若x为正，y为负，则$\frac{x}{\left|x\right|}$+$\frac{\left|y\right|}{y}$=____ 

下图描述的是氢氧化钠与盐酸反应的微观实质。

阅读《江城子·密州出猎》一词，完成小题
       老夫聊发少年狂，左牵黄，右擎苍，锦帽貂裘，千骑卷平冈。为报倾城随太守，亲射虎，看孙郎。
       酒酣胸胆尚开张。鬓微霜，又何妨！持节云中，何日遣冯唐？会挽雕弓如满月，西北望，射天狼。

A: What can I do for you?

B: Yes, ____ like some sausages. How much are they?

A: Forty yuan a kilo. How much would you like?

B: Half a kilo.

A: OK. What ____ would you like?

B: A kilo of beans and two kilos of apples.

A: That'll ____ thirty-eight yuan.

B: Oh, the strawberries look ____. How much are they?

A: Twenty yuan a kilo.

B: One kilo, please. ____ seventy-eight yuan.

A: Thank you. Goodbye.

B: Goodbye.