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【单选题】
As the years passed, many occasions—birthdays, awards, graduations — __________ with Dad’s flowers.A.
are marked
B.
were marked
C.
have marked
D.
had marked
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【单选题】下列关于国家制度的表述，正确的是哪一项?
A.
国家制度包括国体、政体、国家结构形式、领土结构形式、政权组织形式等内容
B.
国家制度包括国体、政体、国家结构形式、选举制度、地方制度等内容
C.
国家制度包括国体、政体、领土结构形式、选举制度、地方制度等内容
D.
国家制度包括国体、领土结构形式、选举制度、地方制度、政权组织形式等内容
【判断题】Public warehousing has embraced value-adding activities such as customization and reverse logistics to a greater degree than has contract warehousing.
A.
正确
B.
错误
【单选题】Your ARPA has been tracking a target and has generated the targets course and speed．The radar did not receive a target echo on its last two scans due to the weather．What should you expect under these ...
A.
The ARPA will generate data as if the target was still being tracked by radar
B.
The ARPA will give an audible and/or visual lost target alarm
C.
The ARPA will generate data based on sea return echoes from the vicinity where the target was lost
D.
The ARPA has lost all memory of the target and must recompute the target data
【单选题】______ your absence; I won't listen.
A.
It has no use explaining
B.
It has no use to explain
C.
It is no use explaining
D.
It is no use to explain
【多选题】关于调频和调相，正确的表述是
A.
调频时最大频偏仅与调制信号的振幅有关，与调制信号频率无关
B.
调相时最大频偏不仅与调制信号的振幅有关，而且与调制信号频率有关
C.
调相时最大相偏仅与调制信号的振幅有关，与调制信号频率无关
D.
调频时最大相偏不仅与调制信号的振幅有关，而且与调制信号频率有关
E.
调频与调相的有效通频带公式相同
F.
调制信号微分后再调相可以得到该调制信号的调频波
G.
调频时最大相偏仅与调制信号的振幅有关系
H.
调相时最大频偏仅与调制信号的振幅有关系
【单选题】某患者,男性,54岁,糖尿病史五年。昨天下午突然昏睡,送医院。经检查诊断为糖尿病酮症酸中毒,其尿检结果可能出现( )
A.
红细胞增多
B.
白细胞增多
C.
尿蛋白(+)
D.
尿酮体(+++)
E.
出现管型
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