油漆作业环境应清洁，并有防火、防冻、防雨的措施，不皮在低于（）℃潮湿的环境下作业。
A.-5
B.0
C.5
D.10
参考答案：C
China’s moon rover(月球车), Yutu’s in landing on the moon is a big event in space history.
A. luck B. success C. result
果蔬的加工保藏方法？
