题目

There are many ______ animals in the zoo.But some animals are ______ scary.A. kind of；kind of B. kinds of；kind ofC. kind of；kinds of D. kinds of；kinds of 答案：【答案】B【解析】句意“动物园里有许多种动物，但是一些动物有点可怕”。a kind of一种；kinds of=many kinds of多种多样的；kind of有点，根据句意，故选B。解方程x-=0 x÷=x+x=14．