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举一反三
【单选题】Mother Nature Shows Her Strength Tornadoes (龙卷风)．and heavy thunderstorms moved across the Great Lakes and into Trumbull County on Saturday evening．The storms were dramatic and dangerous.George Snyder ...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】雷暴是由强烈的积雨云产生的,形成强烈的积雨云需要三个条件( )
A.
强大的风力、充沛的水汽、足够的冲击力。
B.
深厚而明显的不稳定气流、剧烈的温差、足够的冲击力。
C.
深厚而明显的不稳定气流、充沛的水汽、足够的冲击力。