赞题库-背景图
单项选择题

A．alleviates
B．worsens
C．reduces
D．enhances
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热门试题

单项选择题A．beginningB．startC．sourceD．origin

A．beginning
B．start
C．source
D．origin

单项选择题Belfast has long been famous for its

A．oil refinery.
B．linen textiles.
C．food products.
D．deepwater port.