与贫血无关的临床表现为()。
A.皮肤黏膜苍白
B.发绀
C.头痛、头晕
D.心悸及呼吸困难
E.疲乏无力
参考答案:B
解析:发绀是组织缺氧失代偿的临床表现,与贫血无关。
-I’m new here. Could you please tell me _______?
-Sure. It’s over there behind that tower.
A.where the youth centre is
B.when the library opens
C.how far is the amusement park
D.how can I get to the underground station
市场经济具有哪些基本特征、基本作用与主要缺陷?