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【单选题】
可用( )检查切断刀副偏角。A.
三角尺
B.
直角尺
C.
游标万能角度尺
D.
角度样板
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举一反三
【单选题】设顺序循环队列Q[0：M-1]的头指针和尾指针分别为F和R，头指针F总是指向队头元素的前一位置，尾指针R总是指向队尾元素的当前位置，则该循环队列中的元素个数为（ ）。
A.
R-F
B.
F-R
C.
(R-F+M)％M
D.
(F-R+M)％M
【简答题】let me tell you one of the earliest disasters in my caree as a teacher. in this sentence, what does the word "disaster" mean ? Does it mean natural disasters like floods,droughts or earchquake?
【简答题】What does “disasters” mean in “Let me tell you one of the earliest disasters in my career as a teacher”?
【单选题】Let me tell you one of the earliest disasters in my career as a teacher. Here, "disaster" means :
A.
a bad accident
B.
a lot of damage
C.
an unexpected trouble
D.
a complete failure
【简答题】let me tell you one of the earliest disasters in my career as a teacher. It was January of 1940 and I was fresh out of graduate school starting my first semester at the University of Kansas City.
【单选题】设顺序循环队列 Q[0..M-1] 的头指针和尾指针分别为 F 和 R ,头指针 F 总是指向队头元素, 尾指针 R 总是指向队尾元素的下一位置,则该循环队列中的元素个数为( )。
A.
R-F
B.
F-R
C.
(R-F+M) ％ M
D.
(F-R+M) ％ M
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