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An occulting light is one in which ______.A.the period of darkness exceeds the period of l

An occulting light is one in which ______.

A.the period of darkness exceeds the period of light

B.there is only a partial eclipse of the light

C.the periods of light and darkness are equal

D.the period of light exceeds the period of darkness

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第1题

Areas enclosed by a long and short dashed magenta line indicate ______.

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第2题

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第3题

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第4题

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A.concealed

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