英语语法问题这句话应该填哪个词啊?为什么?specially,thisnewvolumewillexaminetheconsequencesthatcanresultfromacountry's(export/exports)选择哪个?并说明理由!

Question

英语语法问题
这句话应该填哪个词啊?为什么?
specially,this new volume will examine the consequences that can result from a country's (export/exports)
选择哪个?并说明理由!

Answer 1

答案应该是：export,这里不是指出口物品（可数名词）,而是指出口（不可数名词）.
export 名词 n.
1.输出,出口[U]
Half of our products are for export.
我们有一半产品出口.
2.输出品;输出额[P]
Rubber is the country's principal export.
橡胶是该国主要出口物.
朗文在线：
1 [uncountable]BBT the business of selling and sending goods to other countries [≠ import]
export of
a ban on the export of toxic waste
for export
bales of cloth for export to the continent
export market/industry/earnings etc
Export licences (=official document allowing you to sell something abroad) for arms are strictly controlled.
2 [countable usually plural]BBT a product that is sold to another country [≠ import]:
Wheat is one of the country's chief exports.
Selling insurance overseas is Britain's largest invisible export (=a service rather than a product).