A:①③
B:①④
C:②③
D:②④
阅读下列材料,回答问题。
材料一:
朝代
粮食亩产水平(市斤)
人均粮食占有量(市斤)
全国耕地面积(亿市亩)
粮食作物播种面积所占比重
总面积
北方
南方
春秋战国
91(全国)
614.8
2.3
94%
秦汉
117(全国)
1048.35
5.72
魏晋南北朝
122(北方)215(南方)
1167.7
3.85
1.925
90%
隋唐
124(北方)328(南方)
1450.92
6.42
3.21
材料二:宋人陈亮说:“商藉农而立,农赖商而行”。
明末清初思想家黄宗羲认为:“世儒不察,以工商为末,妄议抑之。夫工固圣王之所欲来(想要的),商又使其愿出于途者(指流通),盖皆本者。”
材料三:夷货非衣食所需,可谓中国不缺耶。绝之则内外隔而构之衅无由生矣,夷虽欲窥伺我也,何可得哉?
-----《海防纂要》卷七
请回答:
The Yellow Mountain is one of the most famous m____ in China. Every year l____ of Chinese people and foreigners visit it. It is not f____ from here. You can s____ about two hours getting there by bus. You can also go there by train o____ by plane. When you are c____ the mountains, you can e____ the sea of clouds, wonderful trees and rocks (岩石) a____ you. In the e____ morning when the sun rises (升起),the sun looks b____ . It is really a good place to go.