Why did New England farmers practice subsistence farming? Why was farming difficult in Ancient Greece? Why were Mesoamerican civilizations easily taken over by conquistadors? Why was chocolate important to the Aztecs? Why was Montezuma Castle built?
In some part of the United States, farming is easy. But farming has always been difficult in the northeastern corner of the country, which is called New England. New England has many trees and thin, rocky soil. Anyone who has wanted to start a new farm there has had to work very hard...
The weather in New Mexico is good for31energy out of sunpght,but sometimes the lack ofrain is a32for people pving here.Most of the state is desert,and there isn't enough water33drinking,growing food,and other uses.Farming is very difficult here because of the water shortage(短缺)....
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C. Government approval for creating buffer zones was at first difficult to obtain. D. Planting trees was much more expensive than planting the usual crops. 你的答案: 正确答案:B 题目解析: 后才能查看题目解析,还没有账号?马上注册 本文生词0 ...
It’s too difficult. Why ___ the teacher for help ( )A.not to askB.not askingC.don’t askD.not ask 免费查看参考答案及解析 题目: 班组长要用5W1H进行管理,即(When何时,Where何处,Who谁,What做什么,Why为何,How如何)为基础进行整理,养成汇报的习惯。 A.正确 B.错误 免费查看参考答案及解析 ...
And, these and other "cover crops," planted to hold the soil after the wheat or corn was harvested--they stored much of the surplus nitrogen during the time of the year when the runoff tended to be greatest. But farming practices changed as farmers came under pressure to use more and mo...
The Grand Canal, extending from Beijing in the North to Hangzhou in the South, is the longest man-made river. Its construction was one of the most magnificent projects throughout the Chinese history. The construction of the canal started in the 4th century BC and was completed in the 13th ...
aIn my memory, the most difficult situation I have ever experienced is that summer after college entrance examination. I planed to try playing summer work where far away from home. Parents didn’t smile on me to do that. So I went away to another city all by myself without telling both...
aIt's just that I find science really difficult. 正在翻译,请等待... [translate] ageometrical discretization of the reservoir 水库的几何离散化[translate] aThe author’s attitude towards the internet is indifferent. 对于互联网的作者的态度是冷漠的。[translate] ...