听力原文:W:I need the receipt for the book in order to exchange it.
M:All right.Here you are.
Q:Where does the conversation most likely take place?
(19)
A.In an apartment.
B.In a bookstore.
C.In a classroom.
D.In a library.
第4题
具有保护胃黏膜、抗急性胰腺炎药理作用的药物是
A.火麻仁
B.郁李仁
C.大黄
D.芫花
E.芒硝
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