Alfredo has gone scuba diving before.
Alfredo has gone scuba diving before.
How many steps are mentioned concerning scuba diving?
How many steps are mentioned concerning scuba diving?
What will Bob mostly be doing on his trip to St. Lucia? A: Reading and scuba diving. B: Scuba diving and motocycling with Gloria. C: Accompanying Gloria on shopping and dancing. D: Doing whatever pleases Gloria.
What will Bob mostly be doing on his trip to St. Lucia? A: Reading and scuba diving. B: Scuba diving and motocycling with Gloria. C: Accompanying Gloria on shopping and dancing. D: Doing whatever pleases Gloria.
2. How long did it take Chris to get a scuba diving license?
2. How long did it take Chris to get a scuba diving license?
Which of the following activities will negatively influence animals？（ ） A: hunting B: wildlife observation C: swimming with dolphins D: scuba diving on reefs
Which of the following activities will negatively influence animals？（ ） A: hunting B: wildlife observation C: swimming with dolphins D: scuba diving on reefs
They worked 46 meters above the river, without . ( ). A: air tubes B: safety nets C: scuba gear D: mental helmets
They worked 46 meters above the river, without . ( ). A: air tubes B: safety nets C: scuba gear D: mental helmets
Ships are often sunk in order to create underwater reefs （暗礁） perfect for scuba diving （水肺式潜泳） and preserving marine __1__.
Ships are often sunk in order to create underwater reefs （暗礁） perfect for scuba diving （水肺式潜泳） and preserving marine __1__.