下列属自然资源的是（ ）
A．石油
B．水稻
C．水泥
D．钢铁
水泥、水稻、钢铁都是人类加工制造的产物，只有石油是自然资源．
故选：A．
Man: I was expecting another hot, muggy day. Woman: But the wind has cooled things off, hasn't it Question: What does the woman mean
A．It's uncomfortable because of the wind.
B．It isn't as hot as the man thought.
C．The man expected it to be windy.
D．The wind hasn't made it any cooler.
按照《煤矿安全规程》的相关规定，Ⅰ期尘肺病患者每年复查（）次
A.1
B.2
C.3
