粮油市场价格监测的价格类型有哪些？
参考答案：收购价、出库价、批发价、出厂价、零售价、到站价和到港价等7种价格类型。
Nowadays more and more people are advised to arrange for insurance_____that they or their family members need medical treatment.
A．in order
B．in need
C．in case
D．in hope
建筑砂筑是由（）材料、（）和（）组成的。
