The author writes the passage to_______
A． show us the function of major sports
B． encourage us to go in for green sports
C． discuss the major influence of popular sports
D． introduce different types of environment-friendly sports
正确答案：
B
本文来自网络，不代表煤炭资讯立场。转载请注明出处： http://www.mtxh.cn/bk/wd-bk/421316.html
