关于体内法标记红细胞所使用的还原剂,哪一个是正确的()
A.FeCl2
B.FeSO4
C.NaS2O4
D.SnCl2
E.CuSO4
参考答案:D
It was a bad idea to build a power station in the deep valley, but it _____ as well as we had hoped.
A.cameoff
B.madeout
C.broughtout
D.wentoff
外资企业的经营期限由外国投资者申报,由审查批准机关批准。期满需要延长的,应当在期满()日以前向审查批准机关提出申请。审查批准机关应当在接到申请之日起()天内决定批准或者不批准。
A.30;60
B.90;60
C.180;30
D.60;30