单项选择题

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

A．For customs’ check.
B．For security check.
C．For convenience’s sake.
D．For the company’s sake.
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单项选择题
A．It centers on convincing the reader that cheating is immoral.B．It centers on discussing the reasons for cheating.C．It centers on describing how students cheat on exam.D．It centers on discussing how to control cheating.
A．It centers on convincing the reader that cheating is immoral.
B．It centers on discussing the reasons for cheating.
C．It centers on describing how students cheat on exam.
D．It centers on discussing how to control cheating.
单项选择题
A．He didn’t know that she was enrolled in a linear algebra course.B．He thought she preferred to study alone.C．He thought she had made arrangements to study with.D．He had told her that he had done poorly on a recent test.
A．He didn’t know that she was enrolled in a linear algebra course.
B．He thought she preferred to study alone.
C．He thought she had made arrangements to study with.
D．He had told her that he had done poorly on a recent test.
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