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问题 单项选择题

关于三阶梯下列哪项不妥

A．第一阶梯代表药物是阿司匹林

B．第二阶梯代表药物为可待因

C．第三阶梯代表药物是哌替啶

D．要重视心理治疗

E．常采取联合用药的方法

答案

参考答案：C

选择题
Frank is a lazy boy, so he's              late for school.      

A. often    
B. hardly ever      
C. never    
D. sometimes
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选择题

—How do you think I can make up with Johnson?

—Set aside ________ you disagree and try to find ________ you have in common.

A．what; what

B．where; what

C．what; which

D．where; which
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