单项选择题

From the first, paragraph we can learn that the campus life has become ______.

A．more convenient
B．rather ugly
C．somewhat harmful
D．no more aesthetic than before
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单项选择题
The researcher mentioned in the third paragraph was fired because ______.
A．she worked for the rival of the company
B．she failed to keep her research results secret
C．she was 0bilged to keep her discoveries secret
D．she was committed to a contract with a company
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