新概念英语第三册 Lesson 18(课文4)

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6, These lights flickered continuously like traffic lights which have gone mad.
continuously adv. 不停止的
go mad 发疯 = run mad\ go uncontrolled
e.g. He must have gone mad to do such a thing.
7, Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
on and off: 时而，不连续地
continuously: without stopping, 不停地
angrily 作者用了一种拟人的手法
8, It was rather like an exhibition of prehistoric electronic equipment.
It was rather like…=It was more like… 看起来更像