航天人在为我国航天事业发展的拼搏中，留下的“热爱祖国、无私奉献、自力更生、艰苦奋斗、大力协同、勇于登攀”的“两弹一星”精神，将永远激励着今天的中国航天人努力奋斗。从文化生活的角度看，“两弹一星”精神（   ）

①营造了良好的文化环境  ②是民族文化的集中展示  ③增强了人们的精神力量④可以深远持久地影响人

    Hello, everyone. I am going to tell you something about my family I ____ from England. I am good at ____ (play) badminton. I like my school. My classmates are all very ____ (friend). But I don't like to talk with others very much. I am a little shy. So I want to make friends with people who are different from me.

     My brother Tom is a tall and nice boy. He plays basketball well at school. He wants to ____ a basketball player when he grows up. My sister Rose's favourite hobbies are swimming and dancing. ____ dream is to be a dancer.

我国是裸子植物最丰富的国家，被称为“裸子植物的故乡”         （    ）

在用显微镜观察人的口腔上皮细胞的实验中，下列说法正确的是（　　）