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

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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

解析事实细节题。题目询问最早的冷铸钢犁是何时出现的。本题答案可从文章第二段末句得出：在1869年詹姆士&200958226;奥利弗生产出最早的冷铸钢犁。因此．选项B为正确答案。

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本试题收录于：大学英语三级B级题库大学英语三级分类

大学英语三级B级

大学英语三级

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

大学英语三级B级

大学英语三级

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A、Hedidn’tpasstheexam.B、Heisfeelingilltoday.C、Hisscoresoftheexamwerenotgood.D、Hehasmadeamistake.C女士觉得男士看起

Haveyouevernoticedthatthereisnoshortageofpeoplewillingtogiveyouadvice,whetherornotyouaskforit?I’ve【T1】___

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A、地榆槐角丸B、消银颗粒C、马应龙麝香痔疮膏D、消风止痒颗粒E、内消瘰疬丸可治疗小儿癥疹的是

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