识别概念图回答下列问题
（1）在下列图解中的字母后填上不同字母所代表的结构名称．
（2）用概念图总结所学过的知识可以帮助我们理清知识之间的内在联系，请你以生态因素为核心内容绘制一个概念图．
（1）动物细胞和植物的细胞在结构上的相同点：都有细胞膜、细胞质、细胞核和线粒体；不同点：是动物细胞内没有细胞壁、液泡和叶绿体，而植物细胞内有细胞壁、液泡和叶绿体；
（2）植物细胞的细胞质里有液泡、线粒体和叶绿体，液泡内的细胞液中溶解着多种物质，黄瓜的汁液来自于液泡内的细胞液，线粒体是呼吸作用的场所，叶绿体是光合作用的场所；动物细胞的细胞质里有线粒体．
故答案为：（1）A动物细胞；B细胞壁；C细胞核；（B、C位置可换）；D细胞膜；E细胞核；F叶绿体；G液泡（F、G位置可换）；H线粒体；
（2）如下图：
阅读短文，根据短文内容，从短文后的五个选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。（共8分，每小题2分） ____小题1:____. A blind man climbed Mt.Qomolangma! Can you believe it? I’m still surprised at this. Eric Weihenmeyer has been blind since he was 13. ____小题2:____. After he became blind, he started mountain climbing. Most mountain climbers need to use their eyes to climb mountains. How can Eric do this without the use of his eyes? Well, Eric climbs by feeling with his hands and listening to the sounds around him. Eric also always climbs with friends. Th  ey wear special jackets with bells and he follows this sound, too._____小题3:____, Eric decided to climb Mt.Qomolangma. Mountain climbing experts were very shocked when they heard this. Mt.Qomolangma is a very difficult mountain to climb. Many people try but don’t succeed. The experts sa  id he couldn’t do it, but Eric wasn’t worried._____小题4:___. They started the challenging climb. They climbed for 48 tiring days. On the last day of the climb, they didn’t start until 9 p.m. Climbing in the dark was challenging for Eric’s friends, but it wasn’t for Eric. Due to his blindness, he has been climbing that way his whole life. In the end, they reached the top of Mt.Qomolangma. Though they were completely exhausted, they were very proud of themselves. Instead of feeling tired, they were happy. 237words
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mazing things