II Listening Skills crashing into a building Italian investigators are trying to discover what caused a small private plane to crash into Milans allest building on Thursday, killing at least three, injuring dozens more and making a big hole in the 32-story building
Ⅱ. Listening skills W: How much money is the rent for an apartment in this neighborhood M: Your rent should be about a quarter of that Q How much should be the woman's rent be? 2. M: I paid $3, 500 for this digital camera. It was on sale at a 30$ discount w: Its a real bargain
Problem: Maintain a dynamic collection of pairwise-disjoint sets= {S1, S2, .. S } Each set S; has one element distinguished as the representative element, rep[]