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【简答题】
刀具去锈的方法有哪几种
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举一反三
【单选题】I’m examining the composition he finished ______ the possible mistakes init.
A.
to correct
B.
correct
C.
corrected
D.
correcting
【简答题】若MCS-51单片机采用12MHz的晶振，它的机器周期（），ALE引脚输出正脉冲频率为（）。
【单选题】听力原文：W: Have you found anything wrong with my stomach? M: Not yet. I am still examining. I'll let you know the result next week. Q: What is the probable relationship between the man and the woman? (14...
A.
Husband and wife.
B.
Father and daughter.
C.
Doctor and patient.
D.
Teacher and student.
【单选题】I ’ m examining the composition he has just finished ______ the possible mistakes in it.
A.
correcting
B.
to correct
C.
corrected
D.
Correct
【单选题】I'm examining the composition he was finished___the possible mistakes in it.
A.
to correct
B.
correct
C.
corrected
D.
correcting
【简答题】若MCS-51 单片机采用12MHz 的晶振,它的机器周期( ) μm ,ALE 引脚输出正脉冲频率为( ) MHz 。
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