题目

All of our equipment dates back to the 1960s and 1970s; we cannot make products that compete with foreign products, _______ we can buy the necessary technology. A . unless B . while C . once D . if 答案：A1929年10月下旬,美国华尔街股市打了一个厉害的喷嚏,病菌立即弥漫到世界,影响了所有的资本主义国家。对此,德国采取的治疗方案是( )A.实施罗斯福新政 B.建立法西斯专政C.实施新经济政策 D.加入“国联”