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【单选题】
表面复塑钢门 是一种较新型的防盗门,采用的工艺是在钢板表面覆上一层 ( ) 保护膜,该膜可耐高温。
A.
PVC
B.
C.
纤维
D.
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【多选题】对属性数据进行校核很难,因为不准确性可能归结于下列哪些因素?
A.
观察错误
B.
数据输入错误
C.
系统错误
D.
数据过时
【多选题】对属性数据进行校核很难,因为不准确性可能归结于下列哪些因素?
A.
观察错误
B.
数据过时
C.
数据输入错误
D.
系统错误
【单选题】不得安排哺乳未满(B)婴儿的女职工的延长工作时间和夜班劳动。
A.
6个月
B.
12个月
C.
18个月
D.
24个月
【单选题】接种细胞时,关于接种浓度下列哪种说法是正确的。
A.
越高越好
B.
越低越好
C.
接种浓度对细胞生长没有影响
D.
以上说法都是错的
【单选题】我国第一口海上油气井哪一年投产?()
A.
1978
B.
1963
C.
1967
D.
1959
【单选题】下列有4种说法,哪种说法是错误的?()
A.
电路中有感应电流必有感应电动势存在
B.
电路中产生感应电势必有感应电流
C.
自感是电磁感应的一种
D.
自互感是电磁感应的一种
【简答题】_____ _____ sigh Wait for me, wait for me
【单选题】Advocates of flexible exchange rates claim that under flexible exchange rates,
A.
the United States would now be able to set world monetary conditions all by itself.
B.
Germany would no longer be able to set world monetary conditions all by itself.
C.
the United Kingdom would no longer be able to set world monetary conditions all by itself.
D.
the United States would no longer be able to set world monetary conditions all by itself.
E.
Germany would now be able set world monetary conditions all by itself.
【单选题】《女职工劳动保护特别规定》规定,对哺乳未满()婴儿的女职工,用人单位不得延长劳动时间或者安排夜班劳动。
A.
1周岁
B.
六个月
C.
五个月
D.
四个月
【单选题】Advocates of flexible exchange rates claim that under flexible exchange rates,
A.
enhanced control over fiscal policy would allow countries to dismantle their distorting barriers to international payments.
B.
reduced control over monetary policy would allow countries to dismantle their distorting barriers to international payments.
C.
enhanced control over monetary policy would allow countries to increase their distorting barriers to international payments.
D.
enhanced control over monetary policy would allow countries to dismantle their distorting barriers to international payments.
E.
enhanced control over monetary policy would destabilize exchange rates.
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