如图所示的简单机械,在使用中属于费力的是( )
A: 镊子
B: 斜面
C:自行车把
D:滑轮组
My name is Zhang Peng. I have a friend. His name is John. He has a grandpa and a grandma. They are seventy years old. They are at home. John's father works in a school. His mother is a doctor. John is a good student. They are very busy. They all get up early in the morning. John often helps his grandparents cook breakfast. There is a big garden and many young trees in front of his house. We can play games there. It's great.
①只有坚持党的集中统一领导,才能坚持和发展中国特色社会主义
②依法执政是***执政的基本方式
③它是保持党和国家事业发展正确方向的根本保证
④全体党员都要向党中央看齐,向党的理论和路线方针政策看齐,向党中央决策部署看齐
举____闻名
____南____北
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