单项选择题

The crystals ______ in water to create a purple liquid.

A．dispose
B．discharge
C．dispatch
D．dissolve
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单项选择题
Everyone looked ______ when I said I used to drive a taxi.
A．implicit
B．explicit
C．incredulous
D．analytic
单项选择题
One question has particularly ______ those specialists on this study.
A．intrigued
B．invaded
C．intervened
D．inverted
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