Answers to the Questions of the 6th Social Science Popularization Week Low-carbon Knowledge Competition in Hebei Province

1 a2 a3 B4 b 5 a6 a7 A8 a9 a 10a 1b 12b 13a 14a 16a 16a 17a 18a / kloc-0/9a 20 a 2 19a 22 a 23 b 24 a 25 a 26 a 27 b 2 88