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【判断题】
密钥是加密和解密的第一步。A.
正确
B.
错误
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举一反三
【简答题】The sun went down when an old man came to a small mountain village with a heavy bag. He found an inn(小旅馆) and wanted to stay there for the night. After he had gone to his room, the owner of the inn sa...
【单选题】While a current is flowing through a wire, the latter is being heated.
A.
电流流过导线时， 导线就会同时被加热。
B.
电流流过导线时， 导线就发热。
【简答题】Mr. and Mrs. King have lived in our town for nearly twenty years. They have a bookshop by the bus station. They’re 1 to everybody and have a lot of friends. They often 2 the poor students and sell th...
【简答题】Do you know the book called Cat Found? It’s written by Ingrid Lee. The book is about helping cats. Billy is a boy and he lives in a small town. There’re a lot of stray(流浪的) cats in it. People don’t li...
【简答题】While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth. A．now and then B．over and over C．up and down D．here and there
【简答题】While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth. A now and then B.over and over C.up and down D.here and there
【简答题】I live in a big city with a lot of homeless(无家可归的) people. Luckily there’re small ways of helping them and you needn’t have a lot of 31 . One way to help is to buy their monthly magazine. By doing thi...
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