听力原文

This is one of the world's rarest primates, Francois's langur. In China they survive in just two southern provinces, Guizhou and Guangxi, always in rugged limestone terrains.
这是世界上最珍稀的灵长类之一，白颊黑叶猴。在中国他们只残存于两个南部省份，贵州与广西，多半栖息于崎岖的石灰岩地貌地带。
Like most monkeys, they are social creatures and spend a great deal of time grooming each other.
正如大多数猴子一样，他们是社会性生物，并且他们乐于耗费大把时间为彼此整理仪容。
Langurs are essentially vegetarian with a diet of buds, fruits and tender young leaves.
叶猴是个不折不扣以嫩芽、嫩叶、水果为食的素食主义者。
Babies are born with ginger fur, which gradually turns black from the tail end.
叶猴宝宝裹着姜黄色的毛发出生，这些毛发随着生长逐渐从尾部开始变成黑色。

重点讲解

重点讲解：
1. spend time (in) doing sth.
花费时间做某事；
eg. So you have to spend more time testing.
所以，得花更多的时间进行测试。
eg. She can spend a whole day gossiping with her neighbours.
她能一整天都跟邻居们说长道短。
2. a great deal of
许多；大量；
eg. This book requires a great deal of concentration.
这本书需要全神贯注才能读懂。
eg. They absorbed a great deal of the Roman culture.
他们大量地吸收了罗马文化。
3. be born with
天生（具有某种特性）；
eg. He was born with a itching palm.
他生来就贪得无厌。
eg. He was born with a squint.
他先天斜视。