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【简答题】
已知一个坐标系沿着x轴逆时针旋转30度角,则转动后坐标系的基底(打撇)与原坐标系基底(不打撇)的关系是: A. B. C. D.
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【多选题】在长句 “ One great weakness of the Internet, though, is that it is difficult to know whether the information is true and accurate. ” 中 , 包含哪些从句?
A.
表语从句
B.
宾语从句
C.
状语从句
D.
主语从句
【单选题】最常用的化学浸泡消毒剂是
A.
环氧乙烷
B.
碘伏
C.
过氧乙酸
D.
戊二醛
E.
酒精
【单选题】世界卫生组织规定视野半径小于等于多少度者,即使视力正常也属于盲
A.
≤20°
B.
≤30°
C.
≤35°
D.
≤10°
E.
≤5°
【判断题】The interdependence of precision and accuracy: A replicate set of data with a wide spread, may still have a mean close to the true result and thus be accurate. However, this accuracy reflect good prec...
A.
正确
B.
错误
【判断题】The interdependence of precision and accuracy: A replicate set of data with a wide spread, may still have a mean close to the true result and thus be accurate. However, this accuracy reflect good prec...
A.
正确
B.
错误
【简答题】Deductive reasoning is a type of reasoning which goes from general to specific. Deductive reasoning is based on premises and if the premises are true, then the reasoning will be valid. It is mostly us...
【单选题】The author's analogy between the mail-sorting system and chemistry would be LESS accurate if which of the following were true?
A.
Very few pollutants are mobile, and most are confined to only single compartments.
B.
All of the perturbations of the compartments by synthetic compounds are inconsequential.
C.
The vast majority of synthetically-derived compounds affect all compartments of chemistry.
D.
All chemical compounds have a more or less identical effect on all kinds of chemistry.
E.
Most of the compartments in chemistry have already been identified.
【判断题】世界卫生组织规定视野小于10°者, 即使中心视力正常也属于盲
A.
正确
B.
错误
【单选题】世界卫生组织规定视野小于()°者,即使视力正常也属于盲。
A.
30
B.
20
C.
10
D.
5
【单选题】Which of the following statements is NOT true?
A.
One needs accurate information to have an e-mail delivered.
B.
The variety of eastern languages adds up to the difficulty in providing the right data to a computer.
C.
Chinese, Korean, Japanese, Arabic, and Thai all have its share in the problem.
D.
The purpose of the discussion is to cancel English on the Internet.
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