問題詳情
____ 8. When one space object crosses in front of another, the first object can sometimes block the view of thesecond. This process is called a(n) _____.
(A)umbra
(C)gibbous(
(B)penumbra
(D)eclipse
參考答案
答案：D
難度：適中0.571429
統計：A(1),B(0),C(1),D(8),E(0)
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