【判断题】Composite materials have been in existence for many centuries. The earliest man-made composite materials were straw and mud combined to form bricks for building construction.
【单选题】关于图灵机的贡献,以下说法错误的是【 】。
【判断题】健康状况公平指不同社会人群(如不同收入、不同种族、不同性别等)的健康水平相等或相似,健康状况分布均衡 。
【单选题】With a view to improving hybrid performance, you can use composite materials to reduce weight.
【判断题】健康公平是指一个社会的所有成员均有机会获得尽可能高的健康水平,即不同收入、种族、年龄、性别的人群应当具有同样或类似的健康水平。