a、b、c是三个轻质带电泡沫小球，它们相互作用情况如图所示．已知a带负电，则b带_1电．若用丝绸摩擦过的玻璃棒去靠近c，二者将相互_2（选填“吸引”或“排斥”）．

题干

a、b、c是三个轻质带电泡沫小球，它们相互作用情况如图所示．已知a带负电，则b带____ 电．若用丝绸摩擦过的玻璃棒去靠近c，二者将相互____ （选填“吸引”或“排斥”）．

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正,排斥

Are you a sports lover looking for skill development in the off-season?

Joy of the Game (JG) has been working for the past 10 years. Come and join JG to develop skills as you prepare for the next season.

Classroom Information
Ages	Boys 8th—12th Grade
Skills	All Skill Levels
Days	Sunday (A 10—week Program) Half Day: Morning: 9:00 am—12:00 pm Afternoon:1:00 am—4:00 pm
Sample Schedule	Morning Period: (9:00 am—12:00 pm): Basketball, Volleyball, Floor Hockey Lunch Break: 12:00 pm—1:00 pm (Kids Must Bring Their Own Lunch) Afternoon Period: (1:00 pm—4:00 pm): Basketball, Floor Hockey, Soccer, Relay Races
Costs	Half Day: $ 50 per day Full Day: $ 90 per day