单项选择题

His dislike of the course may prove to be a ______ barrier he cannot overcome.

A．biological
B．ideological
C．spiritual
D．psychological
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单项选择题
The two countries were fighting severely to ______ every inch of the land,
A．intervene
B．contest
C．imperil
D．inhabit
单项选择题
He quickly ______ behind the building to avoid being hurt by the stones thrown in his direction.
A．ducked
B．evaded
C．escaped
D．dodged
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