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【单选题】
哪一个药物由于是两性化合物而不易通过血脑屏障，因而不影响中枢神经系统，属于非镇静类H1受体拮抗剂A.
盐酸苯海拉明
B.
氯雷他定
C.
富马酸酮替芬
D.
盐酸西替利嗪
E.
盐酸赛啶
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反馈参考答案：
举一反三
【单选题】A Juan Gomez wakes up at six o'clock every morning. He gets up, takes a 21 , gets dressed, and eats breakfast. After breakfast he 22 the newspaper until 7:15, then he leaves for work. He gets on the b...
A.
lesson
B.
breath
C.
shower
D.
break
【单选题】He usually gets up ___________ six o’clock __________ Sundays.
A.
at; on
B.
on; at
C.
at; at
【单选题】He gets up at six o'clock, runs for half an hour and then has a meal, that is his morning ______. [ ]
A.
policy
B.
behavior
C.
tendency
D.
routine
【单选题】_____ weekdays, he often gets up _____ six o'clock. [ ]
A.
On, at
B.
At, on
C.
On, in
D.
At, at
【简答题】He ____(get) up at six o’clock
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