鸟类一般可分为（）
A、鸣禽
B、猛禽
C、走禽
D、游涉禽
E、攀禽
参考答案：A, B, C, D, E
The old town has narrow streets and small houses ______ are built close to each other.
A．they
B．where
C．what
D．that
湿邪致病，可见（）
A.经前泄泻
B.带下增多
C.不孕症
D.子肿
E.月经前后浮肿
