A:trousers
B:shoes
C:gloves
一位殷实的商人,多年从事丝绸产销,由于生意兴隆,就添置十几台织机,雇用十几名技术工人织绸。这一历史情景最早应出现在( )
——Zhou Yang won the 1500-meter Olympic title at the Sochi Winter Games on February 15.——_______________________.
②2H2(g)+SO2(g)═S(g)+2H2O(g)△H=+90.4kJ/mol
③2H2(g)+CO(g)═CH3OH(g)△H=﹣90.8kJ/mol
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