下列不能进行蒸腾作用的器官是（   ）

材料一：美苏冷战虽已离我们远去，但我们无法否认它在国际关系史中的重要地位。美苏冷战是在对抗与缓和的交替中进行的，在欧洲是真正意义上的冷战，而在亚洲则充满了火药味。

——《冷战风云》世界知识出版社

材料二：《时政评说》：“‘冷战’结束后，美国成为世界上唯一的超级大国，它依仗自己的实力与地位，要建立一个由美国领导的、以西方价值观念为准绳、以北约军事力量为后盾的单极世界……因此，‘多极’与‘一极’之争将持续一个相当长的时期，真正意义上的世界多极格局的形成尚需待以时日，多极化作为不可逆转的趋势将在曲折中取得发展。”

“全面实现小康，一个民族都不能少” 。这体现找国处理民族关系的原则是（）

    Last summer, Tina's parents needed to work in another city for a month. And Tina had to stay 1 Aunt Betsy in California.

    Tina never saw Aunt Betsy before, 2 she was a little nervous(紧张的). Aunt Betsy told her the 3 in California was hot, so Tina put some shorts and T-shirts in her bag. She 4 put some books in her bag because she enjoyed reading. Her favorite 5 were about horses(马).

    When the 6 came, Aunt Betsy picked up(接) Tina. On the way to Aunt Betsy's house, Tina 7 many horses in the fields(牧场). Tina liked 8 very much and she wished she could have a horse some day.

    When they 9  Aunt Betsy's house, Tina saw a big picture on the wall. It was about a tall brown 10! Aunt Betsy was in the 11, and she was sitting on the horse.

    “Do you 12  the horse? Her name is Lucky. Usually, I visit her 13 a week, every Saturday afternoon for an hour. We can go 14 together this weekend,” said Aunt Betsy.

    Tina felt 15 because her aunt and she had the same hobby. It was going to be a wonderful holiday.

①美丽的小鸟；

②不超过10的非负整数；

③立方接近零的正数；

④高一年级视力比较好的同学．