题目
Most people don\’t know anything about soil（土壤）.In the city,we（1）______see soil unless there\’s construction work.It\’s hard for us to realize that everything（2）______soil.There can be no life without soil and no soil without life.
Soil grows the food that provides 98.8% of our daily calories（卡路里）and is home to more than 25% of the species（物种）in the world.Soil also（3）______huge amounts of both fresh water and carbon.
Soil is a living community in the（4）______world.Plants,animals and microorganisms（微生物）get together and develop a rich environment for humans food production.
| A.natural B.stores C.passes on D.depends on E.seldom |
Soil grows the food that provides 98.8% of our daily calories（卡路里）and is home to more than 25% of the species（物种）in the world.Soil also（3）______huge amounts of both fresh water and carbon.
Soil is a living community in the（4）______world.Plants,animals and microorganisms（微生物）get together and develop a rich environment for humans food production.
知识点：健康环保类阅读章节：未标注