取含铁、氧两种元素的固体样品11.6g,通入足量CO并充分加热,将产生的气体通入足量澄清石灰水,充分反应后,得沉淀20.0g.该固体的组成不可能是( )
A:Fe2O3
B:Fe3O4
C:Fe和Fe2O3
D:FeO和Fe2O3
下列关于人体在寒冷环境中体温调节的叙述,错误的是( )
47×(200+3)=____
Progress suggests a person's ability to change the way he is living at the moment and it must ______ a better life and a better way of doing things.
根据拼音写出相应的词语。