题目

In order to know a foreign language entirely，four things are necessary. Firstly, we must hear it spoken. Secondly, we must be able to speak it ourselves correctly, with confidence and without hesitation(踌躇). Thirdly, we must be able to read the language， and fourthly, we must know how to arrange(整理; 分类) sentences in paragraphs，so as to write a good composition.There is no easy way to succeed in language learning. A good memory is a great help, but it is not enough simply to learn rules by heart from a grammar book. It is no use learning by heart long lists of words and their 图改变自保罗·肯尼迪《大国的兴衰》。据此判断，下列说法正确的是A．德国开始步入欧洲强国之列B．经济危机使英国丧失了世界霸主的地位C．苏联成功度过经济危机实现了工业化D．美国在世界经济中仍占据着关键地位