Official 5 Lec 2
Question 6 of 6
What does the professor imply when he says this:

A.

The current age estimates for the South Pole-Aitken Basin are based on incorrect assumptions

B.

The technology to analyze Moon rocks has not advanced much since the days of the Moon landings

C.

Too few of the original Moon-rock samples were dated accurately

D.

Only by testing samples from South Pole-Aitken Basin can its age be precisely determined

正确答案:D

显示答案
进入答题
00:00
00:00
隐藏原文

译文

精听文本