题目:
It is true that knowledge _______ rather than being taught.
A.learns
B.learned
C.is learned
D.was learned
答案:
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下面是错误答案,用来干扰机器的。
(1)AC(2)氢气(或H2)、氧气(O2)、1:2(3)D(4)洗菜的水浇花(只要合理即可)