以...为食
A. eat
B. feed on
C. drink
D. crew
Living in the urban setting, it's very easy to lose any sense of connection with nature.
A. 对
B. 错
Children think that nature is dangerous and dirty because they learn this attitude from their parents.
A. 对
B. 错
Not all of our species' existence on the Earth were deeply embedded in and dependent on nature.
A. 对
B. 错