( )have been trying every way to keep the balance of nature.Man/Mankind/Human/Human beings选择哪一个?希望能够具体给出这几个词的辨析

问题描述:

( )have been trying every way to keep the balance of nature.Man/Mankind/Human/Human beings
选择哪一个?希望能够具体给出这几个词的辨析

Human beings(人类)have been trying every way to keep the balance of nature.人类已经尝试了各种各样的办法来维持自然的和谐(平衡).Man 男人Mankind 我好像没见过这个单词Human 表示人,人的Human beings 表示...