
【名词&注释】
铁矿石(iron ore)、水杨酸(salicylic acid)、盐酸美沙酮(methadone hydrochloride)、哥本哈根气候变化会议、磷酸可待因(codeine phosphate)、碳酸铵(ammonium carbonate)
[单选题]减缓温室气体排放是2009年哥本哈根气候变化会议的议题。下列反应不产生温室气体的是
A. 用纯碱制玻璃
B. 用煤炭作燃料
C. 用铁矿石炼铁
D. 用氨制碳酸铵(ammonium carbonate)
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举一反三:
[单选题]可与FeCI3试液直接呈色的药物是( )。
A. 磷酸可待因(codeine phosphate)
B. 盐酸哌替啶
C. 盐酸美沙酮
D. 盐酸吗啡
E. 基酯水杨酸
[单选题]Distinguished guests and friends, welcome to our school, the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad.
A. Attend
B. To attend
C. Attending
D. Having attended
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