供电服务规范的适用范围有哪些？
参考答案：
适用于国家电网公司所属各电网经营企业和供电企业
—It's burning hot today, isn't it?
—Yes. _____ yesterday. [ ]
A. So was it
B. So it was
C. So it is
D. So is it
基础体温持续上升几天，提示早孕可能性大（）
A.16天
B.14天
C.10天
D.12天
E.18天
