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【多选题】
关于"中国梦",下列表述正确的是( )。A.
中国国家的、民族的,也是每一个中国人的
B.
中国梦凝结着无数仁人志士的不懈努力,承载着全体中华儿女的共同向往,昭示着国家富强、民族振兴、人民幸福的美好前景
C.
全面小康社会的建成,标志着中国梦的实现
D.
中国历史的、现实的,也是未来的
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【单选题】Not until he failed the exam _______he had left his books untouched .
A.
did he realize
B.
had he realized
C.
he realized
D.
he had realized
【单选题】若对一个具有一对多关联的表“实施参照完整性”，并且“级联更新相关字段”，则（ ）
A.
在子表中更改子关键字的值，将同时更新主表中所有相关记录的匹配值
B.
在主表和子表中同时更新关键字的值，将同时更新所有相关记录的匹配值
C.
在主表或子表中更新关键字的值，将更新所有相关记录的匹配值
D.
在主表中更改主关键字的值，将同时更新子表中所有相关记录的匹配值
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A.
that he saw
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had he seen
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did he see
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that he had seen
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A.
did he begin
B.
had he begun
C.
he began
D.
he has begun
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A.
did he begin
B.
had he begun
C.
he began
D.
he had begun
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A.
he realised
B.
did he realise
C.
he did realise
D.
realised he
【单选题】Not until he left home ______ to know _______ important the family was for him.
A.
did he begin; what
B.
had he begin; how
C.
did he begin; how
D.
had he begin; what
【简答题】Before Carol started to work，she learned how to
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