核素图像融合技术的最主要目的是()
A.了解病灶部位的代谢与血流变化
B.了解病灶区解剖密度的变化
C.了解病灶区解剖形态的变化
D.提高探测病灶的敏感性
E.判断病灶大小
参考答案:A
我国的金融债券主要有()。
A.政策性金融债券
B.商业银行债券
C.保险公司次级债务
D.证券公司债券
— Excuse me,sir.Would you do me a favor?
— Of course. What is it?
— I _____ if you could tell me how to fill out this form.[ ]
A. had wondered
B. was wondering
C. would wonder
D. did wonder