①达到稳定结构时，氯原子只需要1个电子，而硫原子需要2个电子

②氯的含氧酸比硫的含氧酸的酸性强③还原性S^2﹣＞Cl^﹣

④稳定性HCl＞H₂S⑤酸性HCl＞H₂S⑥H₂S+Cl₂=S↓+2HCl

⑦2Fe+3Cl₂ $\underset{\_}{\underset{\_}{△}}$ 2FeCl₃Fe+S $\underset{\_}{\underset{\_}{△}}$ FeS

⑧Cl₂与H₂在光照或点燃下反应，而硫与H₂加热下才反应．

如图，在平面直角坐标系中，菱形ABCD的顶点C与原点O重合，点B在y轴的正半轴上，点A在反比例函数y=$\frac{k}{x}$（k＞0，x＞0）的图象上，点D的坐标为（4，3）．

用棋子摆出下列一组图形：

按照这种规律摆下去，第n个图形用的棋子个数为（   ）

    Susan is 14 years old and she is an American girl. She is one of my best friends. She is interested in Chinese and good at it. Every summer she travels with her parents. She believes（相信） that traveling is an important part in her life. She likes London best because it is both clean and beautiful. She knows that China is a large country with lots of interesting places. This July, her family are coming to China. I am very happy to know that they will first come to my city. They will stay here for three days. I will take them to visit the city. Then they will fly to Beijing. I am sure they will have a nice time in China.

某市今年12月份1﹣10日最低气温随日期变化的折线统计图如图所示，那么该市这10天最低气温在0℃以上（不含0℃）的天数有____天．