Today is Sunday. The weather is fine. I go to the zoo with my parents. There are many animals at the zoo. Look！The pandas are eating bamboos(竹子) slowly. Two ducks are swimming in a lake. Two elephants are walking and a tiger is sleeping. I like monkeys best. They are jumping here and there. They like eating bananas. They are clever. Look! The bear is eating meat.
A. walking  B. swimming C. eating D. sleeping E. jumping

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标有“36V7．2W”和“12V1．2W”字样的甲、乙两灯，将它们串联后接在电源上，其中一盏灯泡能正常发光，则正常发光的灯泡是____（选填“甲灯”或“乙灯”），另一盏灯的实际功率是____．（灯丝电阻不变）