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【单选题】
Which of the following is not a definition to determine a product's ability to operate as intended?A.
. distance
B.
. performance
C.
. function
D.
. condition
E.
. All are definitions
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反馈参考答案：
举一反三
【多选题】下列为步进电动机特点的有()
A.
电动机输出轴角位移与输入脉冲成正比
B.
步进电机的动态响应快，但不易于启停
C.
转速与脉冲频率成反比
D.
转向与通电相序有关
E.
具有良好的跟随性
【单选题】Natural selection is defined as the process ______ the course of evolution by preserving those traits best adapted for an organism's survival.
A.
to which directs
B.
of which directs it
C.
directs it
D.
that directs
【简答题】经验概括
【简答题】[A] cause [B] course [C] process [D] programme
【单选题】执行指令MOV AX，[BX][DI]，如果(DS)=2100H， (BX)=0158H，(DI)=10A5H，则物理地址=
A.
11FDH
B.
221FDH
C.
0158H
D.
32FFH
【单选题】The Metro Tech program offers a 6-month course leading to an ACAM ______in Basic Automobile Maintenance upon successful completion.
A.
teacher
B.
training
C.
classroom
D.
certificate
相关题目：
【多选题】下列为步进电动机特点的有()
A.
电动机输出轴角位移与输入脉冲成正比
B.
步进电机的动态响应快，但不易于启停
C.
转速与脉冲频率成反比
D.
转向与通电相序有关
E.
具有良好的跟随性
参考解析：
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