燃料在火电成本中约占40%。
参考答案：错
解析：燃料在火电成本中约占60?0%。
Doing your homework is a sure way to improve your test scores and this is especially true _____ it comes to classroom tests. [ ]
A. when
B. since
C. before
D. after
FIDIC施工合同条件中，某项工作由指定分包商负责实施是( )规定。
A．招标公告
B．投标文件
C．中标通知书
D．招标文件
