Official 46 Lec 3
Question 1 of 6
What is the lecture mainly about?

A.

The economic factors that made lapis lazuli expensive

B.

The types of paintings in which the color blue is popular

C.

Early processes for making blue pigments from stones

D.

Difficulties using the color blue in early paintings

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