题目

       Two weeks after the Second World War(战争) began, Peter wanted to join the army(军队), but he was only 16 years old, and boys were allowed to join only if they were over 18. So when the army doctor examined him, he said that he was 18. But Peter's brother Bill had joined the army a few days before, and the same doctor had examined him, too. This doctor remembered Bill's family name, so when he saw Peter's papers, he was surprised.      How old are you? he said.      Eighteen, Sir. Said Peter.      But your brother was eighteen, too. said the doctor, Are you twins? 阅读下面古诗，按要求完成1—3 题。                                      蒹葭  蒹葭苍苍，白露为霜。所谓伊人，在水一方。溯洄从之，道阻且长。溯游从之，宛在水中央。  蒹葭萋萋，白露未晞。所谓伊人，在水之湄。溯洄从之，道阻且跻。溯游从之，宛在水中坻。蒹葭采采，白露未已。所谓伊人，在水之涘。溯洄从之，道阻且右。溯游从之，宛在水中沚。 1、这首诗歌中运用了景物描写，这些景物描写向我们展示了一幅怎样的画面? ________________________________________2、你如何理解这首诗所抒发的感情？________________________________________3、重章叠唱是《诗经》典型的艺术特色，请简要分析这首诗重章叠唱的表达效果。________________________________________