Tom is seven . He goes to school every day .The school is near his home , so he goes there on foot and comes back home on time . But today he is late .his mother asks his , “Why are you late today?”“I am in the headmasters office?”“Why do you go the headmaster's office?”“Because my teacher asks us a question in the class , nobody (没人)can answer(回答)it , but I can .“It's good to answer the teacher's question.”“But the question is who pus ink on my chair.”

文学常识填空。

《雪》选自《____》，作者是鲁迅，本学期我们还学过他的另一篇作品是《____》。

下列有关我国的荒漠与世界荒漠的说法，正确的是   (      )

用计算器比较$\frac{\sqrt{5}-1}{2}$与$\sqrt[3]{0.23}$大小．

解：$\frac{\sqrt{5}-1}{2}$按键：

显示：____ ；

$\sqrt[3]{0.23}$按键：

显示：____ ；

所以$\frac{\sqrt{5}-1}{2}$　____ 　$\sqrt[3]{0.23}$（ 填“＞”或“＜”）