材料一:在我们生活的环境中,到处都有病菌、病毒,我们之所以都能够健康的生活,与人体自身的免疫有关。据科2016年1月11日援引报道,我国自主研发的全球首创手足口病EV71疫苗获新药证书。该疫苗对EV71肠道病毒引起的重症手足口病的保护率达到100%,临床结果表明该疫苗安全、有效、生产工艺成熟、产品质量稳定,处于国际领先水平。
材料二:在日常生活中掌握一些必要的急救常识(如图一、图二所示),对于保障身体健康、挽救生命具有重要意义。
Hello, boys and girls. Welcome to this place. This is a f____ station. It's big. We can see some fire engines. They are r____. How many fire engines? Let me count. One, two, three…Ten are new, a ____two are old. The man is a f____. He's Jill's father. He's Mr Black. He's a t ____man. He likes helping people. He likes his job.
下列对人体消化系统的消化和吸收认识合理的是( )
如图为“地球大气的垂直分层图”,判断下题.