单项选择题

Questions 22 to 25 are based on the conversation you have just heard.

A．Someone spilled water on it.
B．Someone lost it carelessly.
C．It was no longer accurate.
D．The measuring standard had changed.
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单项选择题
A．She is looking for a job on campus.B．She can get the materials they gave out at the meeting.C．She went to the meeting with her roommate.D．She is too busy to help the man.
A．She is looking for a job on campus.
B．She can get the materials they gave out at the meeting.
C．She went to the meeting with her roommate.
D．She is too busy to help the man.
单项选择题
What could be a trouble colleges are facing to give a double degree
A．Enrollment rate.
B．Quality supervision.
C．Inappropriate evaluation.
D．Unnecessary procedures.
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