请教:2016英语专八改错练习题二十八第1小题如何解答?
Industrial growth in countries had formerly been markets __1__
Industrial growth in countries had formerly been markets __1__
prospect of economical self-sufficiency. It was eagerly seized __9__upon
In almost 1400 B.C. new smelting techniques led to the high __3__temperatures which could produce an iron superior in strength to bronze.
hastened regional self-sufficiency and, in the consequence, __2__hastened the collapse of organized long-distance trade. This process was intensified by the spread of a new metal, iron.In almost 1400 B.C.
Iron was available for smelting in almost every land and, in efficiency,iron forging offered almost every country the __8__prospect of economical self-sufficiency.
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