单项选择题

Passage Two
Questions 30 to 32 are based on the passage you have just heard.

A．By studying the signs around them with eyes and brains.
B．By changing the weather.
C．By controlling the weather.
D．By listening to others’ advice.

<上一题目录下一题>

热门试题

填空题

Policemen, firemen and emergency doctors all can be called first responders.

填空题

In many industrialized countries, the most common food-borne disease is ______.

Passage TwoQuestions 30 to 32 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。