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问题 单项选择题

美国存托凭证的发行人是( )。

A．存券银行

B．托管银行

C．中央存管公司

D．证券公司

答案

参考答案：A

解析： B项托管银行负责保管ADR所代表的基础证券；C项中央存管公司负责ADR的保管和清算。

单项选择题

根据短文内容，从方框中选出能填入空白处的最佳选项。(选项中有两项为多余选项) Saying Goodbye Many people were waiting for the train. Some were reading newspapers and some were saying goodbye to their friend． Doctor Smith, Mr. Lee and Mr. Brown were talking so happily that ____16____ Then the guard called loudly, “The train is going to leave. ____17____ The three men heard the guard and two of them jumped onto the train quickly before it moved. One was left behind. It was Dr. Smith. He ____18____ The guard came to him and said, “Don’t worry. ____19____ ”“I know.” Dr Smith said，“ ____20____ My friends only came to say goodbye to me. ” A. But it is my train. B. they didn’t know the train was going to leave. C. was very excited. D. Hurry up, please. E. looked very sad. F. The next train will come in ten minutes. G. Take your time.
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单项选择题

雌激素试验(+)，FSH、LH均＜5U/L，应用何种试验确定病变在垂体或下丘脑

A．孕激素试验
B．垂体兴奋试验
C．雌孕激素测定
D．甲状腺功能检查
E．基础体温测定
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