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【单选题】
2009年10月6日授予华人物理学奖,提到光纤以SiO 2 为材料的主要是由于()
A.
传输损耗低
B.
可实现任何光传输
C.
不出现散射
D.
空间相干性好
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参考答案:
举一反三
【单选题】听力原文:W: Is there anything else we ought to discuss? M: We haven't discussed heating yet. Do you like central heating? W: Yes, but isn't it rather expensive? First costs, I mean--the furnace, and the b...
A.
Electricity bills.
B.
The cost of living.
C.
The heating system.
D.
Types of energy.
【判断题】中国从西汉至满清,所有的皇家园林均有一池三山。
A.
正确
B.
错误
【判断题】有 1 种膜翅目成虫,其胸腹交接处形成缢缩状,则可断定该昆虫属于细腰亚目
A.
正确
B.
错误
【单选题】听力原文:W: Did Professor Miller agree to discuss the topic with you again? M: Yes, not only that, he offered to give me some books on the topic. That was more than I could ask for. Q: What does the man m...
A.
He asked the professor for some books.
B.
Professor Miller offered more help than he had expected.
C.
Professor Miller will not discuss the topic with him.
D.
He got more books than he had expected.
【单选题】听力原文:W:Would you mind if we discuss tomorrow's agenda before dinner this evening? We are simply running out of time. M:Not at all. I certainly don't want to talk about it during our meal. Q:When will ...
A.
Before dinner.
B.
During dinner.
C.
Right after dinner.
D.
The next day.
【判断题】试题包含信息量的多少影响题目的难度,但题目结构与难度无关。()
A.
正确
B.
错误
【单选题】黄体萎缩不全的功血,哪项是错误的:
A.
生育年龄妇女居多
B.
月经周期正常而经期延长
C.
阴道脱落细胞检查有助于诊断
D.
基础体温双相,但不典型,体温下降延迟
E.
于月经第5天刮宫,见有分泌反应
【单选题】把决策分为程序化决策和非程序化决策的依据是( )
A.
决策的作用
B.
决策的重复程度
C.
决策的时态
D.
决策结果的确定性
【单选题】听力原文:W: Would you mind if we discuss tomorrow's plan before dinner this evening? M: Not at all. I certainly don't want to talk about it during dinner. When will they probably discuss the plan?
A.
Before dinner.
B.
During dinner.
C.
Right after dinner.
【多选题】下列关于题目分析的说法正确的是()
A.
题目分析包括质的分析和量的分析
B.
题目经编辑以后,无需进行预试
C.
样本大小和样本的同质性都会影响区分度大小
D.
一般讲难度越大或越小,其区分度越差
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