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问题
名词解释
经导管动脉栓塞术
答案
参考答案:
X线电视透视下经导管向靶血管内注入或送入栓塞物质,使之闭塞从而达到预期治疗目的的技术。
选择题
— It's nice. Never before _____ such a special drink!
— I'm glad you like it.
A. I have had
B. I had
C. have I had
D. had I
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填空题
如果x
2m-1
y
-4
与x
5
y
m+n
为同类项,则(m+n+5)
2010
=( )。
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