It has been ______ years since Galileo made the first telescope. [br] The larges

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问题 It has been ______ years since Galileo made the first telescope. [br] The largest telescope in the world ______.

选项 A、has recently been built in America
B、is 200 in ches long
C、has shown millions of new stars to us
D、is the most powerful one at Mount Palomar in the U.S.

答案 C

解析
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