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寒假里的一天，天气特别寒冷，室温为10℃．晚餐后，小红要帮妈妈洗碗，妈妈让她烧些热水洗，她家电热水壶部分铭牌如图．若在壶中装满一壶室温下的水，接在家庭电路中工作3.5min，可产生热量______J，能将水加热至______℃；小红发现用热水洗涤满是油污的碗碟效果特别好，这是由于水温超过了油污的熔点，而使油污______的缘故． 额定电压 220V 额定功率 1000W 频率 50Hz 容积 1L
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【简答题】My father brought home a sailboat when I was ten, and almost each Sunday in summers we would go sailing. Dad was quite skilled in sailing, but not good at 36 . As for me, I 37 both before twelve becau...
【单选题】According to the information given in the passage, if two 20-year-old twins lived on earth, and one of them left on a journey for Alpha Centauri at very close to the speed of light, then managed to su...
A.
Her great-grandmother
B.
Her twin at the age of 20
C.
Her twin at the age of 40
D.
Her twin at the age of 60
E.
Her twin's great-grandchildren
【简答题】The hippo(河马) is the most erous animal in Africa, but that hasn’t stopped a South African animal lover from friends with one. Marius Els is 40 years old. He ______ around 20 different kinds...
【单选题】下列VIN（VehiC、leIDentifiCAtionNumBer）车辆识别代号第一部分WMI码中第一位表示该车辆是法国生产的是（）
A.
S
B.
I
C.
E
D.
F
【简答题】A woman was walking her dog along a beach in New Zealand in late June when she saw something that looked like a white ball in the sand. It turned out to be a young Emperor penguin that was lost. At hi...
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