Official 27 Lec 1
Question 1 of 6
What is the lecture mainly about?

A.

The transplantation of young coral to new reef sites

B.

Efforts to improve the chances of survival of coral reefs

C.

The effects of temperature change on coral reefs

D.

Confirming the reasons behind the decline of coral reefs

正确答案:B

显示答案
进入答题
00:00
00:00
隐藏原文

译文

精听文本