蓄电池的充电过程是把（）能转变为化学能。
题型：填空题
问题：
蓄电池的充电过程是把（）能转变为化学能。
题型：填空题
完形填空（共20题，每小题1.5分，满分30分） 阅读下面短文，从短文后各题所给的四个选（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答案标在答题卡上。 A farmer had a cow（牛）. He 36 very good care of this cow and one day when it was ill. He was very _ 37 . He telephoned the vet（兽医）. “What’s the problem?” the vet 38 him when he arrived. “My cow is ill,” the farmer said. “I don’t know what’s the matter 39 her. She’s lying down and won’t_ 40 up. She won’t eat, and she’s making a strange 41 .” The vet looked at the cow. “She’s certainly ill.” he said, “and she needs to take some very strong 42 .” He took a bottle out of his box, and put two pills（药丸）into his 43 . “Give her these,” he said. “The pills should make her 44 .” “ 45 should I give them to her?” the farmer asked. The vet gave him a 46 tube（管子）. “Put this tube in her mouth, ”he said, “then put the pills in the 47 and blow(吹). That’ll make it.” The vet went 48 . T  he next day he came to the 49 again. The farmer was sitting outside his house and 50 worried.“How’s your cow?” the vet asked. “No 51 ,”the farmer said. “and I’m feeling very well myself.” “Oh?” the vet said.“ 52 .” “I did 53 you said,” the farmer answered.“ I put the tube in the cow’s mouth and then put two pills 54 it.” “And?” the vet asked. “The cow 55 ,”the farmer said.
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