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1. Then he gave advice
ploughing, suggesting that the autumn ploughing should be at a
(great) depth than the spring ploughing. He also suggested
(change) crops to get better harvests every year.
【考点】
固定短语;
【答案】
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语法填空(单句)
普通
课时演练
换一批
1. For i
, they may grow corn or wheat in a field one year, and then grow beans there the next.
单词拼写(单句)
普通
2.
different crops are grown is because they put important minerals back into the ground,
(make) it ready for the next batch of crops.
语法填空(单句)
普通
3. What keeps them
doing so is the fact
chemical farming serves the high demand
food around the world.
语法填空(单句)
普通