单选题
Maincore Diving Center Au Cap, SeychellesDear Students,Congratulations on【K10】______the three-day open water scuba diving course at Maincore Diving Center.As a final requirement for certification, you will perform your first deepwater dive tomorrow. Please be sure to follow the safety precautions you have learned from your instructors. This will help guarantee a【K11】______diving experience.In addition, check whether your gear is in working order before getting on the boat. It is highly recommended that you wear gloves to shield your hands from sharp coral. The staff at the center【K12】______you in selecting and assembling your equipment.We hope you found this course to be a pleasant experience. Should you have any problem with our services, do not hesitate to send an inquiry to our office so that we can deal with your concern immediately.Thank you.Maincore Diving Center