单项选择题

We have a responsibility to ensure our nation's continued prosperity and the most sensible way to do this is by investment in basic scientific research.

A．effective
B．efficient
C．significant
D．reasonable
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单项选择题
Television advertisements do more than merely reflect dominant ideologies.
A．exactly
B．faithfully
C．repeatedly
D．simply
单项选择题
Hague was elected as the Conservative Party leader partly because of his ambiguous views on Britain's position in relation to its partners in the European Union.
A．ambitious
B．obscure
C．appalling
D．indifferent
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