单项选择题

It is always useful to have savings to______.

A．come out in
B．live up to
C．make a fuss of
D．fall back on
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This is a ______table.
A．brown new Chinese wooden beautiful
B．beautiful new brown Chinese wooden
C．Chinese beautiful new brown wooden
D．wooden new beautiful Chinese brown
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In his ______to further his knowledge of the universe, man has now begun to explore space.
A．endeavor
B．expedition
C．trail
D．chase
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