In the market, vegetables are sold by __

问题选择题

In the market, vegetables are sold by _______ kilogram, I mean, by _______ weight.

A．the; 不填

B．不填; 不填

C．the; the

D．不填；the

答案

答案：A

选A。介词by表示“以…计”时，若后接单数可数名词，其前要用定冠词，如：by the week 按周，按星期 / by the ton 按吨 / by the yard 按码 / by the meter 按米；若后接抽象名词，则通常不用冠词，如：by volume 按体积 / by weight 按重量。