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【多选题】
Which of the following statements about machine learning are correct?A.
Machine learning can be considered to be the automation of predictive analyses & it generates models based on computer data.
B.
Machine learning relies excessively on the rules, which results in poor portability & scalability.
C.
It can work only in an environment where there are tight constraints & limited objectives. But it cannot process dynamic, non-complete, & unstructured information.
D.
Machine learning is a core part of AI, that is an AI technology enabling systems to learn without being programmed.
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【单选题】When returning products to us, you must take care to see that they are received by us and not damaged in transit.
A.
退还货物的时候,你要保证收件人的地址准确无误,并保证货物完好无损。
B.
将产品退还给我们时,你必须确保货物已被我们收到,且未在传输中受损。
C.
寄送货品时你必须正确的填写收件人的姓名和地址,以及该地的邮政编码。
【简答题】具有五层协议的网络体系结构与OSI模型的区别是什么?OSI模型在ISO和GB标准体系中是哪些?分别定义了什么?为什么单纯的从七层角度理解OSI模型是片面的?
【单选题】A car in a drag race started from rest and accelerated constantly to a velocity of 50 m/s when it reached the end of a 500-m road. What was the car’s rate of acceleration?
A.
−5.0 m/s2
B.
−2.5 m/s2
C.
0.5 m/s2
D.
2.5 m/s2
E.
5.0 m/s2
【单选题】— I've had a stomachache for two weeks. — You ____ to the doctor when it started. [ ]
A.
must go
B.
should go
C.
ought to have gone
D.
might have gone
【单选题】A car in a drag race started from rest and accelerated constantly to avelocity of 50m/s when it reached the end of a 500m road. What was thecar’s rate of acceleration?
A.
−5.0 m/s 2
B.
−2.5 m/s 2
C.
0.5 m/s 2
D.
2.5 m/s 2
【多选题】下列关于新中国成立的重大意义,论述正确的有
A.
结束了帝国主义压迫、奴役中国人民的历史，结束了本国封建主义、官僚资本主义统治的历史
B.
结束了中国军阀割据、战乱频仍、匪患不断的历史
C.
为实现由新民主主义向社会主义的过渡创造了政治前提
D.
中国共产党成为全国范围内的执政党
【多选题】对新生使用图书馆,有专门的服务通道:
A.
新生入馆培训及参观图书馆等系列活动
B.
通过图书馆网站
C.
新生手册、图书馆微信、馆内张贴的海报
D.
图书馆首页->新生专栏
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