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【简答题】
通常交流仪表测量的是交流电流、电压的( )。
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举一反三
【单选题】肺心病的形成与下列哪种因素关系最密切
A.
心脏代偿能力下降
B.
缺氧性肺血管收缩
C.
肺血管床减少
D.
血容量增多
E.
血液粘稠度升高
【单选题】Some educators that children should be rewarded for their great performance.
A.
assumed
B.
adopted
C.
advocated
D.
convinced
【简答题】What, then, is a good education at the end of the twentieth century? Some educators suggest that it should include foreign languages and the study of foreign cultures;a y of English, including t...
【判断题】当物体系统平衡时,组成该系统的每一个物体也同时处于平衡状态。
A.
正确
B.
错误
【单选题】武林外传中展红绫披的披风是什么颜色的?
A.
黑色
B.
深蓝色
C.
浅蓝色
D.
灰色
【单选题】Some educators are critical of the program because______.
A.
they don't think it fit for children in every respect
B.
it takes the children too much time to watch it
C.
it causes problems between children who have watched it and those who have not
D.
some parents attach too much importance to it
【单选题】为避避免程序和()丢失,可编程序控制器裝有锂电池,当锂电池电压降至相应的信号灯亮时,要及时更换电池
A.
地址
B.
序号
C.
指令
D.
数据
【单选题】Some educators try to put students of similar abilities into the same class because they believe this kind of ______ grouping is advisable.
A.
homogenous
B.
instantaneous
C.
spontaneous
D.
anonymous
【单选题】当物体系平衡时,组成该系统的每一个物体 ?
A.
都处于平衡状态 ;
B.
不一定平衡 ;
C.
有的平衡,有的不平衡 ;
D.
全都不平衡 。
【单选题】肺心病的形成与下列哪种因素关系最密切
A.
肺血管床减少
B.
血液粘稠度升高
C.
血容量增多
D.
缺氧性肺血管收缩
E.
心脏代偿能力下降
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