视图主要用于表达机件的外形,不影响看图的虚线通常省略不画。()
参考答案:对
甲状腺显像用哪种显像方法
A.99mTc-MIBI两日法
B.201Tl/99mTcO显像减影法
C.99mTc-MIBI/18F-FDG双核素法
D.99mTcO显像
E.99mTc-(V)-DMSA
the end of last term, every student in the school, I think, has taken at least five maths tests.
A.By
B.Since
C.From
D.In