Unit 1 How can I get there,第一课时,Lets learn,博物馆,museum,science museum,科学博物馆,邮局,post office,书店,bookstore,电影院,cinema,医院,hospital,riddle(谜语,1.We can send a letter in the ( ) . 2.We can see the films at the ( ). 3.If we are sick, we should go to the ( ). 4.We can watch a dinosaur show in the ( ). 5.We can buy some books in the (,A puzzle 1.We can send a letter in the ( post office ) . 2.We can see the films at the ( ). 3.If we are sick, we should go to the ( ). 4.We can watch a dinosaur show in the (