题目

3．(2012·福建理综)科技人员选取某地同一自然条件下三种不同类型的茶园，进行物种丰富度的调查，结果如图。据图判断正确的是( ) A．纯茶园物种数变化幅度最小，不易产生暴发性虫害 B．杉茶间作园各物种的种群密度在10月份时最大 C．梨茶间作园的营养结构在6月份时最为复杂 D．人类生产活动不会改变茶园的群落结构A brown owl（猫头鹰）sat on a branch and watched. He was good at watching. His big eyes blinked (眨眼睛). Down below, a white rabbit played in the grass. The rabbit was very fast，and it was too fast to catch. Every time the owl tried to catch the rabbit, the rabbit ran away.The owl was hungry, but he had to find a way to catch the rabbit. How could he catch the fast rabbit? If he flew down on top of him, the rabbit would see his shadow(影子) and run into his hole. What could he do? Suddenly, the owl had an idea. His eyes got really big, because he was excited. A moment later, he took off. When the owl was flying, he made sure to stay away from the rabbit. The owl didn’t want the rabbit to know he was coming. Then, when he came close to the rabbit, he spread his body to change the shape of his shadow!The white rabbit stopped eating grass and looked. Suddenly, there was an black rabbit next to him. The white rabbit looked at it. He didn’t know there was an owl near his home. It looked like he could make a new friend! Suddenly, the black rabbit disappeared, and in its place was the owl.The rabbit cried out and tried to run for his hole, but the owl was waiting for him. The rabbit ran right into the owl’s claws and became his dinner. Sometimes, when you try something new, you can surprise yourself and others.1.Why couldn’t the owl catch the rabbit at first?________________________________________2.What did the owl do when he came close to the rabbit?________________________________________3.Did the rabbit know there was an owl near his home?________________________________________4.What was the black rabbit actually be?________________________________________5.Where did the rabbit try to run?________________________________________ 1.Because it was very fast./Because the rabbit was too fast to catch. 2.He spread his body to change the shape of his shadow. 3.No, he didn’t. 4.The owl. 5.To his hole. 【解析】试题分析：本文是一篇记叙...