单项选择题

What is the librarian’s first suggestion

A．To find articles on ecology.
B．To look into some of the specilialized indexes.
C．To look for articles published in 297 periodicals.
D．To look for articles published from November 10th,1990 to December 28th,2000.
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terminology
单项选择题
Which descrption is NOT correct about Benjamin Franklin
A．Scientist.
B．Philosopher.
C．Diplomat.
D．Actor.
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