several hundred 和several hundreds of有什么区别?

1.The round cake WHICH/THAT ( )the moon is called a moon cakeA.like B.is like C.likes D.looks likex0d------.（原句有错误,在句中应该加上“which”或“that”引导定语从句,已为你修正.） 意思是：这个看起来像月亮的圆形的蛋糕被叫做月饼.因为是看起来像,端详着像,所以选D.x0d2.We've planted several ( ) trees in our school.x0dA.hundred B.hundreds C.hundred of D.hundreds ofx0d请写一下选这个答案的原因.x0d------在高中语法里这一点讲得很清楚,这是最基本的语法常识.在several/dozen/hundred/thousand/million等数词前有基数词或表示数量的形容词时,上述单词不加-s;但表示诸如“成千上万”之类粗略的意思时,要加-s.比如：several million people数百万人；two thousand teachers两千位教师；thousands of people成千上万的人.所以该题答案为A