海关办理退税手续时,按规定应当同时退还多征税款部分所产生的利息的,已征收的滞纳金一并予以退还。
参考答案:错
Bob would have helped us yesterday, but he ____________.
A.is busy
B.had been busy
C.has been busy
D.was busy
中型霍乱患者第一个24小时的补液量是()。
A.3000~5000ml
B.4000~6000ml
C.5000~7000ml
D.4000~8000ml
E.8000~12000ml