Official 38 Lec 1
Question 6 of 6
According to the professor, what factors contributed to a dramatic rise in the prices of some tulips in the early seventeenth century?

A.

Botanists discovered how to breed tulips that were resistant to certain plant diseases.

B.

The demand for tulips increased in Persia and the Ottoman Empire.

C.

Dutch speculators enthusiastically bought tulip bulbs as investments.

D.

The most desirable tulips could not be produced by breeding at that time.

正确答案:DC

显示答案
进入答题
00:00
00:00
隐藏原文

译文

精听文本