一. 请将下列句子翻译成汉语: 1. The key to our room was attached to a large plastic block with the room number on it. 2. Because the key slot was narrow, the key had to be positioned carefully to fit into it. 3. I soon realized that this incident was directly relevant to our assigned tasks in China. 4. With a few exceptions my Chinese colleagues displayed the same attitude as the staff at the Jinling Hotel. 5. We did not much care whether Benjamin succeeded in inserting the key into the slot.