（2013·金华）健康是指人的生理、心理、社会关系这三者处于正常状态。下列做法有利于身心健康的是(        )

高茎豌豆（Dd）自交产生的F₁中，不同类型个体数目的比例，理论上应是（）

补全下列对话。

  Sally：How was your Labour Day holiday，Rick?

  Rick：It was____．

  Sally：Where did you go?

  Rick：I went to Sanya with my____．

  Sally：How did you go there?

  Rick：We went there by____．

  Sally：Did you go____there?

  Rick：No．The weather was a little cold．We went____there．It was fun!

  Sally：Sounds interesting!

动动脑筋写一写吧，各写三个。