单项选择题

What can we learn about the card catalogue

A．It helps librarians collect the books.
B．It helps readers file the books.
C．It is arranged in chronological order.
D．h contains three categories.
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单项选择题
Why does the woman mention Romanticism
A．She once wrote about it.
B．She thinks the man should write about it.
C．She has been studying it recently.
D．She particularly likes Romantic poetry.
单项选择题
Why does the mall say there is no danger of infection by the bacteria brought to surface
A．They would be killed by the human immune system.
B．They would die once brought to the surface.
C．Many precautions and remedies are available.
D．Drilling operations are always closely monitored.
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