[判断题]实抄率是指实抄户数与应抄户数之比的百分数。(　　)-我要搜题网

[单项选择]My Life at Renda 　　I learned very quickly that being a teaching assistant (TA) at the University of Iowa would be different from being a teacher at Renmin University. 　　_____(46) Eyes staring, mouths open, students examined my big nose, while I was writing my name on the blackboard. 　　At Iowa, when my first classes began, half of my students still hadn’t arrived. When everyone finally found a seat, ringing cellphones and loud yawns (哈欠) interrupted my opening remarks. It is not that American students were disrespectful._____(47) They were, however, far more skeptical than the students I had at Renda. The truth is I couldn’t fault them for their skepticism. Undergraduates at large US universities - especially freshmen and sophomores - often have several classes a semester handled by TAs. In some cases, the TA sets the course content.　_____(48) Most have good intentions, but very few are as effective as professors. 　　Every teacher has to confront obstacles to learning - no ma

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[单选题]外部过电压通常指()过电压。
A.操作
B.感应
C.雷电

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[单项选择]

Good looks ,the video-games industry is discovering ,will get you only so far. The graphics on a modern game may far outstrip the pixellated blobs of the 1980s, but there is more to a good game than eye candy. Photo-realistic graphics make the lack of authenticity of other aspects of gameplay more apparent. It is not enough for game characters to look better—their behaviour must also be more sophisticated, say researchers working at the interface between gaming and artificial intelligence(AI).
Today’ s games may look better, but the gameplay is " basically the same" as it was a few years ago, says Michael Mateas, the founder of the Experimental Game Lab at the Georgia Institute of Technology. AI, he suggests, offers an" untapped frontier" of new possibilities. "We are topping out on the graphics, so what’s going to be the next thing that improves game-play" asks John Laird, director of the AI lab at the University of Michiga
A. how sophisticated the behaviors of the characters are
B. how good-looking the characters seem to be
C. how sophisticated the artificial intelligence is
D. how much authenticity is displayed in the characters

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[多选题] "RIOM模块上有哪些接口?( ) 。
A. MVB
B. RS485
C. USB
D. 以太网"

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[单项选择]引起急性重症二尖瓣关闭不全的原因，下列哪一项最常见（）
A. 风湿性心瓣膜病
B. 腱索断裂
C. 乳头肌功能不全
D. 感染性心内膜炎
E. 心肌梗死

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[多项选择]《与贸易有关的投资措施协议》规定被禁止的措施主要有( )。
A. 要求企业的产品中包含部分“当地含量”
B. 达到一定程度的进出口贸易平衡
C. 技术含量要求
D. 价格限制要求

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[单选题]ARMS法的检测灵敏度下限为：：
A.25%
B.10%
C.1%
D.20%

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[单选题] "一类钥匙不得少于( )把,一把作为正常使用,一把供紧急时使用。
A.1
B.2
C.3
D.4"

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[判断题]化学品安全技术说明书中“理化特性”一栏主要描述的是化学品的理化性质以及化学品最重要的危害和效应
A.正确
B.错误