题干

2014年12月15 日,我市棋山森林公园通过专家组评审,成功由省级森林公园晋升 为国家级森林公园.棋山国家森林公园拥有森林、水域、峡谷等风景区,园区内广泛分布着 松、柏、蕨等植物,野兔、鼠、蛇、布谷鸟、麻雀等动物也常被发现.请分析回答:

(1)棋山国家森材公园拥有森林、水域、峡谷等不同风景区,这体现了生物多样性中的____ ;从生态系统类型角度分析,棋山湖属于____ 生态系统.

(2)从生态系统的组成成分角度分析,题目列举的生物中没有____ ,蕨属于棋山森林公园的____ ;蕨多见于棋山的阴暗潮湿处,你认为影响蕨分布的环境因素是____ 

(3)在棋山森林公园的“草→鼠→蛇”这条食物链中,获得能量最少的生物是____ ,该食物链体现了棋山森林公园的各成分可依靠物质循环和____ 的流动而相互联系,形成一个统一的整体.

(4)随着景区级别的晋升,前往棋山森林公园旅游的人越来越多,这无疑会影响棋山的生态环境.请你为棋山的生态环境保护提出一条合理建议____

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同类题5

先通读下面的短文,掌握其大意,然后在每小题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

    Once there was a lovely vegetable field with a very big tree in it. Both of the vegetables and the tree made the garden look wonderful.

    One day, the vegetables and the tree couldn't get on well with 1. The vegetables disliked the tree because they thought the tree didn't leave them enough 2 by covering them with its thick leaves while the tree thought that the vegetables drank nearly all the water before it could reach him.

    The situation became worse and worse. One day the vegetables decided to 3 all the water in the ground so that the tree would dry up. The tree fought back by refusing to offer the vegetables shade(树荫). Soon they both began to dry up under the hot sun.

    Neither of them expected that the gardener would stop 4 his vegetable field because he thought it was 5 to save the vegetables. When the gardener did that, the tree and the vegetables really felt how 6 they were. There seemed to be no way to solve the problem. Then a small pumpkin decided to do something to change the situation. The small pumpkin did all he could to grow 7 there was little water and it was too hot.

    Finally, the gardener 8 the growing pumpkin among the dying vegetables. 9, he started to water the field again because he still wanted to make a(n) 10 to win the beautiful pumpkin. At the same time, the tree and the vegetables were saved. Since then, they realized that it was better to help each other than to fight, and they lived in harmony with other plants.