单项选择题

Where does this article probably occur

A．A magazine.
B．A physics textbook.
C．A physics report.
D．A government document.
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When was the firm foundation of quantum theory laid
A．In 1913.
B．In 1924.
C．In 1925.
D．In 1927.
单项选择题
______ money, she is quite rich. However, this does not mean that she is happy.
A．Concerning
B．As to
C．In terms of
D．In the light of
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