July 4 is the birthday of the United States of America. Since 1776, people have 1 the Independence Day holiday every year.
   What do people 2on Independence Day? Many colorful and interesting things. They have fireworks shows in the evenings and sing songs. Some families organize picnics with barbecues (烧烤). Kids can3much delicious food like hotdogs.
   And these parties are a good time to dress up. Some kids make July 4 hats 4 the stars and stripes(星条) of the country's flag on them. And Independence Day is in summer. Many kids use stars and stripes fans to keep themselves 5 .
   It's a great day, but no one forgets that it's6too. US people are proud of their   7  and proud of what the founders did for it. On Independence Day everyone gets the chance to show it.

2015年8月27日，十二届全国人大常委会第十六次会议分组审议《代表法修正案(草案)》，车光铁委员提出，此次修改代表法，针对人大代表述职制度、履职监督、奖优罚劣、退出机制等内容，作出明确规定，有效激发人大代表履职的活力和动力。这表明（  ）

①全国人大常委会享有立法权                  ②人大代表行使提案权，坚持对人民负责

③人大代表有权监督政府的行为                ④人大代表行使政治协商、参政议政职能