单项选择题

Scientific research results can now be quickly _____ to factory production.

A．used
B．applied
C．tried
D．practiced
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单项选择题
The old couple will never _____ the loss of their son.
A．get over
B．get away
C．get off
D．get across
单项选择题
During the reading lesson, the teacher asked students to read a few _____ from the novel.
A．pieces
B．essays
C．fragments
D．extracts
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