因保家卫国导致四肢伤残的朱彦夫,带领家乡人民创业致富;离职后用嘴衔笔创作长篇自传体小说《极限人生》、《男儿无悔》,被称为“中国的保尔”,“时代楷模”。他用一生诠释了( )
A:生命的意义在于对社会的贡献
B:顽强拼搏是实现生命价值的唯一途径
C:人生的价值在于战胜挫折
D:人不需追求生命的长度,应注重生命的质量
Dad:It's time for lunch. Are you hungry,Tom?
Tom:Yes! I'm very hungry.
Mum:Would you like some vegetables?
Tom:No,thanks.
Dad:Would you like some dumplings?
Tom:Yes, please. My favourite food is dumplings. Dumplings are delicious(美味的).
Mum:Would you like some soup,Tom?
Tom:No,thanks. I'm very full(饱的).
---Must I practice the violin now ,mom?
---No, you .You can go out for a walk.
地壳中含量最多的非金属元素是( )