题干
303. I think you should _______ the doctor about your arm.
A：pay a visit to
B：give a visit o
C：offer visit to
D：make a visit o
答案(点此获取答案解析）
A
A：pay a visit to
B：give a visit o
C：offer visit to
D：make a visit o
2NH3该化学反应属于（ ）