《2025年新课程暑假作业本山西教育出版社七年级综合B版》

In some countries in 1.Europe,winter swimming is common.There are also winter swimming competitions around the world.
Winter swimming isn't dangerous for 2.healthy people.However,children and the 3.elderly should avoid this activity.As the water is very cold,people might have difficulty 4.breathing.Some may even suffer heart attacks.
Scientists say winter swimming can be good for people's health.Some winter swimmers say that they 5.remember things better and feel happier.

答案： 1. Europe 2. healthy 3. elderly 4. breathing 5. remember

1. May Day is a great time for riding bikes.
2.Some kids are riding their bikes a bit differently.They do a lot,such as(如)doing backflips, turning around in the air, jumping, and flying over things.
3.The most popular extreme sports are as follows:inline skating, BMX cycling, snowboarding, skateboarding, and bungee jumping.
4.All extreme sports arefast and dangerous.

答案： 1. May Day
2. doing backflips, turning around in the air, jumping, and flying over things
3. inline skating, BMX cycling, snowboarding, skateboarding, and bungee jumping
4. fast and dangerous