The All-Russian Exhibition Center in Moscow now begins to sell authentic cosmonaut food to the public,the state-run Sputnik news service reported.It is marketing the cosmic cuisine in toothpaste-like tubes."Visitors will have (1) c______to try a full-course cosmonaut menu,including four kinds of soups,various meat dishes and a (2) v____ of desserts,and there will be eleven variations of tubes,each tasting like a different kind of food," the Sputnik news service said.