56. When watching beach volleyball matches, you should not __________.

A. bring anything to drink　　　　　　 B. use an umbrella on stands

C. wear sunglasses　　　　　　　　　　　 D. look at the body shapes

3. Again, if a cyclist or runner falls, do not rush over to help. The best thing to do is to contact medical personnel.

2. Cyclists or runners might look tired, sweaty and thirsty, but, do not hand them a bottle of water, a cool towel or anything else. Any help from spectators can disqualify(剥夺资格)an athlete.

1. Spectators should keep off the track. Control your pets.

4. If you easily get nervous, bring some snacks. Keep your mouth moving to calm you down.

Cycling & marathon

3. Players can be tense when taking a shot. Keep the cheering down at critical moments. Do not use the camera flash.

2. Don't bring a whistle. Referees use them and you can puzzle the players.

1. Drinks in glass bottles or cans are not allowed.

4. When the athletes are aiming at the target, keep your voice down.

Baseball, basketball & football

3. Do not use the flash on your camera, because it can disturb the athletes.