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【简答题】
光的三原色相混合为（白）色，物的三原色相混合为（）色。
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举一反三
【单选题】关于骨盆狭窄的诊断，哪项是错误的
A.
入口前后长<10cm为骨盆入口狭窄
B.
骨盆各径线比正常值小1cm为均小骨盆
C.
坐骨棘间径9cm为中骨盆狭窄
D.
耻骨弓<80°可能为骨盆出口狭窄
E.
骨盆出口横径+后矢状经=15cm属于正常范围
【单选题】Deficit, Debt, and Entitlements Well it's the group of people born between 1961 and 1981. It seems that we have come to be called Xers simply because we represent something negative to our elders. We ...
A.
be speaking very highly of his own Generation
B.
be sympathetic with his own generation
C.
criticise his own generation for its shortcomings
D.
believe bis previous generations share one thing
【单选题】Deficit, Debt, and Entitlements Well it's the group of people born between 1961 and 1981. It seems we have come to be called Xers simply because we represent something negative to our elders. We may b...
A.
be speaking very highly of his own Generation.
B.
be sympathetic with his own generation.
C.
criticise his own generation for its shortcomings.
D.
believe his previous generations share one thing.
【单选题】对装修管理应注意的问题表述不正确的是()。
A.
服务与控制是装修管理过程的一对矛盾，如何处理充分体现了物业管理的水平与技巧
B.
验收工作是装修管理的最后一道工序，也是控制违章的最后一关
C.
对于在物业装饰装修过程中的违规违约行为，应根据相关法规、管理规约及物业装饰装修管理服务协议进行处理
D.
装饰装修资料全部为业主资料
【单选题】Where is the group of people?
A.
At a bank
B.
At a farm
C.
In a cafeteria
D.
In a personnel office
【单选题】关于骨盆狭窄的诊断，哪项是错误的
A.
人口前后径＜10cm为骨盆入口狭窄
B.
骨盆各径线比正常值小1cm为均小骨盆
C.
坐骨棘间径9cm为中骨盆狭窄
D.
耻骨弓＜80可能为骨盆出口狭窄
E.
骨盆出口横径十后矢状径=15cm属于出口正常
【单选题】若α∈[0，2π]，且 1+cos2α 2 + 1-cos2α 2 =sinα+cosα ，则α的取值范围是（ ）
A.
(0， π 2 )
B.
( π 2 ，π)
C.
(π， 3π 2 )
D.
( 3π 2 ，2π)
【单选题】关于骨盆狭窄的诊断,哪项是错误的
A.
入口前后长<10Cm为骨盆入口狭窄
B.
骨盆各径线比正常值小1Cm为均小骨盆
C.
坐骨棘间径9Cm为中骨盆狭窄
D.
耻骨弓<80°可能为骨盆出口狭窄
E.
骨盆出口横径+后矢状经=15Cm属于正常范围
【简答题】若sin2α= 1 4 ，且α∈( π 4 ， π 2 ) 则cosα-sinα=______．
【简答题】已知 tanα=- 1 3 ， α∈( π 2 ，π) ． （1）化简 sin2α-co s 2 α 1+cos2α ，并求值． （2）若β∈（ π 2 ，π ），且cos（α+β）=- 12 13 ，求sin（α+β）及cosβ的值．
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