如题所述
选A 这里的Potatoes是作为整体看的，视为一个“种类”，所以是单数形式，选择is
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第1个回答 2011-01-10
Potatoes are my favourite food.
翻译：土豆是我最喜欢的食物。
解释：根据主谓一致原则，主语Potatoes是复数，故谓语动词用are。
翻译：土豆是我最喜欢的食物。
解释：根据主谓一致原则，主语Potatoes是复数，故谓语动词用are。
参考资料：
第2个回答 2011-01-10
选填B 原因：因为句子的主语potatoes为复数，所以be动词要用复数形式are。
第3个回答 2011-01-10
Potatoes _(B) are__ my favourite food .
potato = 单数
potatoes = 复数
例句:
(1)First introduced outside the Andes region four centuries ago, today potatoes <have> become an integral part of much of the world's cuisine and are the world's fourth-largest food crop.
(2) The potato <is> a starchy, tuberous crop from the perennial Solanum tuberosum of the Solanaceae family.
(3) Introduced to Europe by Spain in 1536, the potato <was> subsequently conveyed by European mariners to territories and ports throughout the world.
(4) Nearly a third of the world's potatoes <are> harvested in China and India.
potato = 单数
potatoes = 复数
例句:
(1)First introduced outside the Andes region four centuries ago, today potatoes <have> become an integral part of much of the world's cuisine and are the world's fourth-largest food crop.
(2) The potato <is> a starchy, tuberous crop from the perennial Solanum tuberosum of the Solanaceae family.
(3) Introduced to Europe by Spain in 1536, the potato <was> subsequently conveyed by European mariners to territories and ports throughout the world.
(4) Nearly a third of the world's potatoes <are> harvested in China and India.
第4个回答 2011-01-10
复数，选择are。『Seriously,MortalShen』
