3岁小儿化验示Hb为70%,其贫血分度为()
A.贫血
B.重度贫血
C.中度贫血
D.轻度贫血
E.以上都是
参考答案:C
一氧化碳与血红蛋白(Hb)的亲和力比氧气()
A.大10倍
B.大30倍
C.大100倍
D.大300倍
E.无法比较
Beijing is cold this time ______. You need ______ warm clothes if you go there. [ ]
A. of the year, to pack
B. of year, packing
C. of year, pack
D. of year, to pack