【单选题】周某,女,60岁,因心衰卧床已3周,体质消瘦,两下肢水肿,家庭病床护士访视发现其骶尾部皮肤破溃,认为属于炎性浸润期压疮。支持该护士判断的典型临床表现是
【单选题】What is the message of this passage?
A.
Old men are wise and should be respected.
B.
Old men should be hidden in the cellar.
C.
Old men know where young people could find grain.
D.
Young people are not as foolish as old people.
【单选题】A wise and frugal government shall _______ men from injuring one another.
【单选题】The bond of true affection had pulled us--six very different men from six different countries-across Antarctica we proved in the end that we weren't very different ______ .
【简答题】镰型红细胞性贫血是由()突变引起的,地中海贫血是由()突变引起的。