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【单选题】
在EXCEL工作表中,单元格E5中有公式“=$C$2+D4”,删除第B列后E5单元格中的公式为( ) 。
A.
=$B$2+C4
B.
=$C$2+C4
C.
=$B$2+D4
D.
=$C$2+D4
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参考答案:
举一反三
【单选题】下列不属于柴油发电机故障时排烟异常的是()。
A.
排气冒黑烟
B.
排气冒蓝色烟
C.
排气冒红色烟
D.
排气冒白色烟
【简答题】完形填空 At high school, I was a few months younger than most of my friends. Usually it didn't 1 __ . But turning 16 was 2__ . One by one, my friends celebrated their birthdays by getting a learner's _ 3 ...
【简答题】Most of the people (attend) ______ the dinner party yesterday were my friends.
【单选题】下列情况中中,不属于发电机故障的是()。
A.
定子绕组匝间短路
B.
定子绕组相间短路
C.
转子两点接地
D.
定子过电流
【单选题】下列不属于发电机定子绕组故障类型的是()。
A.
相间短路
B.
匝间短路
C.
单相接地
D.
励磁电流消失
【单选题】下列各项中不属于油电路引起的发动机功率不足故障原因的是( )。
A.
点火正时不当
B.
空气流量计故障
C.
冷却液温度传感器故障
D.
汽缸磨损
【单选题】Much to my _______, most of the people ______ to the party were old friends.
A.
astonishing; inviting
B.
astonished; invitied
C.
astonishment; inviting
D.
astonishment; invited
【单选题】Most of my friends use their cars ________for their job.
A.
regularly
B.
mostly
C.
normally
D.
greatly
【单选题】下列不属于柴油发电机常见故障的是()。
A.
费油
B.
怠速不稳
C.
启动困难
D.
踹振
【单选题】下列不属于发电机故障的是:
A.
定子绕组相间短路
B.
转子绕组接地
C.
定子绕组过负荷
D.
定子绕组过电压
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