Which of the following is the main topic of the passage? ______, the first chilled-steel plow made their appearance.

admin2009-07-28 60

问题 Which of the following is the main topic of the passage?
______, the first chilled-steel plow made their appearance.

选项 A、In the 18th century
B、In 1869
C、In 1860
D、As early as 1790

答案B

解析

转载请注明原文地址:https://kaotiyun.com/show/dCuK777K

大学英语三级B级

相关试题推荐

随机试题

最新回复(0)