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    精英家教网 > 高中英语 > 题目详情
    Despite their______ of interest，Fleming kept trying to develop the chemical ______ it would be safe and effective.
    A．lacking；in order toB．lack；so thatC．lack；so as toD．lacking；so that
    B
    【点值】1
    由第一个空格前的their可知，要填名词，所以用lack；第二个空要填连词，才能引导句子。故只有B项符合题意。
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