1. It is acceptable to swim by yourself as long as you inform another person.
2. Goggles were first used in 1976 Olympics.
3. Swimwear is usually made of polyester or spandex.
4. Swim caps are only required for swimmers with long hair hair.
5. Breaststroke is performed with a dolphin kick.
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Answer:
1. True
2. True
3. True
4. True
5. ?