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【单选题】
H1受体拮抗剂马来酸氯苯那敏的结构类型属于A.
丙胺类
B.
乙二胺类
C.
哌嗪类
D.
氨基醚类
E.
三环类
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举一反三
【单选题】Tianjin is located in the ______corner of the North Chain Plain.
A.
northeast
B.
northwest
C.
southeast
D.
southwest
【单选题】Where is the Tianjin International Cruise Home Port located?
A.
It is located in Northern China.
B.
It is located in East Asia.
C.
It is located at the south of Dongjiang Port of Tianjin Port.
D.
It is located at Tianjin Port.
【单选题】— Do you like the weather in Tianjin, Johnson? — _______, but I have been here for three years and I am used to it. [ ]
A.
Not really.
B.
Of course.
C.
No problem.
D.
Never mind.
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