Also , a number of studies have reported that school children fed iron - fortified formula had better iron status and performed better on standardized developmental tests than those children fed with unfortified formula . ordinary cow s milk should only be introduced after one year of age 此外，许多研究报道，食用铁强化配方的学生可具有更好的铁状态，并在标准化发育试验中比食用非强化配方奶的学生表现得更色。
2.
The battle of borodino was not fought on a carefully picked and fortified position , with forces only slightly weaker on the russian side . after the loss of the shevardino redoubt , the russians fought on an open , almost unfortified position , with forces half the strength of the french , that is , in conditions in which it was not merely senseless to fight for ten hours and gain a drawn battle , but incredibly difficult to keep the army for three hours together from absolute rout and flight 波罗底诺战役并不是在一个选定的，设了防的阵地上进行的，也不是俄军的兵力仅仅稍弱于敌军，实际上俄国人由于失掉舍瓦尔金诺多面堡，不得不在一个开阔的，几乎没有防御工事的地带，兵力比法军少一半的情况下迎接波罗底诺战役，也就是说，在这样的条件下，不仅战斗十小时和打一场不分输赢的战役不可思议，就是坚持三小时而不使军队完全崩溃和逃遁也是不可思议的。
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