已知集合$A=\left\{x|x-1<0\right\},B=\left\{x|0\le x<2\right\}$，那么$A\cap B$等于（   ）

两个相似五边形，一组对应边的长分别为3cm和4.5cm，如果它们的面积之和是78cm²，则较大的五边形面积是（　　）cm²．

阅读下面短文，在空白处填上一个适当的单词。（首字母已给出）

    This is a supermarket. It is new and big. You can buy m____ things here. You can buy food and d____ You can buy fruit and v____ You can buy school things like pens, pencils, pencil sharpeners and so on. You can a____ buy clothes here. You can buy fridges and washing machines, t____ .

  The supermarket is o____ 12 hours a day. There are often many p____ there. The shop a____ work very h____ and they are f____  too. They like to help everybody. I like the supermarket.