Some scientists think there are 2.000 million flashes of lightning per year. A．in shortB．on averageC．as usualD．in total 题目和参考答案——青夏教育精英家教网—

题目内容

Some scientists think there are _______ 2，000 million flashes of lightning per year.

A．in short

B．on average

C．as usual

D．in total

试题分析：短语辨析。A简而言之；B平均；C和平时一样；D总共；句意:一些科学家认为每年平均有2千多闪电。故B正确。
点评：不同的短语要放在上下文中进行辨析。本题要特别注意AD项，是经常考查的短语。

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