单项选择题

This was a five-digit national coding system to ____________ each postal delivery section.

A．testify
B．count
C．clarify
D．identify
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单项选择题
The development of these gene technologies may be far in the future, but the moral and social issues raised by them should be discussed ______, for once a technology has been invented, it may be difficult to stop or control.
A．presently
B．summarily
C．seriously
D．hesitantly
单项选择题
The local government has __________ the landowners to fish these waters.
A．transformed
B．transferred
C．licensed
D．allocated
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