There are many different kinds of parrots in the world. They can not only(不但)live in the tree, but they can also(而且)live on the mountain. Some parrots are quite big. Some are very small. Many people like them, because they often have beautiful colours, and because they can “talk”.

    Do you know why parrots can talk? But most birds cannot. Perhaps, parrots can “talk” because they have big, thick tongues. But some other birds that cannot talk have big, thick tongues, too. So we don't know why parrots can talk.

有人看到别人吃酸杏时，自己也会分泌唾液，这是一种反射现象．下列叙述与这种反射现象特点不相符的是（    ）

“昔日的阡陌农田变成了今日的高楼大厦，冷僻的乡间小镇如今成为繁华的商业区。”这句话描写的是（    ）。