冬季由室外向室内输送空气时除应加热提高温度外,还应做何种处理?
参考答案:
加湿,温度高时空气变干
It is easy to my car from others in the parking place;it has an advertisement about Panasonic TV on the back of it.
A.make up
B.find out
C.pick up
D.pick out
一个栈的输入序列为1,2,3,…,n,若输出序列的第一个元素是n,则输出第i(1≤i≤n)个元素是( )。
A.不确定B.n-i+1C.iD.n-i