已知集合且A中至少有一个奇数，则这样的集合有（  ）

该地防御此类地质灾害的主要措施是( )

①提高植被覆盖率 ②修建水利工程 ③修建护坡工程 ④清除河道淤泥

（2015秋•固镇县期末）小罗的哥哥准备跑长途货运，小红打算送给哥哥一幅地图，你认为她最好送哪种地图（  ）

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.

五年级学生捐款比六年级少150元，六年级捐款是五年级的1.6倍．五、六年级各捐多少？