A:促进会员国之间的经济技术合作
B:缩短同世界先进国家的差距
C:缓解东盟经济危机
D:建设和平的周边环境
①Ni+2HCl=NiCl2+H2↑ ②NiO+2HCl=NiCl2+H2O ③NiO2+4HCl=NiCl2+Cl2↑+2H2O
对上述反应的分析判断错误的是( )
﹣C═C﹣
─CH2CH3
或─C2H5
─OH
─CHO
─COOH
﹣COO﹣R
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阅读短文,选择正确答案
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