根据题意填空。

    There's a big supermarket called Jiahui in our city. It's very 1 to find. It is in the center of our city. It's2 the bus stop and it’s also very easy to take a taxi, too.
    The supermarket is big3nice. It4 at 8:30 a.m. and closes at 10 p.m. So every day, lots of people go5 at it 6work. You can buy 7, drinks, clothes, shoes, vegetables,…and stationery there. The workers at the supermarket are very 8 . So many people like shopping there.
    At the weekend, people don’t go to work or go to school, so there are 9 people shopping there. We must10 our turn a long time to pay for what we buy.

公元前356年，“卫鞅”在“孝公”支持下开始变法。这一天，在咸阳城内，一名官员正在向下面围观的人群大声宣读变法法令：“一、承认土地私有，允许自由买卖。二、按照在前线杀敌的军功大小，授予爵位和相应的耕地、住宅和官职，没有军功，就不能享受贵族特权。三、凡是努力从事农业生产，多缴租税者，免其徭役。四、建立县制，全国划分31个县，由国君直接委派官吏管理。”听了这些法令，人群中议论纷纷……
请回答：
（1）文中“卫鞅”指的是谁？“孝公”是哪国国君？
（2）如果你处于当时社会，假设自己是新兴的封建地主阶级、奴隶主旧贵族、农民，你会对以上哪些措施有看法，是欢迎还是反对？请说出理由。
 ( 3 )根据材料可推断出“卫鞅”的变法主张属于哪家思想学派?此次变法影响如何？
（4）后来商鞅被守旧的贵族诬告“谋反”，被车裂而死。请你说一说，商鞅变法是成功了，还是失败了？通过这段历史的学习，你有何感想呢？

There are five ______________ books in the room.

从4个班级的学生中选出6名学生代表，若每一个班级中至少有一名代表，则选法总数为（　　）