[解析]
1.fight the bad environment.细节理解题.根据第一行The aim is to bring life to the dry lands and help to fight the bad environment.其目的是给旱地带来生命,帮助对抗恶劣的环境.可知,他们想把生命带到干燥的土地上,帮助"对抗恶劣的环境".填fight the bad environment.
2.from Senegal in the west to Djibouti in the east. on the south.细节理解题.根据第二段 It covers from Senegal in the west to Djibouti in the east,on the south of the Sahara Desert(撒哈拉沙漠). 它从西方的塞内加尔到东方的吉布提.撒哈拉沙漠南部.可知,填from Senegal in the west to Djibouti in the east.on the south.
3.there was little rain.细节理解题.根据第三段there were few trees in that area and the winds used to be very strong. It was harmful to the fields. Also, there was little rain, so few plants could grow 那个地区几乎没有树木,风很强,对农田有害,雨水少,所以很少植物能生长.可知,"又很少的雨".填there was little rain.
4.in 2007.细节理解题.根据最后一段The project which began in 2007.2007开始的项目.可知,在2007年.填in 2007.
5.the Great Green Wall.主旨大意题.根据第一句Eleven countries are building a great wall of trees across Africa. It is called the Great Green Wall.非洲有十一个国家正在建造一座长城,称之为"绿色长城".可知,短文主要介绍非洲的"绿色长城".填the Great Green Wall.