Which of the following statements is true?A.The W
已帮助 人
Which of the following statements is true?
A.The White Nile is the trunk of the River Nile.
B.The White Nile is the trunk of the Blue Nile.
C.The White Nile is a branch of the Blue Nile.
D.The White Nile and the Blue Nile are branches of the River Nile.
-
答案：D
第四段表明，青尼罗河的泥浆与白尼罗河的泥浆中的同位素不同，通过分析尼罗河三角洲的泥浆中的同位素的差别，利兹大学的迈克尔.克罗姆算出了来自各个支流的沉淀物的比例。由此可知，青尼罗河和白尼罗河是尼罗河的支流，故选D项。