伤寒极期的表现不包括哪种表现（）
A.相对缓脉
B.皮肤瘀点、瘀斑
C.稽留高热
D.肝大、脾大
E.明显的消化道症状
参考答案：B
Isn't ________ rude ________ him to talk to his mother like that?
A．that; for
B．that; of
C．it; for
D．it; of
引水隧洞转弯时弯曲半径一般大于5倍洞径，转角( )，以使水流平顺，减少水头损失。
A．不宜小于60°
B．不宜大于60°
C．不宜小于70°
D．不宜大于70°
