单项选择题

All products have to pass strict inspection ( )they go out.

A．after
B．since
C．as
D．before
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单项选择题
汉译英：“收货人；发货人；出口商”，正确的翻译为：( )
A．consignor；consignee；exporter
B．consignee；consignor；exporter
C．consignee；consignor；importer
D．consignor；consignee；importer
单项选择题
We hope that the next negotiation ( ) the last one before signing the contract.
A．is
B．will be
C．was
D．being
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