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【单选题】
根据误差性质,下面属于偶然误差的是__________。A.
卫星星历误差
B.
卫星钟差
C.
多路径效应
D.
接收机钟差
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】有关子宫脱垂患者的治疗方案，错误的是( )
A.
积极支持治疗
B.
子宫托治疗仅适用于Ⅰ度子宫脱垂患者
C.
Ⅱ度子宫脱垂患者可采用手术治疗
D.
Ⅲ度子宫脱垂患者可采用手术治疗
E.
Ⅲ度子宫脱垂伴宫颈溃疡的患者不采用子宫托治疗
【简答题】Zewail had already had good academic qualifications ______ before he won the Nobel Prize in chemistry.
【单选题】After she had won the first prize in the beauty _____, she became a professional model.
A.
sport
B.
match
C.
game
D.
contest
【单选题】After he had won the first prize, Mr. Su ____ to a restaurant to celebrate with us.
A.
went
B.
has gone
C.
would go
D.
had gone
【单选题】—Will there be any paper money 100 years? —No, .
A.
after , there won’t
B.
after, there won’t
C.
in, they aren’t
D.
in, there won’t.
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