初产妇急产是指总产程时间不足（）
A.1h
B.2h
C.3h
D.4h
E.5h
参考答案：C
壶腹部周围癌是指（）
A.胰钩突癌
B.十二指肠 * * 癌
C.胰头癌
D.Vater壶腹部癌
E.胆总管末端癌
— What are the people in Korea supposed to do when they meet for the first time?
— They are supposed to ____. [ ]
A. kiss
B. bow
C. say hello
D. shake hands
