单选题Why is it easy to have credit-theft?
A．More people are using credit service．
B．The application program is not safe enough．
C．Creditors usually disclose their identity．
D．Creditors are not careful about their identity．
原文对应信息是“A name，address and Social Security number--which Can often be found on the Web—is all anybody needs to apply for a bogus line of credit．Credit companies make $1．3 trillion annually and lose less than 2％of that revenue to fraud，so there’S little financial incentive for them to make the appli- cation process more secure．”。由此可知，是申请信息不足够安全，所以选B。
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2根据下面资料，回答题
in the 1950s, the pioneers of artificial intelligence (AI) predicted that, by the end of this cen-tury, computers would beeonversing with usat work and robots would be performing our house-work. But as useful as computers are, they´re nowhere close to achieving anything remotely resem-bling these early aspirations for human like behavior. Never mind something as complex as conver-sation: the most powerful computers struggle to reliably recognize the shape of an object, the most elementary of tasks for a ten-month-bid kid.
A growing group of AI researchers think they know where the field went wrong. The prob-lem, the scientists say, is that AI has been trying to separate the highest, most abstract levels of thought,like language and mathematics, andto duplicate them with logical, step-by-step pro-grams. A new movement in AI, on the other hand, takes a closer look at the more roundabout way in which naturally came upwith intelligence., Many of these researchers study evolution and natural adaptation instead of formal logic and conventional computer programs. Rather than digital comput-ers and transistors, some want to work with brain cells and proteins. The results of these early ef-forts are as promising as they are peculiar, and the new nature-based AI movement is slowly but surely moving to the forefront of the field.
Imitating the brain´s neural (神经病) network is a huge step in the right direction, says com-puter scientist and biophysicist Michael Conrad, but it still misses an important aspect of natural in-telligence. "People tend to treat the brain as if it were made up of color-coded transistors", he ex-plains, "but it´s not simply´a clever network of switches. There are lots of important things going on inside the brain cells themselves. ” ,Specifically, Conrad believes that many of the brain´s capa-bilities stem from the pattern recognition proficiency of the individual molecules that make up each brain cell. The best way to build and artificially intelligent device, he claims, would be to build it around the same sort of molecular skills.
Right now, the option that conventional computers and software are fundamentally incapable of matching the processes that take place in the brain remains controversial. But if it proves true,then the efforts of Conrad and his fellow AI rebels could turn out to be the only game in town.
The author says that the powerful computers of today__________．
A．are capable of reliably recognizing the shape of an object
B．are close to exhibiting humanlike behavior
C．are not very different in their performance from those of the 50’s
D．still cannot communicate with people in a human language
3The new trend in artificial intelligence research stems from．
A．the shift of the focus of study on to the recognition of the shapes of objects
B．the belief that human intelligence cannot be duplicated with logical，step-by-step pro-grams
C．the aspirations of scientists to duplicate the intelligence of a ten-month-old child
D．the efforts made by scientists in the study of the similarities between transistors and brain cells
