反刍的四个阶段不包括（）。
A、再吞咽
B、逆呕
C、再咀嚼
D、吞咽
E、再混唾液
参考答案：D
——What did she have to say?
——Oh, nothing________. She only wanted me to give her a hand.
A．in short
B．in fun
C．in special
D．in particular
通常水温越高，电导率越低。
