二度烧伤的表现为（）
A、烧伤局部红、肿、热痛感
B、烧伤局部有痒痛烧灼感
C、烧伤局部起水疱
D、以上皆是
参考答案：C
--- He has to finish the experiment today. He must be in the lab,____?
---That s quite possible.
A．mustn't he
B．won't he
C．doesn't he
D．isn't he
如何有效指导小学生课后复习？
