单项选择题

Questions 9 to 12 are based on the conversation you have just heard.

A. Why the book talks about turbidity currents.
B. How winds can affect some ocean currents.
C. The causes of underwater earthquakes.
D. What a turbidity current is.

<上一题目录下一题>

热门试题

单项选择题

A. The British government. B. George Washington.C. Ben Franklin. D. The private contractors.

A. The British government.
B. George Washington.
C. Ben Franklin.
D. The private contractors.

填空题

frustrating

Questions 9 to 12 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。

Questions 9 to 12 are based on the conversation you have just heard.