Mother：Sally, can you help me, please? I want to go shopping.

Sally : OK. Mum. What do you want to buy?

Mum : Some eggs, some oranges, some milk, and some chicken for supper. What can we have for lunch tomorrow?

Sally : I don't know.

Mother : Oh ,yes, it is. Some fish.

Sally : Is fish very expensive ( 昂贵的）?

Mother: Yes , it is. But dad likes fish.

Sally : What about some rice?

Mother : I want some nice bread.

Sally : OK. Let' s go.

“科学用眼，保护视力”是青少年珍爱生命的具体表现．科学证实：近视眼镜的度数y（度）与镜片焦距x（m）成反比例．如果500度近视眼镜片的焦距为0.2m，则表示y与x函数关系的图象大致是（　　）

设奇函数$f\left(x\right)$上为减函数，且$f\left(1\right)=0$，则不等式$\frac{f\left(x\right)-f(-x)}{x}<0$的解集为（  ）