目前我国常用的判断儿童青少年营养不良和超重的方法是( )。
A．年龄别身高法
B．总体脂肪法
C．年龄别体重法
D．身高别体重法
参考答案：D
He is a little bit mysterious these days. Nobody in our company knows exactly.
A．what he is working on
B．what is he working on
C．what did he work on
D．what was he working on
地西泮可用于（）
A.催眠
B.镇静
C.抗惊厥
D.抗焦虑
E.缓解大脑损伤性僵直
