第22题: [单项选择]Japan remains tied to the Western camp partly because the relationship has become ______ to her economy and politics over forty years’ association. A. integral B. unilateral C. rational D. hierarchical 参考答案:A 答案解析:[解析] 句子前面提到“日本和西方阵营保持很密切的关系”,后面提到了原因“因为这种关系在过去四十年中对于其经济和政治______”。根据上下文,integral恰好符合题意,因为它的意思是formin