根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式：

小题1:Sometimes, it is very difficult to make correct ____________ (decide).

小题2:His poor memory is really a _____________ (advantage) to him.

小题3:What an ____________ (enjoy) journey they had the day before yesterday!

小题4:Of all the players, the one who jumps ____________ (far) can win a medal.

最容易发生幽门梗阻的溃疡是（）

A.胃体溃疡

B.胃窦溃疡

C.幽门管溃疡

D.十二指肠球部溃疡

E.十二指肠球后溃疡