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【单选题】
三菱PLC中16位的内部计数器计数数值最大可设定为( )。
A.
32768
B.
32767
C.
10000
D.
100000
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参考答案:
举一反三
【单选题】-David will win the first prize. -Are you sure? -________. He is always working hard. [     ]
A.
It's my guess
B.
It's up to you
C.
That depends
D.
It's hard to say
【判断题】变压器在一次侧外加额定电压不变的条件下,二次侧电流大,导致一次侧电流也大,因此变压器的主磁通也大
A.
正确
B.
错误
【单选题】—How about Tomin school? —He is always working harder than . [     ]
A.
any students
B.
all the students
C.
anyone else
D.
every student
【单选题】– Do you know William failed the exam, Jenny? -- _____? As far as I know, he is always working hard.
A.
So what
B.
How come
C.
Why not
D.
What for
【单选题】---Tom won an award again. ---   is no accident that he is so successful. He is always working hard.
A.
There
B.
This
C.
It
D.
That
【单选题】He is always working hard, and I believe all his efforts will __ ually.
A.
be rewarded
B.
reward
C.
return
D.
be returned
【判断题】在咨询结束阶段,离愁别绪可能导致成员的状况出现反复。()
A.
正确
B.
错误
【单选题】ECG6511心电图机的时间常数电路的主要作用是(    )
A.
消除极化电压对于后级电路的影响
B.
降低零点漂移
C.
提高电路的输入阻抗
D.
校准心电图机的灵敏度
【单选题】He is always working______he can.
A.
as hardly as
B.
as hard as
C.
so hardly as
D.
so hard as
【判断题】在双筋截面中,当x≧2as'时,说明可防止受压区纵向受力钢筋在构件破坏时达不到抗压强度设计值。
A.
正确
B.
错误
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