根据句意，用括号中所给词的适当形式填空。(共5小题，每小题1分，满分5分)

小题1:In our life, whatever we do, we should never give up no matter how many ________ we have. (difficult)

小题2:How ___________ the room is ! There are so many people singing in it. (noise)

小题3:Chocolate is usually the ____________favorite food. (child)

小题4:Climb up to the ___________ floor , and you can enjoy a better view.(twelve).

小题5:Life is __________ and we should learn to enjoy our life. (color)

腹股沟斜疝的疝囊颈位于（）。

A．腹股沟韧带上方，腹壁下动脉外侧

B．腹股沟韧带上方，腹壁浅动脉外侧

C．腹股沟韧带下方，股静脉外侧

D．腹股沟韧带上方，腹壁浅动脉内侧

E．腹股沟韧带上方，腹壁下动脉内侧