2016年12月英语四级(第1套)听力真题 听力短文(2)

Agricultural workers in green tea fields near Mt. Kenya are gathering the tea leaves.
肯尼亚山附近的茶田里，农民们正在采摘茶叶。
It is beautiful to see. The rows of tea bushes are straight. All appears to be well.
非常美丽的景象。茶树排排成行。长势喜人。
But the farmers who planted the bushes are worried. Nelson Kibara is one of them.
但是种茶树的农民们却忧心忡忡。Nelson Kibara就是其中之一。
He has been growing tea in the Kerugoya area for 40 years.
他在克鲁格亚地区种了40年茶了。
He says the prices this year have been so low that he has made almost no profit.
他说今年茶叶价格太低了，几乎无利可赚。
He says he must grow different kinds of tea if he is to survive.
要是想继续下去，他得种好几种不同的茶才行。
Mr. Kibara and hundreds of other farmers have been removing some of their tea bushes
Kibara先生和其他上百位农民拔掉了他们的一部分茶树，
and planting a new kind of tea developed by the Tea Research Foundation of Kenya.
换上了由肯尼亚茶研究基金会培育的新品茶树。
Its leaves are purple and brown.
新品的叶子是紫色和褐色的。
When the tea is boiled, the drink has a purple color.
茶叶煮后，茶水呈紫色。
Medical researchers have studied the health benefits of the new tea.
医学研究表明这种新茶有助于身体健康。
They say it is healthier than green tea and could be sold for a price that is three to four times higher than the price of green tea.
他们说新品比绿茶更健康，而且价格能比绿茶高3-4倍。
But Mr. Kibara says he has not received a higher price for his purple tea crop.
但是Kibara说他从来没收到过对紫茶的高报价。
He says the market for the tea is unstable.
紫茶的市场很不稳定。
And he is often forced to sell his purple tea for the same price as green tea leaves.
他经常不得不把紫茶按照绿茶的价格卖掉。
He says there are not enough buyers willing to pay more for the purple tea.
没那么多买家愿意花更多的钱去买紫茶。

Questions 19 to 21 are based on the passage you have just heard.
请根据你刚刚听到的文章回答问题19至问题21。
Question 19.Why have tea farmers in Kenya decided to grow purple tea?
问题19.为什么肯尼亚的茶农决定种紫茶？
Question 20.What do researchers say about purple tea?
问题20.研究人员怎么评价紫茶？
Question 21.What does Mr. Kibara find about purple tea?
问题21.Kibara认为紫茶怎么样？