问题 判断题

采用清管器定期清蜡是比较经济有效的措施.

答案

参考答案:对

问答题

结合下表和课文内容回答:

(1)这次经济危机的特点是什么?

                                                                                                                                                            

(2)美国通过什么政策来应付这场危机的?其实质是什么?

                                                                                                                                                            

                                                                                                                                                            

(3)你怎样评价美国的这一政策?

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

选择题