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【单选题】
能加速奎尼丁代谢，使血药浓度降低的抗心律失常药是（）A.
普鲁卡因胺
B.
苯妥英钠
C.
普萘洛尔
D.
维拉帕米
E.
以上都不是
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【简答题】arrive[ə'raɪv]
【单选题】听力原文：W：Has Anderson come back from Canada? M：Yes，and he liked it so much that only four weeks at home he went back to study French for a year. Q：What does the conversation tell us about Anderson? (19)
A.
He has been back in Canada for weeks.
B.
He is studying French in Canada.
C.
He is having a vacation in Canada.
D.
He is planning to return to Canada in a year.
【简答题】简述商标的含义。
【简答题】简述投资报酬率指标的含义及使用时应注意的问题
【简答题】arrive[ə'raɪv]
【简答题】arrive (v.) ______ (n.)