1、 问题:Both the alternating fields method and pit fields method are invented in the Tang dynasty.
A、对
B、错
2、 问题:The alternating fields method and pit fields method are two key farming techniques in maintaining a drought-proof agriculture in ancient China.
A、对
B、错
3、 问题:The ever increasing population in South China put great pressure on food and land, which was one of the reasons why terraces came into being.
A、对
B、错
4、 问题:Rainfall and mountain springs were important sources of water in the mountainous areas.
A、对
B、错
5、 问题:Shelf fields are artificial fields floating on the surface of water.
A、对
B、错
6、 问题:__ invented the alternating fields method.
A、Ban Gu
B、Zhao Guo
C、Fan Shengzhi
D、Lin Zexu
7、 问题:Which of the following is NOT included among the contribution of terraces?
A、They scientifically minimize the soil erosion.
B、They reduce soil surface runoff.
C、They improve the soil fertility.
D、They decrease water conservation.
8、 问题:Concerning the alternating fields method, which of the following are TRUE?
A、Crop seeds are sowed on the ridges in order to help them resist wind and preserve moisture.
B、Crop seeds are sowed in the furrows in order to help them resist wind and preserve moisture.
C、The furrows and ridges of the field are rotated every
9、 问题:Terraces can be found in____.
A、Hunan Province
B、Jangxi Province
C、Guizhou Province
D、Fujian Province
10、 问题:Which of the following statements are right?
A、The sandy layer on top of sandy fields allows more rainfall to soak into the soil if it rains.
B、The sandy layer on top of sandy fields slows water evaporation down if it doesn’t rain.
C、The sandy layer on top of sandy fields absorbs the sun’
