问题
单项选择题
合理的()应根据作物对土壤的要求,气候特点和土壤特性来确定。
A、轮作
B、复种
C、土壤耕作
D、播种制度
答案
参考答案:C
合理的()应根据作物对土壤的要求,气候特点和土壤特性来确定。
A、轮作
B、复种
C、土壤耕作
D、播种制度
参考答案:C
看图,用方框内词的适当形式填空。 | |
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A: Excuse me, Mary. What's this 1 English? B: 2 a dictionary. A: How do you 3 it? B: D-I-C-T-I-O-N-A-R-Y. A: 4 you. And is 5 your dictionary? B: 6 , it isn't. It's 7 dictionary. 8 that's my dictionary. A: 9 . This is her 10 and that is your dictionary |