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Hydroponics______the cultivation of plants without soil.A、doesB、isC、doD、areB
Hydroponics______the cultivation of plants without soil.A、doesB、isC、doD、areB
游客
2023-12-31
50
管理
问题
Hydroponics______the cultivation of plants without soil.
选项
A、does
B、is
C、do
D、are
答案
B
解析
语法应用。Hydroponics(水耕法，水栽培)虽带有词尾-s，但表示单一概念，应看作是单数名词，故谓语动词要用单数；本句为主系表结构，用be动词，所以选B。
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