单项选择题

Animals are one of the most important resources for human beings, however , by 2030 ,many species will have ______ according to recent research .

A．used up
B．died out
C．gone up
D．got rid of
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单项选择题
We are in the full ______ that the current situation will improve sooner or later.
A．understanding
B．appreciation
C．consciousness
D．conviction
单项选择题
If the government refused to appropriate funds, the slum-clearance programme might be ______.
A．rejected
B．contended
C．abused
D．terminated
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