单项选择题

The private detective, having received new information from a confidential source, narrowed down the ______ of his enquiry into the case.

A．aspect
B．sphere
C．dimension
D．scope
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单项选择题
It is the central government that has ______ the coastal economies preferential policies.
A．delivered
B．granted
C．submitted
D．given
单项选择题
Language, like food, is a basic human need without which a child at a critical period of life might be ______ and damaged.
A．starved
B．stunned
C．shocked
D．segregated
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