Wind, water, air, ice and heat all

Wind, water, air, ice and heat all work to cause erosion. As the wind blows over the land, it often (1)______ small grains of sand. When these grains of sand strike against solid rocks, the rocks are slowly worn away. In this way, (2)______ very hard rocks are worn away by the wind.
When particles of rocks or soil became loosened in any way, running water carries them down the (3)______. Some rocks and soil particles are carried into streams and then into the sea.
Land that is covered with trees, grass and other plants wears away very slowly, and so loses very (4)______ of its soil. The roots of plants help to (5)______ the rocks and soil in place. Water that falls on grasslands runs away more slowly than water that falls on bare ground. Thus, forests and grasslands (6)______ to slow down erosion.
Even where the land is (7)______ covered with plants, some erosion goes on. In the spring, the (8.)______ snow turns into a large quantity of water that then runs downhill in streams. (9)______ a stream carries away some of the soil, the stream bed gets deeper and deeper. (10)______ thousands of years of such erosion, wide valleys are often formed.

Results (English) 3:

风，水，空气，冰和热都会导致侵蚀。当风吹过大地，它经常（1）______小沙粒。当这些沙粒撞击坚硬的岩石时，岩石慢慢地被磨掉了。在这种方式中，（2）______非常坚硬的岩石被风化了。
当颗粒的岩石或土壤松动的任何方式，自来水进行了（3）______。一些岩石和土壤颗粒进行流，然后入海。
树木覆盖的土地，草和其他植物的磨损很慢，因此失去了非常（4）其土壤______。植物的根有助于（5）______岩石和土壤的地方。瀑布在草地上的水比裸露地上的水慢得多。因此，森林和草原（6）______减缓侵蚀。
即便土地（7）______植物覆盖，侵蚀的推移。在春天，在（8。）______雪变成了大量的水，然后下坡流。（9）______流带走一些土，河床越陷越深。（10）______数千年的侵蚀，宽谷往往形成。