单项选择题

A．Because it takes too long to process all the applications.
B．Because its resources are limited.
C．Because it is a library for special purpose.
D．Because there is a shortage of staff.
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填空题
It is an ______ which may be brown, green or black in color.
单项选择题
From the information he gives about himself, it seems that the writer ______.
A．suffers from a physical deformity
B．has had all his teeth removed
C．has some trouble with his eyesight
D．never gets up in the morning
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