给划线的字选择正确的解释,把序号写在后面的括号里。
疾:A病,身体不舒适。B恨。C快,迅速。D疼痛。
①一阵疾风吹来,树木野草发出“沙沙”的声音。____
②周总理非常关心群众的疾苦。____
③妈妈常年废寝忘食地工作,终于积劳成疾。____
④他大公无私,疾恶如仇。____
函数gx=x3+mx2+nx+m2在x=1处有极值10,则m,n的值是( )
There will not be enough space to the earth in the future.
If you could give your younger self one piece of advice, what would you say?
要求:(1)作出回答并说出理由;(2)词数不少于60。