世界贸易组织的主要目标是（  ）

病句门诊。将正确的句子写在横线上。

①满山遍野都是芳香扑鼻的、鲜艳美丽的小草。

②我们面带微笑，笑眯眯地欢迎来我校视察的领导。

③今天是晴朗的一个夜晚。

短文改错：找出短文中有错误的地方划线并改正，每行只有一处错。

Hundred of years ago, news was carried     ____

by people on foot or by a horse.            ____

It takes people a long time to receive news.   ____

Now it is possible to sending words and pictures____

in seconds. Billions of people learn about news

either by watching TV and by reading.          ____