用于消化道的常规造影剂是
A.碘油
B.碘番酸
C.12.5%碘化钠
D.硫酸钡
E.50%胆影葡胺
参考答案:D
—How do you like the story?
—______.[ ]
A. Yes, I like
B. No, I don't like
C. Not at all
D. It's very interesting
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