怀疑脊柱骨折时，正确的搬运姿势是（）
A.数人平托
B.平背
C.搂抱
D.一人抬头，一人抬足
E.坐轮椅
参考答案：A
下列何药除外，均治肠燥便秘
A．火麻仁
B．郁李仁
C．桃仁
D．杏仁
E．芒硝
Children develop language competence in their first language in a relatively short time merely by （） it.
A. being exposed to
B. speaking
C. using
D. listening to
