SINGLE LIFE TN' ON Ly S p o r Bi Nearly 1,000 of Detroit's Jewish singles knew the only place for fun and friends was the area's annual Dec. 24 bash. RICHARD PEARL Staff Writer Deejay John Sarver gets them out on the dance floor, to the approval of Teri Adelberg and Deena Cohen. 98 FRIDAY, JANUARY 12, 1990 W by don't they have these things more often?" asked Ron Lowy as he scanned the crowd. His reaction was typical of many in the throng of nearly 1,000 Detroit Jewish singles who gathered Dec. 24 at the Maple-Drake Jewish Community Center for the annual "Only Spot in Town Dance." Co-sponsored by the JCC and The Jewish News, the dance offered snacks, drinks and a wide range of music — from rock to rap, sw- ing to cha-cha — by disc jockey John Sarver. It was an effort to provide a place where Jewish singles of all ages could gather and enjoy themselves. And judging from the reaction, the effort was successful. "Look at all these people — I've never seen such a crowd," said Lowy, a Southfield resi- dent attending his first "Only Spot" dance. "I'm sure there could be more of these and people would come," he said between dance sets. The gathering Dec. 24 drew singles rang-