细菌性肝脓肿最常见的早期症状是（）
A.肝区疼痛
B.乏力
C.食欲减退
D.寒战和高热
E.消瘦
参考答案：D
Which of the following statements is least likely to be a tool available to central banks for implementing monetary policy（）
A．Adjusting taxation.
B．Inflation targeting.
C．Managing interest rates.
—Will there be less pollution?
—____. [ ]
A. No, there will not.
B. Yes, there will.
C. No, there'll not.
D. No, there won't.
