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
They had their electricity ______ because they didn't pay the bill.
A．cut in
B．cut off
C．cut down
D．cut out
单项选择题
Since she knew nothing about a foreign language, she was ______ by the menu at the restaurant and did not know how to' order.
A．bewildered
B．shaken
C．annoyed
D．stunned
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