Despite being the continent's second-largest producer of tomatoes, Nigeria is dependent on $1 billion worth of tomato-paste imports every year, as around 75% of the local harvest goes to waste thanks to a lack of proper storage facilities.

2017年12月六级真题（第一套）阅读 Section A

king penguins are the second-largest type of penguin and only breed on specific isolated islands in the Southern Ocean where there is no ice cover and easy access to the sea.

2019年12月六级真题（第三套）阅读 Section C