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【单选题】
According to the passage, what did Mary Brant and Nancy Ward had in common?
A.
Each was called 'Beloved Woman' by her tribe.
B.
Each influenced her tribe' s role in the American Revolution.
C.
Each lost a brother in the American Revolution.
D.
Each went to England after the American Revolution.
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参考答案:
举一反三
【判断题】决定波函数在空间伸展方向的量子数是磁量子数m 。
A.
正确
B.
错误
【单选题】决定波函数在空间伸展方向的量子数是( )。
A.
n
B.
1
C.
m
D.
ms
【判断题】力偶的转向,顺时针为正,逆时针为负。
A.
正确
B.
错误
【单选题】下列说法中错误的是( )
A.
l决定原子轨道的形状
B.
l决定原子轨道在空间的伸展方向
C.
磁量子数m决定原子轨道在空间的伸展方向
D.
量子力学的一个原子轨道是指n、l、m三个量子数具有一定数值时的一个波函数
【单选题】________ was known to them that the boss had broken his promise ________ he would give them a rise.
A.
What; what
B.
It; which
C.
It; that
D.
As; that
【单选题】The boss promised to give reward to ________can work the problem out.
A.
anyone
B.
everyone
C.
whoever
D.
whomever
【判断题】决定波函数在空间伸展方向的量子数是角量子数l 。
A.
正确
B.
错误
【单选题】The boss is going to give his employees a raise to improve his image.
A.
The boss wants his employees to like him.
B.
The boss wants his employees to work harder.
【单选题】红外辐射强度的首次定量测量数据是在哪一年测量的:
A.
1820年
B.
1900年
C.
1920年
D.
1950年
【单选题】废水的特殊处理只要针对( )
A.
残留的悬浮物和胶体、 BOD 和 COD ,氨氮、硝酸盐。磷酸盐
B.
不能自然沉淀分离的微细悬浮颗粒、乳化物,难于为生物降解的有机物和有毒有害的无机物
C.
水呈胶体和溶解状态的有机污染物
D.
水中呈悬浮状态的固体污染物
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