问题 单项选择题 B1型题

固定桥无法戴入或戴入后边缘不密合()

A.基底冠内有小瘤子

B.冠边缘蜡型修整不准确

C.基牙预备量不足或不均

D.桥体两侧基牙无共同就位道

E.蜡型过厚

答案

参考答案:D

开放性试题
材料题
──以上材料均选自《大国崛起》解说词

请回答:

(1)材料一描述的历史事件出现于哪国的资产阶级革命中?

                                                                                                                                          

(2)材料二中的“一场革命”是指什么革命?该革命开始的标志是什么?

                                                                                                                                                                

(3)材料三中的“北美13个英属殖民地”宣告独立的文件是什么?它的基本思想是什么?

                                                                                                                                                              

(4)你认为美国今天的所作所为,是否违背了这一基本思想?试举一例说明。

                                                                                                                                                              

                                                                                                                                                               

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