物资采购合同分为( )和设备采购合同，其合同当事人为供方和需方。

A．建筑材料采购合同

B．原料采购合同

C．工地所需材料采购合同

D．以上都正确

那里共有1500多处旅游娱乐景观资源，适合发展海洋旅游业。( )

A. There is more than 1500 tourist, scenic and recreational spots favorable for developing marine tourism.
B. There are more than 1500 tourist, scenic and recreational spots favorable for develop marine tourism.
C. There are more than 1500 tourist, scenic and recreational spot favorable for developing marine tourism.
D. There are more than 1500 tourist, scenic and recreational spots favorable for developing marine tourism.