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【单选题】
光电信息科学与技术实验的两个特点是（ a ）和（ b ），以下对a和b的解释正确的是（ ）。A.
a、仪器的调节重要性 b、实验数据的重要性
B.
a、仪器的调节重要性 b、实验的精密性
C.
a、实验数据的重要 b、实验的精密性
D.
a、实验的粗放型 b、实验的不可预知性
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反馈参考答案：
举一反三
【简答题】阅读理解1 Online advertising is the means of selling a product on the Internet.With the arrival of the Internet,the business world has become digitalized(数字化)and people prefer buying things online,which i...
【简答题】计算机仿真的三要素和三个基本活动分别是什么?
【单选题】What's the main idea of the passage?
A.
Online advertising is more effective than TV advertising.
B.
Google and Yahoo! are challenging Microsoft in the field of advertising.
C.
Google's new advertising service could make the internet an even more valuable marketing medium.
D.
Online advertising is popular with advertisers.
【单选题】What's the main idea of the passage?
A.
online advertising is more effective than TV advertising.
B.
Google and Yahoo! are challenging Microsoft in the field of advertising.
C.
Google's new advertising service could make the internet an even more valuable marketing medium.
D.
online advertising is popular with advertisers.
【单选题】The un-verb can be found in the following EXCEPT ______.
A.
online
B.
on cellphone
C.
in advertising
D.
in broadcasting
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