concern n.(Para. 12)
A.worryB.careC.involvementD.null正确答案：care
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On a broad daylight, a man was found dead on a heavily-trafficked street and no one knew what had happened to him.
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.
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%.
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.
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.
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
