1．A meeting was held yesterday to ________ whether the new highway should be built or not.
A．argue B．debate
C．quarrel D．talk about
答案与解析：B debate常指在正式场合对公共的问题慎重地、有条理地进行辩论，通常按规则进行，并有评判人进行裁决，有时也用在非正式场合；argue是常用词，一般指以摆事实、讲道理的方式或以激烈争论的方式发表意见，侧重就自己的看法和立场，举出理由和事实与别人进行争论；quarrel多指因琐事而争吵，常带有气愤情绪；talk about是“谈论”的意思。由题意知应选B。
2．—I was wondering how to understand the grammar of these sentences.
—You'd better break them ________ into parts.
A．down B．up
C．off D．out
答案与解析：A break down意为“毁掉，分解”；break up意为“打破，打碎”；break off意为“中断，停止”；break out意为“爆发”。根据题意，可知应该是把句子分解成几部分。
