以下哪些不属于能源绩效监视、测量与分析的内容()。
A.能源绩效参数;
B.实际能源消耗与预期的对比评价;
C.与能源使用相关的变量;
D.主要能源使用和能源评审的输出。
参考答案:C
你知道足球最早起源于哪个国家吗?
用所给词的适当形式完成句子。
1.—Where are the notebooks?
— ______ (It) are on the desk.
2. Please take these ______ (book) to your sister.
3. I have some ______ (friend) at school.
4. The ______ (key) are in the drawer.
5. The ______ (hat) is on the dresser.