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【单选题】
19世纪晚期和20世纪早期，物理学发生的革命性变化，不包括（ ）A.
伦琴发现放射现象
B.
发现放射性元素镭
C.
电磁感应现象发现
D.
提出相对论
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举一反三
【单选题】Banks are important to the study of money and the economy because they______.
A.
provide a channel for linking those who want to save with those who want to invest
B.
have been a source of rapid financial innovation that is expanding the alternatives available to those wanting to invest their money
C.
are the only important financial institutions in economy
D.
all of the above
E.
only A and B of the above
【单选题】A college-level course of study is intended to provide students with general academic knowledge __________ occupational training. [ ]
A.
less than
B.
more than
C.
other than
D.
rather than
【简答题】改革开放是兴国之要，发展仍是解决我国所有问题的关键。 判断对错
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