1.理解题。从第一段中“Drinking coffee tends to make people a little bit more awake”中可以看出咖啡豆的作用是使人变得清醒，故选A。

　　2.细节理解题。从文中第二段中“Suddenly, some of the goats started jumping up and down in a very strange way.”可以看出吃了这种植物后，一些羊开始以很奇怪的方式的跳上跳下，故选C。

　　3.细节理解题。从最后一段第一句“The green bean got the name "Kaffa" and later "coffee" because the beans were discovered in a place called Kaffa in Africa.”可知，这种青豆开始叫“Kaffa”后来变为“咖啡”是因为它是在非洲一个叫Kaffa的地方被发现的，故选C。

　　考点：事物说明类阅读

　　B

　　The idea of changing the world seems very crazy, but there are a number of small everyday things we can do to make the world better. Community centers, parks, libraries, homeless shelters, hospitals and schools are all places where students can make a difference through service.

　　Alisia Orosco, 10, wanted to show her love and care to the sick kids at University Children's Hospital in Texas, where her brother had been a patient. She earned money by doing part­time jobs and used it to buy different toys for the children in hospital. Now she visits three hospitals every year with bags of toys. “I hope to help as many kids as I can，” Alisia says. “It makes me happy to make them smile.”

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