下列方程式中错误的是（  ）

设$x$表示不大于x的最大整数，则函数$f\left(x\right)=l{g}^{2}x-lgx-2$的零点个数(     )个

下列植物结构中，属于器官的是（　　）

    It is a one-day life of Wei Hua. She gets up before 7:00 in the1 and quickly2her face. She goes to school early. She3hard（努力地） in class（在课堂上） all day.She4basketball after school, and then5home.

    Wei Hua's6is  broken(坏了) in Maths lesson, so he needs a new one. On her way home（在回家的路上）, she buys a new pen at a7When she8home, she has a short9After that she10her parents. She cooks supper and11the house.

    She watches TV for half an12after supper. Then she starts her homework. She finishes it13half past nine. She goes to14before a quarter to ten. How15Wei Hua is!