图中沿A到B到C方向,物质组成可能是( )                A.黏

图中沿A到B到C方向,物质组成可能是(  )

              

A.黏土、粉砂、砾石  B.粉砂、黏土、砾石

C.砾石、粉砂、黏土  D.砾石、黏土、粉砂

 

答案

C

相关题目

如图所示,在直三棱柱ABC﹣A1B1C1中,AB=BC=BB1,D为AC的中点.
如图所示,在直三棱柱ABC﹣A1B1C1中,AB=BC=BB1,D为AC的中点. (Ⅰ)求证:B1C∥平面A1BD; (Ⅱ)若AC1⊥平面A1BD,求证B1C1⊥平面ABB1A1; (Ⅲ)在(II)的
某同学在探究摩擦力的实验中采用了如图所示的操作,将一
某同学在探究摩擦力的实验中采用了如图所示的操作,将一个长方体木块放在水平桌面上,然后用一个弹簧秤对木块施加一个水平拉力F,下表是他记录
.— Has Tom finished his report so far?        — I have no idea.He
.— Has Tom finished his report so far?        — I have no idea.He ______it this morning.        A.did                    B.has done        C.was doi
 They _______ finding a solution to prevent the river being polluted. A. set u
 They _______ finding a solution to prevent the river being polluted. A. set up        B. set about C. set out        D. set off
---Thanks for your help, but can you do me one more favor, please?   ---  __
---Thanks for your help, but can you do me one more favor, please?   ---  _______, sir.What's it then? A.Just a minute   B.It's very nice of you  C.That's all right      D.At your
某研究性学习小组用0.20mol·L-1的标准NaOH溶液滴定未知浓度的
某研究性学习小组用0.20mol·L-1的标准NaOH溶液滴定未知浓度的盐酸,其实验探究操作为如下几步: ① 用蒸馏水洗涤碱式滴定管,并立即注入NaOH溶液至“0
(红色足迹调研)在社会调研活动中,同学们搜集到下面两
(红色足迹调研)在社会调研活动中,同学们搜集到下面两张图表。分析图表后,你认为今年五一红色旅游呈现出 ________________ 、 ________________ 的特点
漫画《求援》揭示了( )问题。A.水资源污染严重      
漫画《求援》揭示了( )问题。A.水资源污染严重                         B.银河水纯净C.科研项目的研究                   

最新题目