问题 单项选择题

引起向日葵样白内障的是()

A.纯铜异物

B.铜合金异物(铜含量为80%)

C.铁异物

D.金异物

E.铅异物

答案

参考答案:B

问答题

       1933年,新上任的美国总统罗斯福面对空前严重的经济危机,果断地采取了与传统经济政策不一样的方法,推行新政,使美国获得了新生。 请回答:

(1)罗斯福采取“与传统经济政策不一样的方法”指的是什么?新政的基础与核心又是什么?

                                                                                                                                                             

                                                                                                                                                             

(2)你同意罗斯福新政“使美国获得了新生”的说法吗?请说明理由。

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

选择题