The word poised in this sentence is closest in meaning to__
     A) interacting
    B) sitting
    C) blowing
    D) poisoning
     首先從搭配關(guān)系上可以排除 interacting ,interact with 然后可以從上下文關(guān)系排除 blowing over 因?yàn)榇底吡司褪遣粫?huì)有smog.而poison考試中及物才有pollute的含義，不及物只有一種含義表示投毒。
     5）形容詞修飾名詞關(guān)系判定—不是每個(gè)形容詞都可以修飾所有的名詞。例如打飯的隊(duì)伍不說(shuō)很粗而要說(shuō)很長(zhǎng)，盡管事實(shí)上很多人不排隊(duì)造成了很粗的感覺(jué)。
     For example:when the gas reaches the air, it comes into contact with available oxygen from atmosphere and combines with the oxygen to produce nitrogen dioxide (No2),which is a gas with a brownish hue.
     The word hue in this sentence is closest in meaning to
     A）color
    B）odor
    C）thickness
    D）smoke
     對(duì)于本題你會(huì)發(fā)現(xiàn)有個(gè)小詞brownish 呈褐色的，首先從形容詞修飾名詞關(guān)系可以直接排除B odor C thickness， 其次可以通過(guò) a gas with brownish hue前面的 gas 排除 D smoke，用詞重復(fù)。所以正確答案是A。