题目

下列实验说法正确的是（）①探究燃烧的条件②探究铁生锈的条件 A . ①不属于对照实验 B . ①中红磷没有燃烧是因为红磷不是可燃物 C . ②中植物油的作用主要是防止水被蒸发 D . 实验①和②探究的条件中都要有氧气 答案：D课文填空（共10空；每空1分，满分10分） 71．Xiaowen was born without the _______ to use her legs and has no _______ below the waist. 72. Today there are many o _________ for disabled people to develop their _________ , live a rich life and make a __________ to society. 73. __________ is not about getting high test scores, having a high IQ or being smart. _________, it seems that creative thinking, ___________ is one of the most ________ skills in society, is a _________ of habits.