单项选择题

No ready technical data available, we managed to ______ them.

A．go down
B．go off
C．go up
D．go without
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单项选择题
What can we learn about the author’s family
A．They used to disregard education.
B．They are overeducated now.
C．Few members were allowed to go to school in the past.
D．There are now more educated members than in the past.
单项选择题
The father’s ad in the newspaper __________.
A．touched the hearts of many sons
B．was a means to persuade the son
C．made the son apologize to him
D．solved the problem with his son
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