到1832年，英国大约有16%的成年男子得到选举权，新兴工业城市得到65个席位。导致这一情况出现的根源是

欲使NaCl、NH₄Cl和SiO₂的混合物分开，其必要的操作为

下图是希特勒进行战争宣传的照片，希特勒为首的纳粹党上台的原因有

①较强的军国主义和专制主义传统   ②经济危机造成社会动荡   ③垄断资产阶级对政府当局的不满 ④《凡尔赛和约》过于苛刻

请写出不同场合中使用的敬辞或谦语。（限用两个字的词语）

①邀请朋友到家中做客，你可以说：“我在家里____你的到来。”

②请他人阅读自己的作品，应谦虚地说“请您多提宝贵意见”或“请您____”。

③询问长者年龄，应尊敬地问：“您老人家____？”

   Jane always goes to school early. She likes to talk to her friends before class. After school she does not go home early. She is always late. Jane stops to see the animals in the pet shop. She likes to see the dogs. One of them is a little white dog. She watches the little dog play in the window of the shop. She watches for a long time, so she comes home late.
   One day her father and mother ask why she is late, and she tells them about the little dog in the pet shop.
   Jane is not late the next day. She stops to look in the window of the shop. But she doesn’t see the dog, and she is very sad. She is also very happy, today is her birthday.
   Mother shows her a big birthday cake and Father gives her a birthday surprise(惊奇). He gives her the little white dog from the shop. Jane is very happy. The next day Jane does not come home late. She runs home to play with the white dog.