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A.AI
B.RDA
C.EAR
D.RNI
E.UL
B.RDA
C.EAR
D.RNI
E.UL
可以满足特定人群50％个体需要的摄入水平是
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更多 “A.AI B.RDA C.EAR D.RNI E.UL可以满足特定人群50％个体需要的摄入水平是” 相关考题
考题
给定关系模式R(U,F)，萁中：u为关系模式R中的属性集，，是u上的一组函数依赖。假设u={A1，A2，A3;A4)，F={A1→A2，A1A2→A3,A1→A4,A2→A4那么关系R的主键应为( 52 )。函数依赖集F中的( 53 )是冗余的。A.AI →A2B.AIA2→A3C.Al→A4D.A2→A4
考题
下列说法中，正确的有__________。A.AI和RNI都是个体营养素摄入的目标值B.AI通常比RNI高C.AI的准确性不如RNID.对于某人群的每日能量摄入量的目标值，EAR和RNI相等E.AI和RNI的计算方法不同，但表示的意义相同
考题
最近，一家英国公司用人工智能（AI）算法自动编写了《哈利·波特》续集——《哈利·波特与看起来像一大坨灰烬的肖像》。该公司表示，他们是想用AI与人类智慧结合的新手段造出一些单凭人类或者电脑都无法实践的作品。虽然目前的《哈利·波特》续集有些四不像，但说不定在未来的文艺体系中，人机结合的作品真的能自成一派。这段文字意在表明
A.AI小说引起世界各大主流媒体的关注
B.人机结合可能会成为创作的一种方式
C.AI小说充分体现了英国人的游戏精神
D.人机结合的作品只能让读者啼笑皆非
考题
关于人工智能(AI)的叙述中，不正确的是（ ）。A.AI不仅是基于大数据的系统，更是具有学习能力的系统
B.现在流行的人脸识别和语音识别是典型的人工智能应用
C.AI技术的重点是让计算机系统更简单
D.AI有助于企业更好地进行管理和决策
考题
AI应用于医疗服务，已经有很长一段时间。机器医生的表现看起来神奇，但在AI专家眼里，这些医疗应用都属于计算机视觉中的图像识别范畴，而大数据支持的图像识别技术，机器的表现已经在很多方面超过了人类，在医学影像领域展现实力属于正常发挥。这段文字意在说明A.AI在医学图像识别领城的进展
B.AI用于医学图像识别已趋成熟
C.AI在医学上的表现已超越人类
D.AI必将全面进入医疗服务领域
考题
关于AI和RNI，下列说法正确的是（ ）。
A.AI和RNI都是个体摄人量的目标值
B.AI的准确性不如RNI
C.AI和RNI计算方法不同，表示的意义相同
D.AI通常比RNI高
E.AI通常比RNI低
考题
Text 2 In a former leather factory just off Euston Road in London,a hopeful firm is starting up.BenevolentAI's main room is large and open-plan.In it,scientists and coders sit busily on benches,plyinS their various trades.I\e firm's star,though,has a private,temperature.controlled office.Thal star is a powerful computer that runs the software which sits at the heart of BenevolentAl's business.This software is an artificial-intelligence system.AI,as it is known for short,comes in several forms.But BenevolentAI's version of it is a form of machine learning that can draw inferences about wh8t it has leamed.In particular,it can process natural language and formulate new ideas from what it reads.Its job is to sift through vast chemical libraries,medical databases and conventionally presented scientific papers,looking for potential drug molecules.Nor is BenevolentAI a one-off.More and more people and firms believe that AI is well placed to help unpick biology and advance human health.Indeed,as Chris Bishop of Microsoft Research,in Cambridge,England,observes,one way of thinking aboui living organisms is to recognize that they are,in essence.complex systems which process informalion using a combination of hardware and software.That thought has consequences.Whether it is the new Chan Zuckerberg Initiative（CZI）,from the founder of Facebook and his wife,or the biological subsidiaries being set up by firms such as Alphabet（Google's parent company）,IBM and Microsofi,the new Big Idea in Silicon Valley is that in the worlds of biology and disease there are problems its software engineers can solve.The discovery of new drugs is an early test of the belief that AI has much to offer biology and medicine.Pharmaceutical companies are finding il increasingly difficult lo make headway in their search for novel products.The conventional approach is to screen larf;e numbers of molecules for signs of relative biological effect,and then weed out the useless partin a series of more and more expensive tests and trials,in the hope of coming up with a golden nugget at the end.This way of doing things is,however,declining in productivity and rising in cost.
According to the lasc paragraph,which of the following is true?A.AI has made a great contribution to biology and medicine.
B.Whether AI can serve mucb to medicine is not yet clear.
C.Drug firms find it unaffordable to discover new products.
D.Pharmaceutical companies hope to find real gold in the tests.
考题
AI和RNl的区别是（ ）。A.AI的准确性大于RNI
B.AI的准确性小于RNI
C.AI的精密性大于RNI
D.AI的精密性小于RNI
E.AI的精密性等于RNI
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