问题 单项选择题 A1型题

常用于使牙髓失活的药物是()

A.樟脑苯酚

B.呋喃西林

C.氯亚明

D.多聚甲醛

E.甲醛甲酚

答案

参考答案:D

解析:多聚甲醛常用于牙髓失活。

问答题

       在世界近代史上,17世纪晚期的英国较早完成了资产阶级革命,之后又在19世纪40年代最早完成了工业革命,成为当时世界上最强大的资本主义国家。

请回答:

(1)英国资产阶级革命的根本原因是什么?完成的标志是什么?

                                                                                                                                                             

                                                                                                                                                             

(2)英国工业革命中,哈格里夫斯和瓦特各做出了什么重要贡献?

                                                                                                                                                             

                                                                                                                                                             

(3)英国资产阶级革命与工业革命之间具有怎样的联系?

                                                                                                                                                             

                                                                                                                                                             

单项选择题