注射99mTc-MDP后最佳的显像时间是()
A.1小时
B.2小时
C.3~6小时
D.8小时
E.12小时
参考答案:C
解析:注射99mTc-MDP后最佳的显像时间是3~6小时。
下列被列为世界自然遗产的是( )。
A.九寨沟风景区
B.泰山
C.庐山
D.武夷山风景区
I really don’t know _________ I had my money stolen.
A.when was it that
B.that it was when
C.where it was that
D.it was where that