皮皮学，免费搜题
登录
搜题
【多选题】
按化学结构分类合成镇痛药有A.
苯基哌啶类
B.
氨基酮类
C.
苯乙酰胺类
D.
吗啡喃类
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】关于消费者剩余的表述,正确的是()。
A.
消费者剩余是购买一定数量的商品愿意支付的最高价格和实际支付的市场价格之间的差额。
B.
简单的说就是:“我们得到的小于我们支付的”。
C.
产生消费者剩余这种额外好处的根源是边际效用递增
D.
消费者剩余是消费者的一种心理感受
【简答题】阅读理解 I am a schoolboy. I have lessons from Monday to Friday. On Sunday morning, I usually get up very late. I wash my face and then go out to do morning exercises. It is about nine o'clock. After I ...
【简答题】Sadly, the main ________of pension equality so far have been men, not women. (beneficent)
【判断题】So far, men have not learned much about Antarctica only because it is too cold to do any research there
A.
正确
B.
错误
【单选题】阅读理解 I am a schoolboy. I have lessons from Monday to Friday. On Sunday morning, I usually get up very late. I wash my face and then go out to do morning exercises. It is about nine o'clock. After I ...
A.
much
B.
very much
C.
a little
D.
lots of
【单选题】在伺服系统中,通常要求承受额定力矩变化时,静态速降应(),动态速降应()
A.
大于10%，小于10%
B.
小于10%，大于5%
C.
小于5%，小于10%
D.
大于5%，小于5%
【简答题】I am a schoolboy. I have lessons from Monday to Friday. On Sunday morning, I usually get up very late. I wash my face and then go out to do morning exercises. It is about nine o'clock. After I eat my ...
【简答题】阅读理解 I am a schoolboy. I have lessons from Monday to Friday. On Sunday morning, I usually get up very late. I wash my face and then go out to do morning exercises. It is about nine o'clock. After I ...
相关题目：