【单选题】盐酸美西律的化学名为
B.
1-(2,6-二甲基苯氧基)-2-丙胺盐酸盐
C.
4-氨基-N-[(2- 二乙氨基)乙基]苯甲酰胺
D.
2-(2-氯苯基)-2-(甲氨基)环已酮盐酸盐
【单选题】化学名为N,N-二甲基-2-(二苯基甲氧基)乙胺盐酸盐的药物是哪个
【单选题】20170104 a2、a3、a4时,现采用加权平均来预测5月份的销售额。权重的比例为1:2:3:4,时间越近则权重越大,预测的结果为(4)
B.
0.la1+0.2a2+0.3a3+0.4a4
D.
0.4a1+0.3a2+0.2a3+0.la4
【单选题】Ann speaks _____ Japanese, as she has lived there for three years.
【单选题】Ann is a______ girl, she speaks English very______.
【简答题】A.D-苏式-(-)-N-[α-(羟基甲基)-βp-羟基-对硝基苯乙基)-2,2-二氯乙酰胺 B.(6R,7R)-3-[(乙酰氧基)甲基]-1-7[(2-氨基-4-噻唑基)(甲氧亚氨基)乙酰氨基)-8-氧代-5-硫杂-1-氮杂双环[4,2,0)辛-2-烯-2-甲酸钠 C.(6R,7R)-3-甲基-7-[(R)-2-氨基-2-(4-羟基苯基)乙酰氨基)-8-氧代-5-硫杂-1-氮杂双环[4,2,0]...
【单选题】Ann speaks( )Japanese, as she has lived there for three years.
【判断题】{ 西沙必利的化学名为 N-[(2-二乙氨基)乙基]-4-个氨基-2-甲氧基-5-氯-苯甲酰胺(4-Amino-5-chloro-N-[(2-diethylamino)ethyl]-o-anisamine) }