灾难压不垮坚强的中国人!在汶川、玉树和雅安地震中，多少人创造了生命的奇迹，多少人把生的希望留给别人，多少人伸出了援助之手，多少人忙碌在救灾现场，多少人用微笑面对灾难……
Lucy and Tim have a very nice trip to Hangzhou. They arrive in Hangzhou at 3:00 in the afternoon. They see many people at the train station. Some women are sitting and talking. Some men are walking. They go to the West Lake(西湖). They take many pictures. They also go shopping. They buy many gifts for their friends.
根据短文内容，回答问题。
“当你气恼时，先数到十；假如怒火燃烧，那就数到一百。”这种调节情绪的方法，属于 方法。（ ）
若基因中部的某个碱基被其它碱基替换，可能的后果不包括
将一个写有字母“b”的玻片放在显微镜下观察，看到的物像是（ ）
海洋等温线图中AB处有一洋流经过，则该洋流是（ ）
