题:

Breathing is something we do ________ and we rarely think about it..

A enthusiastically

B thoughtfully

C eventually

D spontaneously


参考答案D

第6题:

B

The world is not only hungry,it is also thirsty for water. this may seem strange to you,since nearly 75% of the earth is covered with water. But about 97% of this water is sea water.Man can only drink and use the other 3% fresh water that comes from rivers,lakes,under-ground and other places. And we cannot even use all of that,because some of this fresh water has been made dirty.

At the moment,this small amount(数量) of fresh water is still enough for us. However,our need for water is getting greater and greater. Only if we take steps to solve this problem now,we can get away from a serious world water shortage later on. The people of the world cannot have an enjoyable life without enough clean water.

On one hand we should stop wasting this little water of ours,on the other hand we should find ways to reuse it,but this has not been done widely.

Today,in most large cities,water is used only once and it then returns to the sea or runs into underground places.lf we can make it clean again,it can be used once more just as if it were fresh from a spring.

But even if large cities reuse its water,we still would not have enough in the future. Where.could we turn to next for water? To the ocean! How can we do to make use of this great a-mount of sea water? We can take the salt from the water to make it fresh.

So if we take all these steps,we'll be in no danger of drying up!

( )26. Why does the writer say that the world is thirsty for water?

A. The amount of fresh water is really very small.

B. The people of the world waste too much water.

C. The people of the world have to drink a lot of water every day.

D. There are too many people in the world needing water.


正确答案:A
26.A【解析】由第一段的描述可知,人类只有3%的、 淡水可以利用。

第7题:

D

Modcm inventions have speeded up people’s lives amazingly. Motor-cars cover a bundred miles in little more than an hour. Aireraft cross the world a day, while computers operate at lightning speed. Indeed, this love of speed seems never-ending. Every ycar motor-cars are produced which go even faster each new computer boasts(吹嘘)of saving preeious seconds in handling tasks.

All this saves timc, but at a prick.When we lose or gain half a day in speeding aeross the world in an airplane, our bodies tell us so. We get the uncomfoerable feeling known as jet-lag; our bodies feel tlru they have been left bebind in anot ar nine zoors Again pending too long at compulers resul’s in painti ninrts and fingers. Mobile phones also to dange according to some seientists; too much uss may thesmit h bul radiation into our brains, a we do not like to think about.

Howave, what do we do with the time we have saved?Certainly not or so it seems. We are so accustomed to constant activity that we find it difficult to sit and do nothing, or even just one thing at a time. Pcrhaps the days are long gone when we might listen quietly to a story on the radio, letting imavination take us into another world.

There was a time when some people’s lives were devotcd simply to the cultivation of the land or the eare of eattle. No multi-tasking there; their lives wenl on at a much gentler pace, and in a familiar pattern. There is much that we might envy about a way of life like this. Yet before we do so ,we must think of the hard tasks our ancestors faeed;:they farmed with bare hands, often lived close to hunger, and had to fashion tools from wood and stone. Modem machinery has freed peope fre that primitive existcnee.

68.The new rooucts opcome more and more time-saving beeause ________

A.our lose e u speed uts never-ending

B.mo is liwhcd

C.shi pnces are increasingly high

D.the manufacturers boast a lot


正确答案:A

第8题:

B

Ask someone what they have done to help the environment recently and they will almost certainly mention recycling. Recycling in the home is very important of course. However, being forced to recycle often means we already have more material than we need. We are dealing with the results of that over-consumption in the greenest way possible, but it would be far better if we did not need to bring so much material home in the first place.

The total amount of packaging increased by 12% between 1999 and 2005. It now makes up a third of a typical household’s waste in the UK. In many supermarkets nowadays food items are packaged twice with plastic and cardboard.

Too much packaging is doing serious damage to the environment. The UK, for example, is running out of it for carrying this unnecessary waste. If such packaging is burnt, it gives off greenhouse gases which go on to cause the greenhouse effect. Recycling helps, but the process itself uses energy. The solution is not to produce such items in the first place. Food waste is a serious problem, too. Too many supermarkets encourage customers to buy more than they need. However, a few of them are coming round to the idea that this cannot continue , encouraging customers to reuse their plastic bags, for example.

But this is not just about supermarkets. It is about all of us. We have learned to associate packaging with quality. We have learned to think that something unpackaged is of poor quality. This is especially true of food. But is also applies to a wide range of consumer products, which often have far more packaging than necessary.

There are signs of hope. As more of us recycle, we are beginning to realise just how much unnecessary material are collecting. We need to face the wastefulness of our consumer culture, but we have a mountain to climb.

61. What does the underlined phrase “over-consumption” refer to?

A. Using too much packaging.

B. Recycling too many wastes.

C. Making more products than necessary.

D. Having more material than is needed.


正确答案:D

词义猜测题。根据文中的We are dealing with the results of that over-consumption in the greenest way possible, but it would be far better if we did not need to bring so much material home in the first place. 可知划线部分意义应为“过度消费”,所以D项意义正确。

第9题:

They both have _____ work to do, so they are _____ busy.

A.much too,too much

B.too much,much too

C.so many, too

D.to, much


正确答案:B 

第10题:

After the earthquake, many people ______ hunger and cold; we must do something to help them.

A.bear

B.stand

C.suffer

D.have


参考答案:C

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