第15题: [单项选择]She didn't ring the communication cord immediately because A. she was very much afraid. B. there was no point of doing so. C. she was too shocked to move. D. the ticket collector came in. 参考答案:B 答案解析: 此题为细节理解题。据第7段第2句可知。there was no point of doing so相当于it was no use doing
so。 [难点解析] <1>ve
第31题: [单项选择]统计国民生产总值时，是以“国民原则”为核算标准的。因此，国民生产总值( )。
Ⅰ．不包含本国公民在国外取得的收入 Ⅱ．包含外国居民在国内取得的收入 Ⅲ．包含本国公民在国外取得的收入 Ⅳ．不包含外国居民在国内取得的收入 A. Ⅰ、Ⅱ B. Ⅰ、Ⅲ C. Ⅱ、Ⅳ D. Ⅲ、Ⅳ 参考答案:D 答案解析:[解析] 以“国民原则”为核算标准的国民生产总值包含本国公民在国外取得的收入，但不包含外国居民在国内取得的收入。
