早期梅毒检查可用()。
A.梅毒螺旋体直接检查
B.TPPA
C.RPR
D.醋酸白试验
E.毛滴虫检查
参考答案:A
尿渗透压可变化的最大范围是()
A.50~70mOsm/(kg·H2
B.50~100mOsm/(kg·H2
C.500~1000mOsm/(kg·H2
D.60~1000mOsm/(kg·H2
E.50~200mOsm/(kg·H2
He went to town _____sell one of his paintings.
A.on purpose
B.on purpose to
C.for the purpose of
D.on purpose of