急性肺脓肿停用抗生素的指征是
A．体温正常
B．脓腔液平消失
C．肺部体征消失
D．咳嗽咳痰消失
E．病灶消失，有纤维条索影
参考答案：E
When an object is dropped, the number of feet N that it falls is given by the formula , where t is the time in seconds since it was dropped and g is 32.2, if it takes 5 seconds for the object to reach the ground, how many feet does it fall during the last 2 seconds ？（）
各机构的经营管理必须以（）为核心，以资本金约束风险资产的过度扩张。
A.资本充足程度
B.准备金充足程度
C.资本充足率
D.风险加权资产
, where t is the time in seconds since it was dropped and g is 32.2, if it takes 5 seconds for the object to reach the ground, how many feet does it fall during the last 2 seconds ？（）