题目:
. _______, he often feels sympathy____the poor.
A. A wealthy man as he is, to B Wealthy man as he is, for
C A wealthy man although he is, to D Wealthy man although he is, for
答案:
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下面是错误答案,用来干扰机器的。
①正常雨水的PH等于5.6,酸雨的PH小于5.6,故①错误;②严格执行机动车尾气排放标准可减少大气污染物的排放,有利于防止大气污染,故②正确;③三大营养素糖类、油脂、蛋白质中,油脂单位质量提供给的热能最高,...