英語聽力是英語四六級考試中的重要組成部分，對于中國的考生，日常英文聽說機會少，缺少聽力訓(xùn)練，所以在備考大學(xué)英語四級時，需要加強聽力的訓(xùn)練。針對這一情況，英語四六級頻道特別整理聽力相關(guān)文章，供學(xué)員參考使用。預(yù)祝大家高分通過考試。
2018年12月英語四級聽力50篇匯總
Soils
There are many different kinds of soils. Different soils have different types of rock and minerals in them. 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.
Useful Words:
1. clay 黏土，泥土
2. loam 肥土
3. layer 層
4. gravity 地心引力，重力
5. downhill 往下
2018年12月英語四級聽力50篇匯總
本文關(guān)鍵字： 英語四級聽力 四級聽力備考