A.正确

B.错误

正确答案：正确

5、Push sickle， which first appeared in Song and Yuan dynasties， is one of the most important winnowing tools in ancient time.。

A.正确

B.错误

正确答案：错误

6、Who wrote Waterwheel Poem？

A.Chen Tingzhang.

B.Liu Yuxi.

C.Liu Zongyuan.

D.Zhang xi

正确答案：Chen Tingzhang.

7、Which of the following is NOT a threshing tool？

A.Threshing bucket.

B.Sieve.

C.Flail.

D.Stone roller.

正确答案：Sieve.

8、Which of the following correctly express the right time in which the farm tools were developed？

A.Stone tools in Neolithic age.

B.Bronze tools in Xia， Shang， Zhou dynasties.

C.Iron tools since Warring States perioD.D.Iron tools since Neolithic age.

正确答案：Stone tools in Neolithic age.Bronze tools in Xia， Shang， Zhou dynasties.Iron tools since Warring States period.

9、What do people call chain pump in Chinese？

A.Long Gu Che

B.Fan Che

C.Tong Che

D.Shui Che

正确答案：Long Gu Che；Fan Che

10、Which of the following modern farm tools are developed based on push sickle？

A.Reaper.

B.Reaper-binder.

C.Combine-harvester.

D.Grain drill.

正确答案：Reaper.Reaper-binder.Combine-harvester.

第三章单元测试

1、Both the alternating fields method and pit fields method are invented in the Tang dynasty.。

A.正确

B.错误

正确答案：错误

2、The alternating fields method and pit fields method are two key farming techniques in maintaining a drought-proof agriculture in ancient China.。

A.正确

B.错误

正确答案：错误

3、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.正确

B.错误

正确答案：正确

4、Rainfall and mountain springs were important sources of water in the mountainous areas.。

A.正确

B.错误

正确答案：正确

5、Shelf fields are artificial fields floating on the surface of water.。

A.正确

B.错误

正确答案：正确

6、（）invented the alternating fields methoD.

A.Ban Gu

B.Zhao Guo

C.Fan Shengzhi

D.Lin Zexu

正确答案：Zhao Guo

7、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.