8B Unit3(第3课时)练习
Ⅰ. 根据首字母或所给词适当形式填出所缺单词。
1.You can m________ the m________ with your hand to move the cursor on the screen.
2.A flat piece of plastic for storing information is called f________ d________
3.We can see words and pictures on the s________.
4.The channel is________ , let’s change the channel. (bored)
5.The computer is used for ________ (draw) the pictures.
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