单项选择题

We are calling for an environmentally-friendly system where the waste and rubbish can be ______ of using the principles of ecology.

A．informed
B．disposed
C．suspected
D．approved
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单项选择题
However busy she was, the considerate mother would ______ her children to the Children s Palace to relax them.
A．attend
B．favor
C．accompany
D．witness
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