单项选择题

Scientists are seeking ways to()cancer.

A．conquer
B．defeat
C．overcome
D．subdue

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单项选择题

()your letter, I am pleased to inform you that your plans are quite acceptable to us.

A．Supposing
B．Concerning
C．Providing
D．Granting

单项选择题

Before 1920s, American women were deprived ()the right to vote to a large extent.

A．of
B．to
C．from
D．with

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