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【判断题】
安检法规的特点是具有规范性、强制性、专业性、国际性。
A.
正确
B.
错误
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举一反三
【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】实际中 as 如何确定?
A.
按公式 as=h-ho
B.
按公式 as=c+d/2
C.
假定确定
D.
以上方法都可以
【单选题】蚊子对人类最主要的危害是【 】
A.
吸血
B.
分泌毒液注入人体而使人受害
C.
引起皮肤过敏反应
D.
骚扰人们的学习和工作
E.
传播疾病
【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】加强创业( )的宣传有助于在全社会营造一个积极、健康的创业环境。
A.
政策
B.
效益
C.
文化
D.
道德
【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
【判断题】均值99%的置信区间常用于总体均值有99%的可能在该范围内的估计。
A.
正确
B.
错误
【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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