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
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. |