单项选择题

The idea of a balanced diet is hard to ______ to those who know nothing about nutriology.

A．put across
B．put through
C．put down
D．put forward
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单项选择题
Many movies receive ______ reviews from film experts and yet become extremely successful.
A．disparaging
B．authoritative
C．detailed
D．positive
单项选择题
On its last flight to the moon in 1972, the Apollo spacecraft ______ with a record lunar stay of seventy-five hours, which aroused worldwide excitement.
A．wound up
B．cut up
C．turned up
D．pulled up
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