(6分)2009年4月下旬以来,世界上一部分国家陆续出现甲型H1N1流感病例。达菲是目前抗该流感病毒的有效药物之一,它是以我区的特产中药材八角的提取物——莽草酸(化学式为C 7 H 10 O 5 )为原料经过化学反应合成的。请你回答下列问题: (1)莽草酸属于__________(填“有机物”或“无机物”),每个莽草酸分子中有__________个原子。 (2)由上述材料得知,化学科学在促进人体健康方面所起的作用是__________________。
【单选题】The word health can be used in a number of ways. In the past, health meant only the absence of disease or illness, Today, though, health has a broader meaning. Health is the state of your wellbeing th...
A.
can be used interchangeably on all Occasions
B.
are different in that the latter has a broader sense