单项选择题

Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 30 seconds to answer the questions.
Now listen to the news.

Which of the following regions in the world will witness the sharpest drop in life expectancy.

A.Latin America.
B.Sub-Saharan Africa.
C.Asia.
D.The Caribbean.
热门 试题

填空题
essence
填空题
research-based