单项选择题

What does the woman suggest the mail do to make his work easier

A．Spend more time in the library.
B．Write just one paper for all his classes.
C．Drop one of his courses.
D．Write his papers on closely related topics.
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The surge in university applications are resulted from______.
单项选择题
What helps to confirm the existence of bacteria below the Earth’s surface
A．Modern experiments.
B．Advanced technology.
C．Precise statistics.
D．Keen observation.
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