A:来自G1期细胞的染色质开始复制
B:融合细胞DNA含量是G1期细胞的2倍
C:来自G1期细胞的染色质开始凝集
D:融合后两细胞仍按各自的细胞周期运转
____ We make (玩具)in the factory for children from 1 to 5 years old.____ Mr. Wang enjoys r newspapers in the morning.____ He is a police man .It's a (危险的) job.____ I think giraffes are good-looking, but lions are u__________ .____ There is much ________ (雨)here in summer.____ My mother is l_________ on the beach.____ What s_________ skirt would Joe like?____ He is from France. He speaks F________ . ____ The park near my home is very d_________(脏), I don't like to go there.____ There are three (小偷)in the police station.
①有利于青少年了解我国的基本政治制度这一当家作主的最高实现形式
②有利于当地人民更好地参政议政,增强民主意识
③为青少年关注国家发展,关心家乡建设提供了平台
④可以帮助青少年了解、体验我国人大代表参政议政的各种议程
日常生活中声音的“高”与“低”,其物理意义是不同的,有时指音调,有时指响度,例如:一名男低音歌手正在放声高歌,这是的“低”指的是____;“高”指的是____。成语“震耳欲聋”,从声音的特性分析,描述的是____的大小。