1,3,7,15,31,63,_____________( )
A.127
B.144
C.102
D.104
参考答案:A
患者,男性,29岁,低热月余咳痰带血5天,3年前患过胸膜炎;X线胸片左肺尖密度不均阴影;ESR30mm/h,WBC8.0×109/L。
根据病史下列哪种疾病可能性最大()
A.肺炎
B.肺结核
C.支气管扩张
D.肺癌
E.慢性支气管炎
We invite you and your family to attend the activity _____ that special day. [ ]
A. at
B. on
C. with
D. in