I like taking photos very much. Once I travelled by ship ____ a cloudy morning. It was in the afternoon____the weather turned fine. Therefore, I wanted to take some ____(photo). I was looking around and I saw next to me a lovely little girl sitting on her father's shoulders.____was lucky for me ____(meet) such a perfect moment—the girl was smiling and the surrounding view was beautiful. Without ____（think）, I took a picture of____little girl at that moment.

    Her mother was____(surprise) that a stranger was photographing her daughter. I explained that I was moved by that sight and showed them the photo on my digital(数字的) camera. They loved it very much. I said I could email it to them when I got home.____ (Final), they gave me their email address. The next day, I ____(send) them their daughter's photo as I had promised.

实验室用的药品有的有毒，有的有腐蚀性．为了安全在实验室使用药品时应做到“三不”：不能 ____，不要 ____，更不能 ____．

步骤一,取生理状态相同的六只小白鼠,平均分成甲、乙两组。

步骤二,甲组的小白鼠不做任何处理,取加热杀死的肺炎球菌注入乙组的小白鼠体内,过两周后再分别向甲、乙两组小鼠体内注入活的肺炎球菌。

步骤三,观察实验结果。甲组的小白鼠死亡,乙组的小白鼠存活。

请回答以下问题。

— ______________? 

— I can't find my English book.

孔子曾提出过“君子和而不同”的思想，意思是“和谐而又不千篇一律，不同而又不互相冲突”，运用这种思想处理不同社会制度国家间关系取得成功的范例有(     )