单项选择题

A．To demonstrate the importance of public health laws.
B．To point out that without luck businesses will not succeed.
C．To explain how traveling led to new inventions.
D．To illustrate the importance of having the right product at the right time.
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单项选择题
A．She did better on the quiz than the man did.B．She did not have to take the quiz.C．She has not yet received her grade on the quiz.D．She did not do well on the quiz.
A．She did better on the quiz than the man did.
B．She did not have to take the quiz.
C．She has not yet received her grade on the quiz.
D．She did not do well on the quiz.
单项选择题
A．He will return his literature books to the bookstore.B．He will keep the books for later use.C．He’s glad to sell his literature books to the woman.D．He’d like to visit the reference section of the library.
A．He will return his literature books to the bookstore.
B．He will keep the books for later use.
C．He’s glad to sell his literature books to the woman.
D．He’d like to visit the reference section of the library.
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