Ⅰ.完形填空
(2020·济宁高三模拟)FedEx driver Ari Kadin was making his rounds near a pond in  Rockwall, Texas. Suddenly, he heard a       1     sound, just like a  cry for help. About 15 feet from the frozen banks was the       2       of  that cry—a brown and white dog,     3      to grasp a thin layer of  ice.An elderly man had already come to her      4    . He'd entered  the pond in a rowboat and was breaking the ice with a rock to       5     a path to the dog. It was      6      going, and Kadin, 42, thought he stood a better      7    .
Kadin slid to go      8      the rowboat and used the elderly man's  rock to hit the ice      9    , only to slip off the boat, falling into 16 feet of freezing water. He     10      in time to see the dog going under.  He swam about five feet towards her,     11      her collar, and pulled  her to the ice. He then      12      the dog into the boat and slid it back  to the shore, where      13      bystanders rushed the dog to the home of  the rowboat owner, a retired vet. A few more minutes in the pond,  the vet told Kadin, the dog would have likely      14     cardiac arrest (心脏停搏).
 The next day, Kadin was back working in the same neighborhood when the dog jumped on him and       15      him in wet kisses.  “That special delivery was the highlight of my FedEx career,” says Kadin.