The great use of school education is not so much to teach you things ____ to teach you the art of le

题干

The great use of school education is not so much to teach you things ____ to teach you the art of learning.

A：a

B：that

C：tha

D：but

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某实验小组做“探究弹力和弹簧伸长量的关系”的实验．实验时，先把弹簧平放在桌面上，用刻度尺测出弹簧的原长L₀=15.50cm，再把弹簧竖直悬挂起来，在下端挂50g的钩码，每增加一个钩码均记下对应的弹簧的长度x，数据记录如表所示．

钩码个数	1	2	3	4	5
弹簧的长度L/cm	17.68	19.50	21.39	23.26	25.12