单项选择题


Questions 23 to 25 are based on the conversation you have just heard.

A．Her professor,
B．Her former boss.
C．A classmate.
D．A foreign diplomat.
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单项选择题
From the first paragraph, we know ______.
A．InfraGard is a protective measure against cyber crime
B．InfraGard is a measure of cooperation and collaboration
C．there will be 50 InfraGard chapters in all states
D．private business and the government are now committing cyber crime
单项选择题
A．rareB．generalC．commonD．abnormal
A．rare
B．general
C．common
D．abnormal
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