伏安法测电阻实验中，若采用内接法其测量值____________真实值，若采用外接法其测量值____________真实值。（填写大于或小于）
大于，小于
As a result of the serious flood, twothirds of the buildings in the area ________. [ ]
A. need repairing
B. needs to repair
C. needs repairing
D. need to repair
下列不属于鸟类的动物是 （ ）
A．寒号鸟（飞鼠）
B．企鹅
C．天鹅
D．啄木鸟
