函数f（x）=$\left\{\begin{array}{c}x+1,x\le 0\\ {\log }_{2}x,x>0\end{array}\right.$，则函数y=f（x）+1的所有零点构成的集合为____ 

依次填入下面横线处的句子，与上下文衔接最恰当的一组是（）

    我独坐在书斋中，忘记了尘世间一切不愉快的事情，怡然自得，以世界之广，宇宙之大，此时却仿佛只有我和我的书友存在。           ，          ，          ，         。

①阳光照在玉兰花的肥大的绿叶子上

②连平常我喜欢听的鸟鸣声“光棍好过”，也听而不闻了

③窗外粼粼碧水，丝丝垂柳

④这都是我平常最喜爱的东西，现在也都视而不见了

    This is Kate Smith. She is 13 years old. She lives in Guangzhou. She studies in No.10 Middle school. Her parents work there. They are both English teachers. They are form the UK. She likes eating junk food. She doesn't like playing sports. She has one healthy habit: She sleeps for 9 hours every night.
    Kate Smith has a brother. His name is Jack Smith. He is 11 years old. He doesn't eat junk food. He likes playing sports. He often runs, plays basketball, and goes swimming. He eats fruit every day. He likes eating vegetables. But he has an unhealthy habit: He sleeps for 6 hours every night.