【单选题】【消耗次数：1】
色谱法最大的特点是
①
定性分析
②
定量分析
③
分离混合物
④
分离分析混合物
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①
will reduce
②
will have reduced
③
reduces
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has reduced
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①
play
②
to play
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playing
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played
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As he was poor
②
Being poor
③
Poor as he was
④
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interfered
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offended
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impressed
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bothered
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dropping
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. dropped
③
drop
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drops
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①
to take
②
take
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Seeing
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Confronted with
③
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①
To express his anguish of movig from his old home
②
To describe the laughter and tears of the four generations of his family
③
to explain the real meaning of his grandpas wordsneversay googbye‘
④
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①
safe
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lock in
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lock away
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lock with
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①
gave up
②
gave in
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stopped
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