Although I’m a very tolerant person, I hate       when people try to push my limit.

A．this

B．that

C．it

D．one

缺铁性贫血患儿的表现不包括（）

A.心脏有收缩期杂音

B.肝、脾轻度增大

C.甲床苍白

D.疲乏无力、食欲减退、呕吐、腹泻

E.手、足、头不自主震颤