①成为中华民族由衰败到振兴的转折点
②标志着中国新民主主义革命已经取得伟大胜利
③结束了被侵略被奴役的历史,中国真正成为独立自主的国家
④标志我国开始进人社会主义社会
A:①②
B:②③
C:③④
D:①④
I ____ and saw the teacher ____ the door.
— Do you know about the Statue of Liberty?
一 Yeah, it is famous around the world.
与元素的化学性质关系最密切的是( )
根据句意和汉语注释,写出单词的正确形式。
Parents sometimes have difficulty understanding the strange ____ (think) in their children's mind .