受地形因素影响，气流在翻过山岭后，空气变的干燥温暖，因此减少病虫害的发生，提高洋葱的产量。若仅根据上文的条件判断，则右图中甲、乙、丙、丁何处最适合洋葱栽种的是

青春是一只唱着歌的鸟儿，在我们最美丽的生命季节欢唱；青春是一段美妙的旋律，弹奏人生最美的乐章；青春是流泪的欢笑，花季雨季总有淡淡的忧伤；青春是一帘动人的梦境，梦里梦外总是豪情万丈。

请以“我那                             的青春”为题，写一篇文章。

要求：（1）请把题目补充完整，例如：快乐、无悔、动人、美丽、忧伤、忙碌……（2）除诗歌外，文体不限；（3）不少于600字。

    Dan and Kim are friends. Dan lives in an apartment downtown(市中心). It is very convenient to go to work or go shopping, but it's too noisy. There is a lot of traffic. Sometimes Dan can't stand(忍受). Kim has a house in the suburbs(郊区). It's not convenient to go to work or go shopping, but it's very quiet. There is not much to do. In fact, nothing ever happens.

    Dan and Kim have a good idea. They decide to trade(决定交换)places one week.