秋：①危急存亡之秋____        ②春种秋收____

遗：①以光先帝遗德____        ②先帝简拔以遗陛下____

效：①托臣以讨贼兴复之效____        ②夙夜忧叹，恐托付不效____

良：①此皆良实____       ②家富良马____        ③此悉贞良死节之臣____

中：①先帝创业未半而中道崩殂____           ②宫中府中____

——Do you know ____________ the population of China is?
——Yes, it has the __________ population in the world, about 1.3 billion.