单项选择题

It has been _________ years since Galileo made the first telescope.

A．more than 390
B．over 350
C．about 1609
D．more than 30
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单项选择题
The largest telescope in the world _________.
A．has recently been built in America
B．is 200 inches long
C．has shown millions of new stars to us
D．is the most powerful one at Mount Palomar in the U.S.
单项选择题
The writer talks mostly about pictures taken _________.
A．outdoors
B．indoors
C．in color
D．for newspapers
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