问题 单项选择题

食品保存期与食品pH值有关,使用苯甲酸时要注意pH值应为()

A.<4.0

B.4.5~5.5

C.5.5~6.5

D.6.6~7.0

E.>8.0

答案

参考答案:B

材料题

       1929年,由美国开始的经济危机,像恶魔一般袭击了世界主要资本主义国家。2008年,一场金融危机同样波及全球。据此回答下列问题:

(1)罗斯福是在什么背景下实行“新政”的?“新政”的主要措施有哪些?

                                                                                                                                                             

                                                                                                                                                            

                                                                                                                                                            

(2)我们应该怎样评价罗斯福新政?

                                                                                                                                                            

(3)结合罗斯福新政,你认为应该怎样应对当今世界金融危机?

                                                                                                                                                             

                                                                                                                                                             

单项选择题