简便实用的诊断结核病的方法是（）
A.胸液检查
B.血常规
C.胸部CT
D.结核菌素试验
E.结核菌抗原检测
参考答案：D
It’s a common sense _____ Canberra, _____ between Sydney and Melbourne, is the capital of Australia.
A．that; locating
B．that; located
C．which; located
D．as; locates
什么叫光滑面约束？举例简述变电工程哪些是光滑面约束。
