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1.在讲述蜘蛛结网捕食昆虫时，学生提出蜘蛛结的网能把昆虫粘住，为什么不能把蜘蛛粘住呢？特向大家请教。2为什么有的黄瓜吃起来很苦？3苦瓜和黄瓜的苦味物质是否有益于健康？4．朱等国家保护生物的目前状况如何？问题征答@贾楠$黑龙江省大庆市第二十四中学!163712@方金永$广
1. When telling spiders to grapple insects, students suggested that spider webs can stick insects. Why can’t spiders stick? Specially for everyone to ask. 2 Why do some cucumbers taste very bitter? 3 Is bitterness of bitter gourd and cucumber beneficial to health? 4. What is the current state of conservation of the state of Zhu and other countries? Question Answering @ Jia Nan $24th Middle School, Daqing City, Heilongjiang Province! 163712 @ Fang Jinyong $ Guang