2016年12月08日，国务院出台《进一步加强东西部扶贫协作工作指导意见》，强调对西部贫困程度深的适当增加帮扶力量，实现对30个少数民族自治州的全覆盖，协调新增东部城市帮扶，实施携手奔小康行动。这样做（    ）

①不利于东部地区的发展                 ②有利于各民族共同发展

③有利于国家的繁荣与稳定               ④有利于消除各民族之间的差异

已知，则二项式展开式中的系数为

综合性学习。

      射阳县实验初中初三（1）班举行了主题为“名人风采”的综合性学习活动，请你积极参加。

下列各项应用中，主要利用细胞呼吸原理的是（　　）

①贮存种子  ②果蔬保鲜  ③中耕松土  ④稻田定期排水  ⑤合理密植

⑥糖渍、盐渍食品  ⑦用透气的消毒纱布包扎伤口  ⑧间作、套种

读短文，判断对错。
    Hello, everyone! My name is Kate. I come from France. Now I'm in China with my parents. I'm a student of No. 2 Middle School (第二中学). The teachers there are very friendly (友好的) to me. The students there are friendly, too. I like them very much. Look at that tall man! He's my father. He has big eyes and a big nose. He's handsome. He is a doctor. He often helps people in need. That beautiful woman is my mother. She has long hair and big blue eyes. She's a nurse. My parents and I all like China very much. The Chinese food is very yummy. The Spring Festival (春节) is coming. We will spend (度过) the Spring Festival in Beijing.