A、A suitable location for a party.B、The safety rules for swimming.C、A good means of swimming safely.D、The activities for the birthday party.
（2）、
A、Aggressive swimmers.B、Lack of lifeguards.C、Uninteresting activities.D、Potential bad weather.
（3）、
A、To bring some alcohol.B、Not to swim alone.C、To spend longer in water.D、Not to eat before swimming.
（4）、
A、Swimming can be totally safe with full consideration.B、The man gives priority to safety when making plans.C、The party will be cancelled due to certain factors.D、The woman is better at swimming than the man.
