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【判断题】
有两个点电荷,带电量分别是 和 ,两者之间的相互作用力的大小是 。当两者无限靠近时(即 ), ,这是库仑定律的结论。A.
正确
B.
错误
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【简答题】第二节完形填空（共20题，满分20分） About three years 30 , something terrible 31 to me. 32 six hours of terror have broken my body and 33. You think I am a very 34 man—but I am not. It 35 less than a single day to ch...
【简答题】第二节 完形填空（共20小题；每小题1.5分，共30分） As a ager, I felt I was always letting people down. I rebellious(叛逆)on the outside, __16__ on the inside I wanted people to __17__. Once I left home to hitchhike(搭便车)t...
【简答题】第二节：完形填空（共20小题，每小题1.5分，共30分） It was on a winter morning, near Oxford, Maryland, that I set the breakfast table beside the huge window, which __36__ the Tred Avon River．The snow decorated the shore in ...
【简答题】第二节．完形填空（共20题，每小题1分，共20分） There was a blacksmith(铁匠) who wasn't satisfied with his work. Once he complained, “I am not well and my work is too warm. I want to be a ____36____ on the mountain. There it...
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【简答题】第二节：完形填空（共20小题，每小题1.5分，共30分） A lesson in caring It was a cold evening and my daughter and I were walking up Broadway．I didn’t notice a guy sitting inside a cardboard box．But Nora did．She wasn’t even f...
【简答题】第二节完形填空 (共20小题；每小题1.5分，满分30分) A fisherman was lying on a beautiful beach and enjoying the warm sunshine with one end of his fishing pole (鱼竿) placed in the sand. Then a 21 came walking down the beach ...
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