問題詳情
73. What can be inferred about the solar activity described in the passage?
(A)The most fatal matter from the corona falls onto Earth.
(B) The solar storm peak occurs in the middle of each cycle.
(C) It takes several seconds for the charged matter to reach Earth.
(D)The number of sunspots declines after coronal mass ejections.
(A)The most fatal matter from the corona falls onto Earth.
(B) The solar storm peak occurs in the middle of each cycle.
(C) It takes several seconds for the charged matter to reach Earth.
(D)The number of sunspots declines after coronal mass ejections.
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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