单项选择题

______ the center of our planetary system was considered as heresy by the church in the Middle Ages.

A．It is the sun and not the earth
B．That the sun and not the earth
C．Being the sun and not the earth
D．The sun and not the earth
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单项选择题
We all left the meeting convinced that the project was ______.
A．fertile
B．inevitable
C．inherent
D．feasible
单项选择题
Despite the wide range of reading material specially written or ______ for language learning purposes, there is yet no comprehensive systematic program for the reading skills.
A．appointed
B．assembled
C．acknowledged
D．adapted
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