阅读下面这首宋词，完成下列各题。

鹧鸪天▪寻菊花无有，戏作

辛弃疾

掩鼻人间臭腐场，古来惟有酒偏香。自从来住云烟畔，直到而今歌舞忙。

呼老伴，共秋光。黄花何处避重阳？要知烂熳开时节，直待西风一夜霜。

【注】此人渴望能够收复中原，展露才干，却遭奸臣谗害，被贬如今的江西上饶铅山云烟畔。

新制备的氯水，显____色，说明氯水中有____分子存在。向氯水中滴入几滴AgNO₃溶液，立即有____生成，说明氯水中有____存在。蓝色石蕊试纸遇到氯水后，首先变红，但很快又褪色，这是因为____。氯水经光照后，颜色逐渐消失，并放出无色____，该反应的化学方程式为____。

    Peter used to be a “problem child”, but a recent 1 with his mother changed his life. After his father's death, Peter's life became much more difficult. His mother had to2 and was often not at home.

    His mother looked after him as well as possible. But3 Peter still caused problems. He was not4in studying. His mother was very5 and didn't give up. In the end, she made a 6: to send him to a boys' boarding school.

    One day, Peter told his teacher he wanted to leave the school. The teacher said he must7 with his mother. Peter called his mother, but this phone call 8 his life. “My mother helped me to understand how much she had given me. ”

    Now Peter has really changed. He is now one of the 9students in his class. His mother's10helped him to feel good about himself.

阅读图文材料，回答下列问题。

材料一：非洲局部图。2014年8月13日，由中国援建安哥拉的本格拉铁路（洛比托—卢奥）全线完工，该铁路向东连接了著名的铜矿出口国赞比亚。安哥拉境内除蕴藏着丰富的油气资源外，还有钻石、铁、铜等矿产资源。

材料二：安哥拉区域图及①、②两地气候特征图。