例如:例1. Aluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined with other elements,most commonly with oxygen,for which it has a strong affinity. 相关知识点: 试题来源: ...
例1. Aluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined with other elements,most commonly with oxygen,for which it has a strong affinity. 分析:这个句子由一个主句,两个原因状语和一个定语从句,“铝直到19世纪才被人 ...
5. Aluminum remained unknown until the nineteenth century, because nowhere in nature is it found free, owing to it always being combined with elements, most commonly with oxygen, for which it has a strong affinity.相关知识点: 试题来源: ...
aAluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined with other elements,most commonly with oxygen,for which it has a strong affinity 铝保持未知直到19世纪,因为无处本质上它由于与其他元素总被结合的它任意发现了,通常与...
Aluminum remained unknown until the nineteenth century, because nowhere in nature is it found free, owing to its always being combined with other elements, most commonly with oxygen, for which it has a strong affinity.该句子由一个主句, 两个原因状语和一个定语从句组成。其中,主句的意思是___. ...
a9. Aluminum are remained unknown until the nineteenth century, because nowhere in nature is it found free, owing to its always being combined with other elements, most commonly with oxygen, for which it has strong affinity. 9. 铝保持未知直到19世纪,因为无处本质上它由于与其他元素总被结合的它...
Aluminum remained unknown until the nineth century, because nowhere in nature is it found free, owing to its always being combined with elements, most commonly with oxygen, for which it has a strong affinity. 因为铝对氧有很强的亲和力,它总是和其他元素结合在一起,最常见的是和氧结合在一起,在...
Aluminum remained unknown until the nineth century, because nowhere in nature is it found free, owing to its always being combined with other elements, most commonly with oxygen, for which it has a strong affinity. 该句子由一个主句 , 两个原因状语和一个定语从句组成。其中 , 主句的意思是 __...
In parallel, mice were treated with AluCi (1.5 mg of Al element kg À 1 per day) or phosphate buffer saline (PBS) once a day until the end of the experiment. (b) Body weight was scored at baseline, D7, D13, D15, and D19. * means Po0.05; ** means Po0.01 between DSS±...
In fact aluminum is famous for not occurring natively: Despite being the third most abundant element in the earth's crust, accounting for over 8% of the total weight of the crust, it was completely unknown as a metal until 1825 when small, precious samples were first isolated from ore. ...