单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
What is the topic of the passage

A．Food keeping.
B．Food safety after a flood.
C．The influence of floodwater.
D．Safe-keeping from floodwater.

<上一题目录下一题>

热门试题

单项选择题

单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. What is the topic of the passage 您的浏览器不支持 audio 元素。