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问题 多项选择题

哪些检查有助于重症肌无力的诊断（）

A.肌肉疲劳试验

B.血清中AchRAb

C.低频神经重复电刺激

D.腾喜龙或新斯的明试验

E.胸部CT

答案

参考答案：A, B, C, D, E

多项选择题

慢性心力衰竭药物治疗常用药物（）

A.利尿剂

B.钙离子拮抗剂

C.ACE抑制剂

D.洋地黄

E.抗心律失常药
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单项选择题

Speaker A: I'd like to exchange these jeans please.Speaker B: ______

A．What's wrong Are they the wrong size

B．But how can you prove that you have bought them here

C．I'm afraid it's not our policy to exchange goods once they are sold out.

D．Sorry, I don't like to exchange my jeans with yours.
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