课件8张PPT。Unit 1London is a big cityThis cat is tall, but that one is short.This ship is big,
but that one is small.shipWhat's this?beautifulWhat's this? It is Beijing.
It's very big and beautiful.
What's this?It's London.
It's very big and beautiful.Whose house is it?It's the Queen's house.
It's big and beautiful. What's this?
It's a book about English.