盘饰原料的保管叙述正确的选项是( )。
A.存放地点要阴凉、湿润
B.存放的原料必须密封
C.存放地点要干燥、通风
D.存放盘饰原料的温度应控制在10~20℃之间
参考答案:C
I have called the station and they told me the next train for Da Lian _____ at 3:10.
A.will leave
B.left
C.has left
D.leaves
简述政府采购的含义。