题目

（四川省成都石室中学2010届高三10月月考） D George, when your big brother and your little dog and I walked you up to school today, you had no idea how I was feeling. You were so excited. You had packed and unpacked your pencils and safety scissors in your backpack a dozen times. I am really going to miss those lazy mornings when we waved your brother and sister off to school. Because you are my youngest, I had learned a few things by the time you came along. I found out that the seemingly endless days of babyhood are gone like lightning. I blinked（眨眼）, and your s根据要求填空，请在横线上填上相应的字母。A．鲫鱼B．海葵C．蛔虫D．乌贼E．蚯蚓F．华枝睾吸虫G．蝗虫（1）鱼类 ；（2）扁形动物 ；（3）腔肠动物 ；（4）线形动物 ；（5）节肢动物 ；（6）环节动物 ；（7）软体动物（8）上述种类中用鳃呼吸的动物是（用字母表示）：（9）上述种类中属于寄生生活的是（用字母表示）：（10）上述种类中属于脊椎动物的是（用字母表示）：（11）上述动物种类中身体呈辐射对称的是（用字母表示）：（12）上述动物种类中身体呈两侧对称的是（用字母表示）：