问题
单项选择题
当空气调节区允许采用较大送风温差或室内散湿量较大时，应采用怎样的空气调节系统（）
A、一次回风的全空气定风量空气调节系统
B、二次回风的全空气定风量空气调节系统
C、一次回风的全空气变风量空气调节系统
D、二次回风的全空气变风量空气调节系统
答案
参考答案：A
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当空气调节区允许采用较大送风温差或室内散湿量较大时，应采用怎样的空气调节系统（）
A、一次回风的全空气定风量空气调节系统
B、二次回风的全空气定风量空气调节系统
C、一次回风的全空气变风量空气调节系统
D、二次回风的全空气变风量空气调节系统
参考答案：A
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| Bill Clinton took office (就职) 1 January20, 1993 and became the 42nd US president (总统). He was the first US president 2 was born after World War n. He was 3 0ne of the youngest of all US presidents, Clinton was born 4 a poor family. Three months before he was born, his father, William Blats, 5 When he was small, his mother remarried (再婚) Norger Clinton, 6 the boy's family name was changed. In the summer of 1963, Clinton was asked to visit the 7 of Washington. 8 his visit, he 9 President Kennedy in the White House. At that time, he wanted to become a president. And some years 10 his dream came true! |