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【多选题】
构成几何形体的基本元素的有A.
点
B.
线
C.
面
D.
体
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】MCS-51 单片机采用 12MHZ 晶振时, 它的机器周期
【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】听力原文：M: Have you found anything wrong with my stomach? W: I am still examining, I will let you know the result next week. Q: What is the most probable relationship between the two speakers? (14)
A.
Father and his daughter.
B.
Doctor and patient.
C.
Wife and husband.
D.
Student and teacher.
【简答题】MCS-51单片机采用12MHZ晶振时,它的机器周期(____),ALE引脚正脉冲频率为(____)。
【单选题】听力原文：W: Have you found anything wrong witi my stomach? M: Not now. I'm still examining. I'll let you know the result next week. What's the possible relationship between the two speakers?
A.
Doctor and patient.
B.
Husband and wife.
C.
Teacher and student.
D.
Father and daughter.
【单选题】I’m examining the article he has just finished _____ the possible mistakes in it.
A.
being corrected
B.
to correct
C.
corrected
D.
having corrected
【简答题】若MCS-51单片机采用12MHz的晶振,机器周期为( )。
【简答题】MCS-51单片机中,如果采用12MHz晶振,则一个机器同期为______us. 1. MCS-51单片机中,如果采用12MHz晶振,则一个机器同期为______us. MCS-51单片机中,如果采用12MHz晶振,则一个机器同期为______us. 1. MCS-51单片机中,如果采用12MHz晶振,则一个机器同期为______us.
【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. What is the probable relationship between the man and the woman?
A.
Husband and wife.
B.
Father and daughter.
C.
Doctor and patient.
D.
Teacher and student.
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