法国著名思想家菲利普·内莫《古典与中世纪政治思想史》中对古希腊的民主制度做了这样的阐释：“(雅典)城邦的范围内……尽管社会生活具体而言对公民都很不利，但从政治层面上说，公民还是被视为体制内部可进行互换的单一体，法律在这个体制内起到了平衡的作用，它是平等的准则。”据此，作者认为(  )

用所给动词的适当形式填空，完成短文

 Children’s Safety

I ____(talk) to some students. I ____(ask) about safety rules when they ____(be) younger. Their rules were very good.

John ____(say), “I couldn’t play in the kitchen.” His mum and dad didn’t ____(like) that.

Jennifer ____(can) play the piano and she could also ____(play) games in the living room. When her mum and dad ____(not, be) home, she couldn’t cook.

Tom could play in the bedroom or the living room. He couldn’t ____(play) in the bathroom or the kitchen.

What ____(be) your safety rules when you were young? ____(talk) to younger students about these and ____(help) them.

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（   ）

以下是一些常用的农林产品繁殖技术，其中属于有性生殖的是（ ）

—          is your favorite student?

— Kangkang.