单项选择题

The Mercandiser widget is (so) named because it (is believed) (to be discovered) by Albert Mercandiser, a Dutchman (by) birth.

A．so
B．is believed
C．to be discovered
D．by
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单项选择题
(For) the grounds that fiction is not (objectively) true, there (are) those who (object) to it.
A．For
B．objectively
C．are
D．object
单项选择题
As she (grew) older her vision (began) sporadically to fade, so that intermittent times she (seldom) knew what she (was looking) at.
A．grew
B．began
C．seldom
D．was looking
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