专四写作题目预测(21)

2021-04-10 16:02:00来源:网络

  新东方在线专四专八频道给大家整理的专四写作题目预测(21),希望能够对大家的专四专八考试备考有所帮助,更多有关专四专八的备考内容,欢迎随时关注新东方在线专四专八频道。

  Passage 21

  Soils

  There are many different kinds of soils. Different soils have different types of rock and minerals in them than other. Some soils have more water in them than others. Some soils might have more plant and animal material in them, too.

  Different kinds of soils are found in different parts of the world. There are several kinds of soils found in the United States. In some areas, the soil has a lot of clay. Other soils are very sandy. Loam is a kind of soil that has a good mixture of clay and sand.

  In some places, soil layers are very thick. Lots of plants grow in places with a thick soil layer. In dry and windy places soil layers are much thinner. Layers of soil on mountains are thin because gravity pulls the soil downhill.

  The type of soil in a particular place affects what kinds of plants can grow there.

  以上就是新东方在线专四专八频道给大家整理的专四写作题目预测(21),希望对大家有所帮助,更多备考内容,欢迎随时关注新东方在线专四专八频道。


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