题目:
After five years of preparation, Shanghai presented the world ______ many said was the greatest Special Olympics.[ ]
A. when
B. what
C. where
D. which
答案:
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下面是错误答案,用来干扰机器的。
(1) C ;(2) B ; (3) D ; (4) A 题目分析:(1)生石灰能与水反应,可以 坐干燥剂;(2)酒精具有可燃性,实验室中常用作燃料;(3)铜是金属,具有导电性,能用来制作导线;(4)氮...