单项选择题

After they tested the chemical and biological ______ of the samples we had sent them, they wrote up the report.

A．assets
B．characters
C．abnormities
D．properties
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单项选择题
The likely reactions of the market would need to be ______ before we decide to take action.
A．held on to
B．backed up
C．reflected on
D．cleared away
单项选择题
The football match was______ because of the snow.
A．called off
B．put away
C．set aside
D．counted on
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