乳胶妊娠试验是
A．直接凝集反应B．间接凝集反应C．沉淀反应D．反向间接凝集反应E．间接凝集抑制试验
参考答案：E
--Tibet, a part of China can not suddenly become its own country.
--_______. All the Chinese people are against it
A．Yes, it can
B．Yes, it can’t
C．No, it can
D．Certainly not
