我可以写自己的padi独特的专业课程吗？
如果你 are a padi scuba diving instructor, you may develop and teach a padi distinctive specialty course. aside from creating a course outline that is aligned with the padi standards of diving, you should be able to show your background and experience in the course subject matter. for more details you should check this post for some 关于如何编写padi独特专业课程的提示.
全世界有七种海龟，即：  
绿海龟 (chelonia mydas.)  
橄榄色的罗德利海龟 (lepidochelys olivacea.)  
玳瑁海龟 (eretmochelys imbricata.)  
皮革海龟 (皮德西斯科西娅亚太亚)  
loggerhead海龟 (caretta caretta.)  
kemp.’s ridley sea turtle (lepidochelys kempii.)  
平坦的海龟 (纳税人抑郁)