On a broad daylight, a man was found dead on a heavily-trafficked street and no one knew what had happened to him. A.busyB.prosperousC.desertedD.wide正确答案：busy

He did not panic and run, but merely attempted to stroll away. A.fleeB.rushC.walkD.hurry正确答案：walk

Though many people still enjoy browsing in the mall, the average consumer spending rate has dropped by 12%. A.walking aroundB.shopping aroundC.looking overD.reading over正确答案：shopping around

The company has had a successful year and hopes to maintain its momentum by introducing new products. A.great successB.increasing marketC.healthy atmosphereD.advancing strength正确答案：advancing strength

It was a coincidence that their baby was born on the birthday of his mother. A.It was by accidentB.It was by mistakeC.It was by meansD.It was by birth正确答案：It was by accident

The first electronic computer in 1945 was so bulky that it filled a large room and weighed 30 tons. A.large and heavyB.complicated and roughC.powerful and strongD.heavy and powerful正确答案：large and heavy

Jean left her bag in the train when she got off yesterday, but she was lucky to（）it from the Lost and Found at the station today. A.catchB.retrieveC.ripD.clutch正确答案：retrieve

The government set up a special committee to（）the financial loss after the earthquake. A.assessB.guessC.predictD.calculate正确答案：assess

I can only hope my words will express my depth of（）to Dr. Scott Watson for his help with my research. A.congratulationsB.gratitudeC.satisfactionD.insurance正确答案：gratitude