问题
单项选择题
《公共建筑节能设计标准》要求在保证相同的室内环境参数条件下，与未采取节能措施前相比，全年采暖、通风、空气调节和照明的总能耗应减少（）。
A．30％
B．50％
C．60％
D．65％
答案
参考答案：B
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《公共建筑节能设计标准》要求在保证相同的室内环境参数条件下，与未采取节能措施前相比，全年采暖、通风、空气调节和照明的总能耗应减少（）。
A．30％
B．50％
C．60％
D．65％
参考答案：B
| 读对话，填表格。 | |||||||||
| Mary: Hello, John! What do you do on Saturdays? John: I play football and do my homework. Mary: Oh, well, what do you do on Sundays? John: I often play computer games and watch TV. What about you? Mary: Ah, I often play the piano and do my homework on Saturdays. And often watch TV and sleep on Sundays.
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