胃溃疡特殊表现包括（）
A.胃窦部溃疡
B.线形溃疡
C.巨大型溃疡
D.胼胝性溃疡
E.穿透性溃疡
参考答案：B, D, E
—Don't worry. You _____ plenty of time to decide.
—Thanks a lot. [ ]
A. will give
B. have given
C. are giving
D. will be given
简述广告调查的内容和主要调查方法。
