文档介绍：智课网TOEFL备考资料
新托福黄金精选阅读真题【PDF】
新托福黄金精选阅读真题内容介绍:
1. 0G之中的13篇文章;(其中3篇为第三版0G之中的文章);
2. 34次(套)TPO之中的3*33=99篇文章(由于TP02的文章和0G的文章重合);
;
4. ETS官方给出的模考软件之中抽出的1篇文章;
新托福黄金精选阅读真题:节选
The deserts, which already occupy approximately a fourth of the Earth's land surface, have in recent decades been increasing at an alarming pace. The expansion of desert like conditions into areas where they did not previously exist is called desertification. It has been estimated that an additional one-fourth of the Earth's land surface is threatened by this process.
Desertification is plished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water. In some cases the loose soil is pletely away, leaving a stony surface. In other cases, the finer particles may be removed, while the sand-sized particles are accumulated to form mobile hills or ridges of sand.
Even in the areas that retain a soil cover, the reduction of vegetation typically results in the loss of the soil's ability to absorb substantial quantities of water. The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water ration. Water absorption is greatly reduced; consequently runoff is incr