下面哪些属于主要新能源（）
A、核能、太阳能、地热
B、油砂矿，油页岩、合成石油
C、天然气、煤层气、沼气
参考答案：A
Published in 1974，the book was a(n) ________ success and was soon translated into thirteen foreign languages.
A．constant
B．instant
C．unique
D．accurate
具备开展保税加工联网管理的加工贸易企业，可以向所在地主管海关申请加工贸易联网监管。( )
