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问题 单项选择题 A1型题

总体率95%可信区间估计的计算公式为（）

A.p±1.65Sp

B.p±1.96Sp

C.p±2.58Sp

D.p+1.96S

E.p±2.58S

答案

参考答案：B

阅读图文材料，回答问题。

（1）“引领时代”的历史人物是谁？他“引领”一个什么“时代”的到来？试展开合理的想像，简要描

    绘当时社会与以前相比发生了哪些变化。

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

（2）“汽车之父”赞誉的是哪位历史人物？他在交通工具动力方面的发明是什么？从能源领域和材料领

    域两方面比较此次科技革命与上次科技革命的主要区别。

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

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单项选择题

按照合同性质分类，保险合同可以分为（）

A.补偿性保险合同与给付性保险合同

B.定值保险合同与不定值保险合同

C.单一风险合同、综合风险合同与一切险合同

D.足额保险合同、不足额保险合同与超额保险合同
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