Official 6 Lec 4
Question 6 of 6
Why does the professor say this:

A.

To correct a misstatement he made about the Sahara's climate

B.

To suggest that the current dryness of the Sahara is exaggerated

C.

To indicate that scientists are not in agreement about the Sahara's past climate

D.

To emphasize the difference between the current and past climates of the Sahara

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