下图表示3种哺乳动物由于周围环境环境变化而发生代谢速度变化。以下叙述中不正确的是 （ ）

①动物Y比动物Z更能适应寒冷的环境
②动物X对温度变化的生理调节能力很差
③在低于40℃的情况下，三种动物的甲状腺激素分泌最先达到较高水平的是Z
④在10℃时就发生骨骼肌颤抖的动物是X
⑤在寒冷环境下，调节体温的方式是神经调节
⑥南极科考人员应选择Y动物饲养

学习了化学可以帮助我们解释生活中的一些现象：

（1）高层建筑常采用铝合金门窗，而不采用铁门窗，____ ．

（2）富含维生素C的蔬菜烹调时不能加热时间过长，是因为维生素C____ ．

（3）活性炭可用于除去色素或臭味，是因为活性炭具有____ 能力．

（4）50mL水和50mL酒精混合在一起，总体积小于100mL．____ ．

阅读短文，下列问题

                                                                                                                  A

                                                                                                        Mother’s Day

      Mums do a lot of hard work. They cook and clean for us—their children. They also encourage us and give us support. Mother’s Day is the time for us to say “Thank you “to our mums.

      In most countries, people celebrate Mother’s Day on the second Sunday in May every year. On this day, people like to buy flowers and make special Mother's Day cards for their mums.

     Mother's Day is not only about gifts. We can help our mums do the housework. We can take them to the park or the cinema. Sometimes a simple hug or saying “I love you, Mum” is the perfect gift for our mum.

     Mother's Day is about love. If you love your mum, why not plan a special Mother’s Day for her?

 根据下列装置，结合所学化学知识回答下列问题．