单项选择题

Under the guidance of their teacher, the pupils are building a model boat ______ by steam:

A．towed
B．tossed
C．propelled
D．pressed
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单项选择题
It ______ to me that he was the first person to help us in those difficult times
A．rectifies
B．occurs
C．reminds
D．arises
单项选择题
The goal is to make higher education available to everyone who is willing and capable ______ his financial situation.
A．with respect to
B．in accord with
C．regardless of
D．in terms of
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