设$f\left(x\right)$为定义在R上的奇函数，当$x\ge 0$时，$f\left(x\right)=2^x+2x+b$（b为常数），则$f(-1)$的值为(    )

    Many people think pizza comes from America, but some people think pizza is

____ Italian food. In fact, pizza has a long history. The ancient Greeks (古代希腊人) first had the idea of putting vegetables on ____ of bread. Then people found "pizza ____In Roman cities.

    Raffaele Esposito, a baker (面包师) from Naples, didn't begin to ____ the first modem pizza until the 19^th century. It was one day in the ____ in 1889. This baker went to Italy as a(n) ____. The Italian King and Queen asked him to make pizza. That was when first pizza Margherita was made. It was named after (以……命名) the Queen. Pizza became a favorite ____in Italy. People often saw it on people s ____ Parents often ____ the/r children's lunch boxes with pizza But ____pizza really became an international dish after the Second World War (第二次世界大战).

实验室用试管收集CO₂，最好选用的装置是（　　）