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【单选题】
下列关于有机化合物的认识不正确的是（ ）A.
油脂在空气中完全燃烧转化为二氧化碳
B.
蔗糖、麦芽糖的分子式都是C 12 H 22 O 11 ,两者互为同分异构体
C.
乙烯通入高锰酸钾溶液褪色是因为发生了加成反应
D.
在浓硫酸存在下,苯与浓硝酸共热生成硝基苯的反应属于取代反应
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【单选题】Not until many years later______
A.
the whole truth became known
B.
did the wholetmth become known
C.
the whole truth has become known
D.
has the t讯th become known
【单选题】均值99%的置信区间常用于( )
A.
某指标的可能取值范围
B.
估计健康人群99%观察值所在范围
C.
99%样本均值在该范围内的估计
D.
总体均值有99%的可能在该范围内估计
【单选题】Not until many years later______
A.
the whole truth became known
B.
has the truth become known
C.
the whole truth has become known
D.
did the whole tmth become known
【单选题】Not until many years later______
A.
the whole truth became known
B.
has the truth become known
C.
the whole truth has become known
D.
did the whole truth become known
【单选题】Not until many years later___known.
A.
was the whole truth
B.
did the whole truth become
C.
the whole truth became
D.
the whole truth had became
【单选题】Not until many years later___known.
A.
the whole truth became
B.
did the whole truth become
C.
the whole truth become
D.
the whole truth had become
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