问题
填空题
鱼类的共同特点是：终生生活在______中，体表常被有______，用______ 游泳，用______呼吸．
答案
鱼类大都生活在水中，体表有鳞片能分泌粘液具有保护作用还可以减少水的阻力；呼吸器官是鳃，吸收水中的溶解氧；用鳍游泳，靠尾部和躯干部的左右摆动向前游动．
故答案为：水；鳞片；鳍；鳃
搜题请搜索小程序“爱下问搜题”
鱼类的共同特点是：终生生活在______中，体表常被有______，用______ 游泳，用______呼吸．
鱼类大都生活在水中，体表有鳞片能分泌粘液具有保护作用还可以减少水的阻力；呼吸器官是鳃，吸收水中的溶解氧；用鳍游泳，靠尾部和躯干部的左右摆动向前游动．
故答案为：水；鳞片；鳍；鳃
| 选词填空。 用方框中短语的恰当形式完成句子。 | |
2. The next meeting will_________ on Thursday. 3. To be honest, I don’t like him very much. He is always ________other people. 4. Jack was very rude to his teacher in class this morning. He should be called to _______ his behaviors. 5. After she finished her story, Tomara __________her in disbelief, shaking his head. 6. Those clouds threw shadows that __________ some sunlight __________. 7. Her grandmother_________ telling jokes. She can always make us laugh. 8. I didn’t stop drinking, but at least I tried to ________ it ________. 9. I’m still thinking about moving to someplace that I’ve never been to. However, my parents suggested that I _________ and have a family. 10. Whether we will go home tomorrow or not__________ whether it will rain or not. |