列入《世界自然保护联盟》(IUCN) 2012年濒危物种红色名录ver 3.1——无危(LC)。[2]相关研究红脖颈槽蛇属于所谓“无毒的”蛇类,即那些没有所具的典型的毒器的蛇类,它们中也有具有与毒蛇的毒腺相似的腺体,即称为杜福诺氏腺体(Duvernoy′Sgland)。且不同的毒腺具有不同的毒性作用,表现为出血不止、溶血、呼吸...
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"We (5) D have interesting classes at school.I hope teachers can (6) A stories in class.If a teacher can do this,we won't feel sleepy (困倦的)then.And these teachers are usually very(7) B us students.Having his or her lessons is to have a good time.(8) ...