暑假里,斑马老师带领同学们来到水稻种植基地参观。水稻专家河狸先生说:“无论是谁,都得吃大米,大米由水稻中得来。为了保证大米的质量,我们的水稻从来不打农药。”听到这里,大嘴兔子半信半疑:农作物哪有不打农药的呢?在自由活动时,她带着这个疑问来到田边,蹲下身来,仔细观察着田里的水稻。她发现一株水稻正垂头丧气地抽泣。它的茎上蠕动着什么东西,仔细一看,这正是河狸先生讲的螟虫。螟虫慢吞吞地爬,贪心地噬咬水稻,悠然自得。它扭动着身子, In summer vacation, zebra teacher led students to visit rice planting base. Mr. Rice Beaver, a rice expert, said: “Whoever has to eat rice, rice has to come from rice in order to ensure the quality of rice, our rice never hit pesticides.” "Heard here, beak rabbit skeptical: How can crops not fight pesticides? In free activities, she came to the edge of the field with this question, squatting down, carefully observed the rice in the fields. She found a rice sobbing down. What’s creeping on its stems, a closer look, and that’s exactly what the beaver said about borers. Borer crawling slowly, greedy bite rice, leisurely. It twisted body,