Eye doctors recommend that a child’s first eye exam____at the age of six months old.

填入下面一段文字横线处的语句，最恰当的一句是（ ）追求成功是一种态度，让这种态度趋于理性平和而不是虚浮躁动，与驾驭心态的能力紧密相关。 。因为人生一世，草木一秋，不奢求完美，方可轻松；不迷失自我，才能幸福。一个人什么都可以缺，就是不能缺少参透得失的明心。

Miss Li, could you give me on English learning—Certainly. First you should speak English every day.

______your opinions are worth considering,the president finds it unwise to place too much importance on them.

io ___, I have to share a radio withmy desk-mate.