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【单选题】
世界艾滋病日是每年的A.
6月1日
B.
8月1日
C.
12月22日
D.
12月1日
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【简答题】水平子系统通常由 ( ) 对非屏蔽双绞线组成,如果有磁场干扰时可用屏蔽双绞线。
【单选题】Which of the following statements can best summarize the implications of Paragraph 2?
A.
Texans are so conceited that they blindly and subjectively consider everything Texan to be inclusively Texan.
B.
Texans pride themselves on being superior to other Americans who are not as rich as Texans.
C.
Texans thumb down on all non-natives and regard them as being less educated and resourceful.
D.
Texans are crude in nature, savage in behavior, and conceited in personality.
【单选题】Which statement about composite is NOT TRUE according to the tex?
A.
A composite is composed of two or more individual materials.
B.
A composite combines the properties not displayed by any single material.
C.
A Composite incorporates the best characteristics of each of the component materials.
D.
Naturally-occurring materials such as wood and bone are not composites.
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