单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
______ is the driving force of the formation of a typhoon.

A．Water
B．Heat
C．Air
D．Wind

<上一题目录下一题>

热门试题

单项选择题

单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. ______ is the driving force of the formation of a typhoon. 您的浏览器不支持 audio 元素。