Many social scientists lament the trend A( toward) shorter attention spans in B(our society) that C(

toward 是副词 不是动词.那本句的谓语是什么啊???lament ~但我查了字典,toward是形容词和介词啊,难道是toward作形容词修饰the trend吗Sorry ,, 我上面打错了- -这里toward 是prep 介词。不好意思。。这里不应该是做adj.吗不是adjMany social scientists lament the trend< toward shorter attention (that) spans inour society> that have led to what they call a sound-bite culture. 再看一下结构,非常复杂从句里套从句。 toward 介词引导的整个括号里又有一个省略that 的从句修饰attention,<>里的修饰trend, 最后一部分的that 是修饰trend的宾语从句

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