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问题 多项选择题

急性心包炎胸痛的临床特点有（）

A.前俯位时减轻

B.疼痛可放射至颈、背、左肩及臂

C.卧位及咳嗽时加重

D.前俯位时加重

E.随渗液量的增多疼痛可减轻

答案

参考答案：A, B, C, E

选择题

Not only________ attractive but _________ inviting.

A．is the scenery there; is the food

B．the scenery is; the food is

C．is the scenery there; the food is

D．the scenery is; is the food
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单项选择题

当总血钙低于哪个数值时可引起手足抽搐（）

A.血总钙＜2.35~2.45mmol/L

B.血总钙＜2.25~2.35mmol/L

C.血总钙＜2.05~2.25mmol/L

D.血总钙＜1.95~2.05mmol/L

E.血总钙＜1.75~1.88mmol/L
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