骨折的特有体征是（ ）。
A．疼痛与压痛
B．功能障碍
C．肿胀与瘀斑
D．骨擦音和骨擦感
E．患肢循环障碍
参考答案：D
To have a balance between study and a social life I’m going to join a few clubs. ______I’ll make some new friends.
A．Hopefully
B．Obviously
C．Fortunately
D．Especially
肝脓肿最常见的并发症是
A．胆道大出血B．急性腹膜炎C．急性心包积液D．膈下脓肿E．应激性溃疡
