Corn originated in the New World and thus was not known in Europe until Columbus  

    found it ______ in Cuba.

    A) being cultivated     B) been cultivated  C) having cultivated  D) cultivating

 

[单选题]New Zealand is sometimes called the world‘s biggest farm.It is the world’s

[单选题]New Zealand is sometimes called the world‘s biggest farm.It is the world’s

[名词解释] 玉米（corn）

[名词解释] Land-originated Call

[单选题]The Renaissance was a European phenomenon originated in ( )A.FranceB.Britai

[单选题]The Renaissance was a European phenomenon originated in ( )A.FranceB.Britai

[单选题]_________[A] So[B] Since[C] As[D] Thus

[名词解释] 糯玉米（waxy corn）

[单选题]New Foods and the New WorldIn the last 500years,nothing about people—not th

[单选题]New Foods and the New WorldIn the last 500years,nothing about people—not th