肝脏浊音区消失常见于哪些疾病( )
A．肝癌B．肝阏血C．急性肝坏死D．肝囊肿E．急性胃穿孔
参考答案：E
设备升版、割接如涉及到客户业务中断，要在（）天前通报客户，征得客户同意后方可进行。
________ made me more unhappy was _________ the boy asked my friend to be his girlfriend and she agreed.
A．What;that
B．That;that
C．What;whether
D．It;that
