問題詳情

    Auroras are visible on clear nights in northern Canada, Scandinavia, and New Zealand. The best time to see the auroras is from fall to early spring, when the hours of darkness are longest. Interestingly, the sun is the source of these beautiful nighttime displays. It emits the solar wind, which is a stream of highly charged particles called ions traveling at high speed. When the solar wind nears the earth, its ions are attracted by the magnetic force of the poles. The particles then collide with gases in the atmosphere, lighting up the sky.
58. According to this passage, people in which of the following countries cannot see the auroras?
(A) Canada.
(B) New Zealand.
(C) Finland.
(D) China.

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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