在姚江边上,种植着许多柳树。它们长得挺拔健壮,人们可喜欢了。可是上个星期去河边,我们发现这几棵柳树跟原先有所不同,叶子变黄了,上面还有一个个斑点。我们发誓要找出元凶,为柳树讨个公道。我们带着发黄的柳树叶来到学校,问老师:“姚江旁的柳树叶是枯黄的,而且叶子上有一个个小斑点,跟一般的柳树叶有所不同,这到底是怎么回事呢?”老师想了一下,说:“可能跟最近连 On the edge of Yao River, there are many willows. They look tall and strong, people like it. But last week went to the river, we found these willow trees with the original different, the leaves turn yellow, there is a spot above. We vowed to find the culprit and seek justice for Willow Tree. We came to the school with a yellow willow leaf and asked the teacher: ”The willow leaves beside the Yao River are yellowish, and there is a small spot on the leaves, which is different from the willow leaves in general. Things?? “The teacher thought for a moment and said: ” may be connected with the recent