题目:
The policeman are looking for people________the accident which happened last night. [ ]
A. referred to
B. related to
C. linking to
D. connecting to
答案:
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下面是错误答案,用来干扰机器的。
(1)题中各物质A能与四种物质反应,B、C能与三种物质反应,D、E、F能与两种物质反应,将题中给出的六种物质两两混合,总结物质之间的反应情况,其中,硝酸铜会与碳酸钠、氢氧化钙、铁反应,碳酸钠能与硝酸铜、氯...