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【简答题】
DES算法的密钥为（）位，实际加密时仅用到其中的（）位。
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皮皮学刷刷变学霸
举一反三
【单选题】How does Janet feel about going to the play?
A.
She loves going to the theatre and wants to see Mark acting.
B.
She loves seeing the play because she wants to see something so fascinating during her stay in Oxoford.
【单选题】The train is just _______ the station, so we shall be in time to meet her.
A.
pulling out
B.
pulling into
C.
pushing out
D.
pushing into
【简答题】读“地球上的五带示意图”，完成下列要求： （1）图中字母代表的五带的名称 A、______； B、______； C、______； （2）请在图中括号内分别填写“有”或“无”．
【简答题】John Smith was an old porter. He worked at the station. Every day he was busy carrying heavy things for the people. He was careful with his work. He was kind to everyone. He was always ready to help o...
【简答题】The train has just left is for Wuhan.
【简答题】读下图，请在赤道上用箭头画出地球自转方向。
【简答题】How does Kate try and make Janet feel better?
【简答题】阅读教材相关内容，学会设计并制作一个生态瓶。
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