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【判断题】
对于非责任性故障,导游员处理时要更加积极主动,承担责任,避免事态扩大化A.
正确
B.
错误
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举一反三
【简答题】(语法填空)What's the __________(connect) between the two?
【简答题】语法4 情态助动词.ppt Read the attached PPT carefully and learn more about modal auxiliaries on the Internet to make sure you can understand it very well. We will have a quiz next Monday morning. In terms of...
【单选题】某经济学家欲估计台湾某城市之家庭平均年收入。根据历史资料,目前仅知群体标准偏差约为30,000元新台币,故该经济学家于城市中随机抽取225个家庭进行调查,得到样本平均数为1,200,000元/年。试计算该城市内之家庭平均年收入的90%信赖区间为何?
A.
1,200,000±3,920
B.
1,200,000±3,280
C.
1,200,000±2,000
【简答题】语法填空 Have a look at a keyboard — either on your computer or on your cellphone — and you'll notice that it isn't set up alphabetically (按字母顺序地).1.________(start) in the upper left corner, you won't see...
【简答题】(语法填空)What's the obvious ______(differnet) between the two?
【单选题】某经济学家欲估计台湾某城市之家庭平均月收入。根据历史资料,群体标准偏差约为30,000元新台币。该经济学家于該城市中随机抽取225个家庭进行调查,得到样本平均数为1,200,000元/年。请问该城市真实家庭平均年收入的90%信赖区间为何?P(-1.645
A.
1,200,000±3,920
B.
1,200,000±3,290
C.
1,200,000±2,000
D.
其余三项皆非
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