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问题 单项选择题

抗幽门螺杆菌的根除方案哪项不正确()

A．质子泵抑制剂+克拉霉素+阿莫西林

B．质子泵抑制剂+克拉霉素+甲硝唑

C．质子泵抑制剂+阿莫西林+甲硝唑

D．胶体铋+阿莫西林+甲硝唑

E．胶体铋+质子泵抑制剂+甲硝唑

答案

参考答案：E

单项选择题

下列哪项不符合单发骨软骨瘤的临床表现

A．年轻人多见
B．好发于干骺端
C．随年龄的增长不断长大
D．单发比多发性骨软骨瘤恶变机会少
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单项选择题

We are pleased to know that you have planned to come to the Autumn Guangzhou Fair. We wish to discuss with you some other important things if you could come ______ your earliest convenience.

A．by
B．on
C．in
D．at
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