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【单选题】
123456789的平方是A.
15241566404511621
B.
15241578750190521
C.
15241538743612421
D.
15241594372468621
E.
15241579346412421
F.
15241539183612421
G.
1524154607948321
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反馈参考答案：
举一反三
【单选题】Please make sure you have all your with you before leaving the plane.
A.
arrangements
B.
preparations
C.
properties
D.
possessions
【简答题】Please make sure that you have it with you all the time.
【简答题】Please make sure they are all the
correct s ________.
【简答题】在证券交易过程中，投资者的交易行为所产生的结果是不确定的，它与投资者预期收益目标发生偏离，这种偏离只可能是负的(实际收益低于投资者的预期目标)。（ ）
【单选题】Please make sure all the lights are ______ before you go to bed.
A.
turned on
B.
turned down
C.
switched off
D.
switched on
【单选题】S3C2410A的I/O接口中,PORT D口的引脚编号为?
A.
GPA0-GPA22
B.
GPB0-GPB22
C.
GPD0-GPD22
D.
GPD0-GPD15
【简答题】Please make sure all mobile phones are switched off during the ___________ (perform).
【单选题】Please make sure all ______ phones are switched off during the performance.
A.
negative
B.
mobile
C.
rare
D.
excel
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