同样

Practice 13  (1) Actually, the world’s birth rate is falling. But so is death rate, as medical advances have made it possible for man to live longer than before. Such advances have also reduced baby death rate. (2) Unless population growth is reduced, the

Practice 13  (1) Actually, the world’s birth rate is falling. But so is death rate, as medical advances have made it possible for man to live longer than before. Such advances have also reduced baby d

习近平强调,“历史是最好的教科书”,“历史的经验值得注意,历史教训更应引以为戒”,“中国革命历史是最好的营养剂”。人们能从历史中汲取经验教训,是因为(  )。

习近平强调,“历史是最好的教科书”,“历史的经验值得注意,历史教训更应引以为戒”,“中国革命历史是最好的营养剂”。人们能从历史中汲取经验教训,是因为(  )。