词汇知识
c____________ famous person
p____________  someone who takes photographs professionally
u____________   all space，including all the stars and planets
s____________  a member of a ship’s crew
o____________  a path followed by a planet，star，moon，etc.round another
body
f____________  journey made by air，esp.in an aircraft on a particular  
route
c____________  an expression of pleasure at the success or good
fortune of another
a____________  on or onto a ship，plane，or train
w____________  to say hello in a friendly way to someone who has just
arrived
a____________  something important that you succeed in doing by your  
own efforts