chemistry\rB. astronomy\rC. economics\rD. literature\r103. The author points out that the Greeks who studied conic sections\rA. were mathematicians\rB. were interested in navigation\rC. were unaware of the practical value of their studies\rD. worked with electricity\r104. The title below that best expresses the ideas of this passage is\rA. Technical Progress\rB. A Little Learning Is a Dangerous Thing\rC. Man's Distinguishing Characteristics\rD. The Value of Pure Knowledge.\r105. Pure knowledge is valuable for its own sake because\rA. it is sought only for the purpose of understanding\rB. it is the foundation for practical results\rC. people are keen on it\rD. people are curious about it
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