He has come back safely()of his friends.
A. to the much delight
B. to much the delight
C. to much delight
D. much to the delight
十二指肠损伤较多见的部位是
A. 球部+水平部
B. 降部
C. 水平部
D. 降部+水平部
E. 升部
能尽早提供诊断线索的检查方法是
A. 同位素扫描
B. 十二指肠低张造影
C. 选择性腹腔动脉造影
D. B超
E. 腹部平片
() a boy of ten, he started working to support his family.
A. Being
B. While
C. Because of
D. When still