What is the main problem caused by the usual way of plowing
A: The crop’s blooming period is delayed.
B: The roots of crops are cut off.
C: The top soil is seriously damaged.
D: The growth of weeds is accelerated.
A: The crop’s blooming period is delayed.
B: The roots of crops are cut off.
C: The top soil is seriously damaged.
D: The growth of weeds is accelerated.
举一反三
- Hill slopes were cleared of trees to make way for crops, but this only ______ the crisis. A: preceded B: B. prevailed C: C. ascended D: D. accelerated
- Recently it was damaged. She damaged it .
- What, according to Ned, the first speaker, is the main cause of the country’s problem?
- What caused the elder care problem in Japan
- It says that the company razed forests, polluted rivers, ( ) crop growth, and caused birth defects. A: A.retired B: B. refrained C: C. retreated D: D. retarded