皮皮学，免费搜题
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搜题
【单选题】
下列叙述哪项与雷尼替丁不符:A.
结构中含有呋喃环
B.
结构中含有二甲氨基甲基
C.
结构中含有N-氰基胍基
D.
代谢物为N-氧化、S-氧化、去甲基
E.
作用比替，具有速效和长效特点
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What is Sarah’s excuse to ask for an extension?
A.
She was not aware of the deadline.
B.
Her parents are in London for a few days and she wants to spend time with them.
C.
She cannot find the relevant bibliography.
D.
She doesn’t have a computer.
【单选题】( ) Sarah’s parents were away for business. She had to look after _____ brother.
A.
herself
B.
she
C.
her
D.
hers