A-A+
What did people do to solve the problem of rai
问题详情
What did people do to solve the problem of rain lack around Chad lake？
A．They moved out of this area.
B．They built irrigation systems.
C．They carried water from other areas.
D．They utilize sea water near this area.
参考答案
正确答案：B
解析：关键段落：“This has forced people to build systems to．carry water to dry land．These irrigation systems further decrease the lake．”可见人们采取的方式是建造灌溉系统从湖中提取水分。而A迁移出去；C从其他地方运水；D从海水中运水文中均未提及。
