（1）What does the boy want to be when he grows up？
A． Scientist．
B． astronaut．
C． Model plane maker．
（2）Where has the boy ever been？
A． The space
B． The space museum
C． The space station．
（3）Where does the conversation（对话） take place？
A． On the bus．
B． In the street．
C． In the museum．
（4）Where is the space museum？
A．Next to the hospital．
B．Behind the bank．
C．Next to the bank．