同一种材料因来源地、生产厂家、交货地点或供应单位不同而有几种原价时，要采用_________方法计算其平均原价。

材料运杂费=运输费+装卸费+_________

材料运杂费的计算，应根据材料的来源地、运输里程、运输方式，并按国家或地方规定的运价标准采用________的方法计算。

材料采购及保管费是指材料供应管理部门（包括建设单位和施工单位）在组织采购、供应和保管材料过程中所发生的各项费用。目前，国家经委规定的综合采购保管费率为______。

材料原价是指材料采购提货地点的________。

The traffic jams often happen in_____hours.

A. work
B. Leisure
C. rush
D. lunch

Lily is at home; she has just _____back from Hainan.

A. come
B. came
C. coming
D. comes

Did Bob go____last weekend?

A. Somewhere
B. where
C. anywhere
D. wherever

—Your dress is just wonderful!—_____

A. You are right,thank you!
B. Thank you, and you?
C. No, no, yours is better.
D. Thank you. I'm glad to hear that.

—Don't worry. You can learn English as well as you wish.—_____

A. It's nothing serious
B. Thank you, I'll do my best
C. Never mind
D. I think so