下列哪一类技术是我国禁止出口的技术()。
在按FOB吊钩下交货的术语成交时，其货物风险转移是()。
We take the liberty____writing to you with a hope to get your best offers for Chinese bicycles.
On receipt of your instruction, we shall carry out this order ______.
____your inquiry for a supply of TV sets, we are glad to offer as follows.
