98－05－33

nancycd

33. Instead of tooth, the blue whale has a row of bony plates in its mouth that functions as a food-collecting device.

答案：A

改正：toothàteeth

其中function的主语是什么呢？还有答案中说主语与谓语一致，是不是也不对？

salonniere

function的主语是a row of ……，跟据a row of ,来判断谓语的单复数