CT平扫，下列哪种病变肝脏密度不减低反而升高()

A．脂肪肝

B．Reye病

C．酒精性肝病变

D．血色病

E．糖原累积症

Why should the SES operators be very careful when the ship enters the area where three ocean regions overlap? Because（）.

A.the weather is always terrible

B.the condition there is complicated

C.the signals are too p

D.their SES may receive the signals from unwanted satellite