U5 P25单词解析1. Why引导的特殊疑问句why是疑问副词，意为“为什么”，用来询问原因、理由，一般由why+一般疑问句构成特殊疑问句。一般用Because、（因为、）来回答。eg:Why is he here? Because he wants to learn well. Why do you like English? Because I think its interesting.2.zoo动物园 go to the zoo去动物园Welcome to the zoo。欢迎来到动物园in the zoo在动物园3.elephant大象an elephant一头大象An elephant is the biggest animal in the world.大象是世界上最大的动物。4.animal动物Pandas are my favorite animals.熊猫是我最喜欢的动物。4.cute可爱的，机灵的I like koalas because they are cute.我喜欢考拉，因为他们很可爱。5.lazy懒散的，懒惰的 be lazyI dont like lions because they are lazy.我不喜欢狮子因为他们懒懒的。6.beautiful美丽的，美好的I like giraffes because theyre beautiful.我喜欢长颈鹿因为他们美丽.7.first第一的Lets see the pandas first. 让我们先看熊猫吧。He is the first to go to school.他是第一个到校的.