The phrase "one another" in the passage refers toA．populationsB．racesC．ecological conditio

By quoting （引用) the remark of a being from another planet, the author intends t

By quoting （引用) the remark of a being from another planet, the author interA． suggest hu

The phrase "function in the disservice of one another" （Para. 1) most probably means______

Why does the author quote the example of naturalist John Muir？A．Because he was one of the

The phrase "ploughing through" （Para. 1)most probably means "A．quoting preciselyB．rewritin

By quoting Whitman in paragraph 2 the author int