单项选择题

A．The location of certain ocean rocks.
B．The effect of water pollution on barnacles.
C．The medical value of some synthetic products.
D．The composition of the barnacle’s glue.
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单项选择题
A．He doesn’t have time to read.B．He has no reading preference.C．He doesn’t read the same kind of books as the woman.D．He prefers writing to reading.
A．He doesn’t have time to read.
B．He has no reading preference.
C．He doesn’t read the same kind of books as the woman.
D．He prefers writing to reading.
单项选择题
A．Outside an art gallery.B．In an exhibition.C．Outside a bookstore.D．In front of a library.
A．Outside an art gallery.
B．In an exhibition.
C．Outside a bookstore.
D．In front of a library.
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