Sir Francis Bacon's _______ elaborates on the importance of reading.
A. Of Studies
B. Companionship of Books
C. Youth
D. Book of the Dead
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Through reading, man can find companionship and grow wiser, but cannot take in pure pleasure.
A. 对
B. 错
What are the two mentioned reasons for the declining number of the reading population?
【单选题】相贯线的基本性质有( )、封闭性。
A. 共有性
B. 平面性
C. 开放性
【单选题】相贯线的作图方法,是先求( )、再求()、最后以此连接并判断()。
A. 可见性、一般点、特殊点
B. 特殊点、可见性、一般点、
C. 特殊点、一般点、可见性