Question

    We all know that foods will easily go bad if they get too warm. So we usually put them into our fridges to keep cool in hot weather. But can you make it without fridges?

In 1995，Abba，a teacher from Nigeria，found a cool way. His invention was called Pot-in-Pot Cooling System.

It uses two clay pots (陶罐). There is a smaller pot inside a lager one. The space between the two pots is filled with wet sand. Some foods can be kept fresh for several weeks in it.

Abba built five thousand pot-in-pot systems for the villagers in his hometown. Then people all over the country began using the invention. Soon it became popular with farmers in other African countries.

In 2000, Abba got a prize--the Rolex Award. If you are trying to do something to improve human life，you may have the chance to get this prize.

根据短文内容，选择最佳答案。

1.______from Nigeria invented the Pot-in-Pot Cooling System.

A.A teacher B.A cook C.A scientist D.A worker

2.In the Pot-in-Pot Cooling System, you should put fruit and drinks ______.

A.under the wet sand B.outside the larger pot C.between the two pots D.inside the smaller pot

3.Abba built five thousand pot-in-pot systems to help ______in his hometown.

A.his family B.his students C.the villagers D.the school

4.Many farmers in African counties used Abba’s invention to ______.

A.store wet cloth B.get warm C.keep foods fresh D.win a prize.

Answer

1.A

2.D

3.C

4.C

【解析】

本文讲述了夏天温度高食物容易坏，Abba发明了罐中罐系统，小罐子在大罐子里面，中间用湿沙填满，食物可以保存数星期，他为村民建立了5000个罐中罐系统，进而受到全世界的欢迎。

1.细节理解题。根据“In 1995，Abba，a teacher from Nigeria，found a cool way. His invention was called Pot-in-Pot Cooling System.”1995年，来自尼日利亚的老师Abba发现了一个很酷的方法。他的发明被称为罐中罐冷却系统。故选A。

2.推理判断题。根据“It uses two clay pots (陶罐). There is a smaller pot inside a lager one. The space between the two pots is filled with wet sand. Some foods can be kept fresh for several weeks in it.”两个罐子之间的空间填满了湿沙，有些食物可以保鲜几个星期，所以食物放在小罐子里，故选D。

3.细节理解题。根据“Abba built five thousand pot-in-pot systems for the villagers in his hometown”Abba为他家乡的村民，故选C。

4.细节理解题。根据“ Some foods can be kept fresh for several weeks in it”有些食物可以保鲜几个星期。故选C。