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创建剪切蒙版的快捷键是（）
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【单选题】I can't sing _____ dance, but I can swim _____ skate. [ ]
A.
and, and
B.
or, or
C.
or, and
D.
and, or
【简答题】选择适当的介词填空。 on in of at for 1. They bring gifts ______________ us. 2. We sing special songs ______________ Christmas. 3. We put Christmas things ______________ the tree. 4. It is shinin...
【简答题】在采用公钥加密技术的网络中，A给B写了一份绝密文档，为了不让别人知道文档的内容，A利用（ ）对文档进行加密后传送给B。
【简答题】填空。 1. Han Mei enjoys ____ (sing) in English. 2. Let me help you ____ (find) them. 3. ____ (swim) is the best sport in summer. 4. Are you ____ (go) ____ (hike) this Sunday? 5. We decided ____ (go) f...
【单选题】I like sports, so I always ______ on the weekend. A. think B. swim C. draw D. sing
A.
think
B.
swim
C.
draw
D.
sing
【简答题】Catch Sing Swim Teach
【简答题】A．To sing a beautiful song for the party. B．To bring a piece of cake for the party. C．To bring his violin and play some music. D．To prepare their house for the party.
【简答题】实践操作题: 利用加密技术对Office文档加锁
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