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【单选题】
AT89S51 单片机是( )位的单片机A.
8
B.
16
C.
32
D.
64
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【简答题】The doctor's waiting room is full of s waiting to have their pets ________ (inoculate)
【简答题】完型填空。 In the doctor's waiting room, sick men and women were sitting on the chair. Bob, a school boy, was among them. They all looked very sad 1 Bob. He lost himself (沉浸于) in an 2 story in a magazine. ...
【简答题】阅读理解。 Sick men and women were sitting on their chairs in the doctor's waiting room. They all looked sad except Tom. He was playing with some cards. Just then the doctor came to say he was ready for th...
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