The main types of land capability are elevation type, ( ) type, regression type and exhaustion type.
A: environment friendly
B: Maintenance
C: culture
D: intensive
A: environment friendly
B: Maintenance
C: culture
D: intensive
举一反三
- According to the nature of reading and writing, there are three types of CD: random type, primary type and rewriting type.
- There are two types of Huaiyang Clay Figurine in Henan Province. One is of ______ type, the other is of ______ type.
- There are four blood types； Type A, Type B, Type AB and Type O.
- We need all types, but Type 0 is especiallyimportant because it s compatible with every blood type.
- According to , optical fiber movable connectors can be divided into two types: aligning type and non-aligning type. A: Connection method B: Structure C: Optical fiber mutual contact relationship D: Optical fiber type