犯罪的特点不包括()。
A、社会危害性
B、刑事违法性
C、应受刑罚的惩罚性
D、犯罪主体的主观性
参考答案:D
Not only __________ interested in football but _________ beginning to show an interest in it.
A.the teacher himself is , all his students are
B.the teacher himself is, are all his students
C.is the teacher himself, are all his students
D.is the teacher himself, all his students are
双安妥明是一种降血脂药物,主要用于降低血液中胆固醇浓度,安全,副作用小,其结构简式为:
已知:
I.
II.RCH=CH2HBr,过氧化物RCH2CH2Br,双安妥明的合成路线如下:
已知:C的摩尔质量是同温同压下氢气质量的28倍;I能发生银镜反应且1mol I能与2molH2S生加成反应;K的结构具有对称性.试回答下列问题:
(1)双安妥明的分子式为:______.
(2)E的结构简式为:______
(3)反应②的条件是______
(4)J与新制氢氧化铜发生反应的化学方程式为:______
(5)反应④的化学方程式为:______
(6)符合下 * * 个条件的H的同分异构体有______种,①能与FeCl3溶液显色;②苯环上只有2个取代基:③1mol该物质最多可消耗3mol NaOH,其中氢原子共有五种不同环境的是(写结构筒式)______.