题型:任务型阅读 题类:常考题 难易度:困难
2016届江苏如东高级中学高三上学期期中英语试卷
ID systems are used as a means for people to prove their identity, as a means of access control, or for many other situations. ID cards also contain a lot more information than simply the name of the holder. All ID cards contain information that is relevant to the institution that released them, so there is no single model that applies to all ID cards.
Different institutions have different rules when it comes to ID cards, and ID cards used by students, in universities, will not have the same security features as those used in the military, for example. The more important the institution is, the more important the security is, and the more security features will be used to prevent duplication(复制) of an ID card.
Anyone with a printer that can print ID cards can duplicate in ID card, if it does not have any security measures. There have been lots of cases, especially in low security institutions, where ID cards have been duplicated and this was not noticed, since the person holding the card usually flashed it when it was requested, and that was not enough to notice that it is a fake.
That may not be extremely important when it is simply a case of a student trying to enter the campus of another university, but it can be of vital importance if it happens in a military institution. Checks in military institutions are much stricter and the personnel checking the card are always trained to spot fakes in a short amount of time.
Some may think that creating an ID card is extremely difficult, but it is not. All it takes is a special printer that can print ID cards, a model and a photo ID. The fact that such printers can be freely ordered online has raised security issues with lots of companies and institutions, and most have decided to either create their own ID cards, or simply use more advanced security features that regular home-users do not have access to. This includes magnetic stripes(磁条), chips, barcodes(条形码),and other methods. This does increase the cost of the card per person, so the total cost of the cards increases based on the number of employees the company has, but it also reduces security risks to a minimum.
So ID systems, as basic as they seem, are an excellent security measure for any institution. To ensure that the IDs look good and function properly, the company that handles the card printing services should be top-class. Trying to save some money by choosing a cheaper provider is not really wise. While some companies offer bonuses for large orders, if the quality provided is not of the highest standard, it is not worth it.
ID systems | |
Passage outline | Supporting details |
to ID system | There is not a single model to all ID cards because of different information contained in different ID cards. Different security features are decided by the degree of the of the institutions |
Security features of ID cards | With no security measures quite a lot of of ID card duplication have happened. In a military institution ID cards are more strictly |
of ID cards | It is not to make ID cards with special printers. Using magnetic stripes, chips and barcodes the safety of ID cards. |
The author's advice | basic and simple, ID systems are an excellent security measure. It's wise to top-class providers or services to ensure ID cards of a fine quality. |
A. A general sleep rule. B. The importance of sleep. C. A funny sleeping example. D. Different levels of sleep. E. The time we need for sleep. F. Different states of sleep. |
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Sleep, as we know, is important to us because it helps restore tired organs and tissues in our body. But how much sleep do we actually need?
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For most of us, eight hours seems to be about the right amount. Yet we know that there are a great many people who get along perfectly with less sleep and some who may even need more. A great deal depends on the way we live. But a good general rule to follow is to sleep as long as we have to in order to feel happy and be able to work at our best when we are awake.
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There are actually different levels of sleep. There is a deep sleep and a shallow sleep. In a shallow sleep our body does not get the same kind of rest as it gets in a deep sleep, so that after eight hours of a shallow sleep we may still feel tired. But a short deep sleep can be very restful.
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Alexander the Great was able to get a deep sleep whenever he needed it. Once, during the night before an important battle, he remained awake longer than anyone else. Then he wrapped himself in a cloak and lay down on the earth. He slept so deeply that his generals had to wake him three times to give command to attack!
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Normally when we go to sleep, our “ sleep center” blocks off nerves so that both our brain and our body go to sleep. One prevents us form wanting to do anything and the other makes our internal organs and limbs go to sleep. But someone will fall asleep (brain sleep) and keep on marching, because his body is not asleep!
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