试题详情
- 单项选择题Which of the following statements is NOT considered a characteristic of farming in the late 18th and early 19th centuries?（）
A、Use of artificial fertilizer.
B、Introduction of new agricultural machinery.
C、The'Open-field'system.
D、A system of crop rotation.
关注下方微信公众号，在线模考后查看
热门试题
- Between 1960 and 199
- In Leaves of Grass W
- In 1949（）became Cana
- In 1891-1911(under t
- Like the island cont
- （）is the flightless
- Although legal,offic
- The population decre
- More than（）of the po
- Who was the first pr
- The Renaissance bega
- When was Canada divi
- With about（）daily an
- Because the country
- Henry VIII declared
- In 1893 New Zealand
- Australia is politic
- Which of the followi
- The English Channel
- The three states tha