下列哪项不是小儿腹泻的易感因素
A.消化系统发育不成熟
B.消化道负担重
C.肠道内感染
D.血中免疫球蛋白及胃肠道分泌型IgA低
E.胃内酸度低
参考答案:C
He is not a man easy ______.
A.to deal
B.to deal him
C.to deal with
D.to deal with him
冰山之喻