智慧树知到《能源英语面面观》见面课答案
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智慧树知到《能源英语面面观》见面课答案
见面课：能源与社会： Energy
1、The Dujiangyan Irrigation System was launched and completed by Li Bing, a governor of Sichuan 2000 years ago.
A.对
B.错
been regarded as a symbol of the end of annual waterway repair, as well as the beginning of spring and the farming season.
A.对
B.错
答案
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