2012年伦敦奥运会上吕小军以抓举175公斤、挺举204公斤、总成绩379公斤获得金牌，并打破了他自己保持的世界纪录。图为吕小军在比赛中成功举起杠铃的精彩瞬间，此时杠铃稳稳地静止着。关于该图片所反映的情景，从力的角度分析，下列说法正确的是（   ）

      During the weekend, I usually like to 1at home, but sometimes I like to go out for a walk2  play football. My friend Jack works hard3the week. At the weekend, he always goes to4   his uncle and aunt work on their farm with his family.The5is not very big, but there is always so much to6  on a farm. The children look7 the animals and give them food. Jack and his wife help8  the fields. At the end of the day, they are all9 and tired. After Jack’s aunt10 them a big meal, they to back home in a car.

要想知道梨子的味道，就要亲口尝一尝；要想学会游泳，就必须在水中反复练习。这告诉我们（       ）