蛋白质-能量营养不良的患儿可出现()
A.喂养不当史
B.皮下脂肪减少,体重减轻
C.肌肉松弛、萎缩
D.贫血
E.血清清蛋白减少
参考答案:A, B, C, D, E
Many students have never been to China before and _____ any Chinese. [ ]
A. could hardly say
B. can hardly talk
C. can hard speak
D. can hardly speak
一般情况下,运输供给量随价格上涨而____,随运输价格下跌而____。( )
A.增加;减少 B.增加;增减 C.减少;减少 D.减少;增加