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【简答题】
对关于 的一元二次方程 …… ，解决下列两个问题： （1）若 是从 三个数中的一个数， 是从 三个数中的一个数，求方程 有两个不相等实根的概率； （2）若 是从区间 的一个数， 是从区间 的一个数，求方程 有两个不相等实根的概率．
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举一反三
【单选题】14
A.
technical requirement has which of the following characteristics: A. easy to understand
B.
a communication tool between the user and the design team C. written in non-technical language D. developed in cooperation with the user E. typically describe physical dimensions and performance requirements
【单选题】A technical requirement has which of the following characteristics:
A.
easy to understand
B.
a communication tool between the user and the design team
C.
written in non-technical language
D.
developed in cooperation with the user
E.
typically describe physical dimensions and performance requirements
【单选题】96 A technical requirement has which of the following characteristics:
A.
easy to understand
B.
a communication tool between the user and the design team
C.
written in non-technical language
D.
developed in cooperation with the user
E.
typically describe physical dimensions and performance requirements
【单选题】Explaining a technical subject The passage discusses some complex topics, such as navigation and mapmaking, for a general or non-scientific audience. To do this, the writer uses such devices as compar...
A.
light, friendly, and humorous
B.
serious and informative, but not too formal
C.
academic and somewhat technical
D.
persuasive, with a clear point of view
【单选题】The following quotation shows the importance of __________ in technical writing. “Most of my writing is for clients who will make investment decisions based on their understanding of complex financial...
A.
persuasion
B.
ethics
C.
audience
D.
teamwork
【单选题】COMMUNICATION SKILLS People are often offered a job because of their technical skills. However,as they progress in a company they find that the ability to communicate wth others becomes more and more ...
A.
Right
B.
Wrong
C.
Doesn't say
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