交作业：

据美国军方官员和安全部门人士说，自以哈冲突开始以来，在争对美国资产的一个最广泛的单日攻击中驻伊拉克美军在星期四三次被作为攻击目标，但是没有遭受人员伤亡。

According to the U.S military officials and security officials，since the beginning of the Israel-Hamas conflict，in the most extensive single day attack on the U.S. assets， the U.S. military stationed in Iraq was targeted three times on Thursday，there were no casulties though.