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【单选题】
下列作品、文体、作者及其国籍对应 不 正确的是A.
《金黄的稻束》 诗歌 中国
B.
《东方和西方的科学》 议论文 乔治·萨顿 英国
C.
《记念和珍君》 杂文 中国
D.
《小树林中的泉水》 随笔 康·帕乌斯托夫斯基 前苏联
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举一反三
【单选题】His political rivals_________ for an attack on his policies.
A.
are biding their time
B.
are birding their time
C.
is biding his time
D.
is birding his time
【单选题】关于简并轨道说法错误的是( )
A.
l =1, m=0,+1, -1, 有2种空间取向。
B.
P x ，P y ，P z 为 3条简并轨道，也就是说 p 轨道是3 重简并的。
C.
m的不同取值，意味着原子轨道的空间取向不同，但一般不影响能量。
D.
把同一亚层（即l相同），伸展方向不同的原子轨道称为等价轨道或简并轨道 。
【单选题】______ of recent political developments, he was taken by surprise upon his arrival in the capital.
A.
Unexpected
B.
Unacquainted
C.
Unaware
D.
Unknowing
【单选题】The political candidate promptly reorganized his staff ______ his landslide defeat in the primaries.
A.
follows
B.
followed
C.
following
D.
to follow
【单选题】The party leader justified his subsequent reelection ______ that he had brought political stability and economic development to his country.
A.
in the way
B.
by no means
C.
on the grounds
D.
to the extent
【多选题】下列关于量子数的说法中,错误的是
A.
电子自旋量子数是 ，在某个轨道中有两个电子，所以，总自旋量子数是1或者是0
B.
磁量子数m=0的轨道都是球形轨道
C.
当角量子数是5时，可能有的简并轨道数是10
D.
当主量子数n=5时，就开始出现g分层
【简答题】According to the author ,a politician's morality [A] is no match for his political ambition. [B] has been undervalued by Machiavelli and his likes. [C] is usually of secondary importance. [D] should b...
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