单项选择题

The original experiment cannot be exactly duplicated.（）

A．invented
B．reproduced
C．designed
D．reported

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单项选择题
The department deferred the decision for six months.（）

A．put off
B．arrived at
C．abided by
D．protested against
单项选择题
She felt that she had done her good deed for the day.（）

A．act
B．homework
C．justice
D．model
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