玉楼春^①

欧阳修

雪云乍变春云簇，渐觉年华堪送目。北枝梅蕊犯寒开，南浦波纹如酒绿。

芳菲次第还相续，不奈情多无处足。尊^②前百计得喜归，莫为伤春歌黛蹙。

【注】①这首词作于词人被贬离京，任职颍州（今安徽阜阳）期间。②尊：通“樽”。

    Kate's father took her to the hospital to see her one-day-old baby brother. They drove there straight from school. Kate had never been inside a hospital before.  ①This was a new experience for her.

    At the gate there was a large sign listing all the departments of the hospital, with arrows (箭头) showing how to find them. When Kate saw the A&E department(急救室), she asked,“What do those letters stand for?”“Accident and emergency,” replied her father,

②“Last spring, I took our sister there because she fell off her bike,”

如图，D是△ABC的边AB上一点，在条件（1）∠ACD=∠B，（2）AC²=AD•AB，（3）AB边上与点C距离相等的点D有两个，（4）∠B=∠ACB中，一定使△ABC∽△ACD的个数是（　　）

为了延长种子的寿命、应将种子保存在什么环境（   ）。