单项选择题

Questions 29 to 31 are based on the passage you have just heard.

A．By forcing them farming.
B．By affecting the quality of soils.
C．By adding chemicals and polluting the waterways.
D．By affecting the environments they live in.

<上一题目录下一题>

热门试题

填空题

The Dreamer type never spends long hours in front of a desk.

单项选择题

A．19 years old.B．13 years old.C．15 years old.D．17 years old.

A．19 years old.
B．13 years old.
C．15 years old.
D．17 years old.

Questions 29 to 31 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。

Questions 29 to 31 are based on the passage you have just heard.