If  asked, “What was the most important health story of 2014?” It is certainly the word Ebola.

Ebola has killed more than 6,800 people and infected more than three times that number.

But this is not the first time the world has heard of Ebola. The virus spent many years in African forests far from human populations. Every ten years, or so, it would appear in small villages and kill a few hundred people.

But the Ebola outbreak that began in 2014 is very different than all that came before. This time, Ebola is sickening thousands of people in West Africa. It crossed into cities and over national borders. The world reacted with shock and fear. And Ebola continues to kill.

The Ebola outbreak began in rural villages a year ago. Months passed before health officials identified the virus. But governments also increased education efforts. Health officials warned people to take safety guidelines seriously. Health workers walked the streets teaching people about the signs of Ebola. Today health workers continue to go door-to-door looking for possible cases.

To stop Ebola, doctors must separate infected people from non-infected people. Health care workers must have special training to treat the sick. They must wear head-to-toe protective clothing. In Guinea, Sierra Leone and Liberia, people no longer shake hands or hug. People can no longer care for their sick or bury their dead in traditional ways. 

French researchers are developing an Ebola test to provide results in 15 minutes. The current Ebola test takes 24 hours. Japan and the United States are also working on developing faster tests.

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1.How many people has been killed by Ebola?

A More than 6800

B More than 18000

C Less than 20000

D over 7000

解析：选A。A 细节理解题。根据文章第一段第二句“Ebola has killed more than 6,800 people”可知。

2.Where does the virus come from?

A African rivers.

B African forests.

C African animals

D African people

解析：选B。B 细节理解题。根据文章第二段第二句“The virus spent many years in African forests far from human populations.”可知。

3.What does the underlined word sickening in paragraph 4 mean in Chinese?

A 使恶心

B 使厌烦

C 使患病

D 使沉没

解析：选C。C 词义辨析题。根据文章第三段第二句“thousands of people in West Africa” 可知，它使成千上万人生病。

4.Which of the following is not true according to the passage?

A Health workers continue to look for possible cases.

B Doctors must wear head-to-toe to protect the Ebola.

C Ebola changes the African traditional life.

D Ebola began in a city a year ago.

解析：选D。D 推理判断题。根据第四段的第一句“The Ebola outbreak began in rural villages a year ago.”可知。

5.What does the last passage mainly tell us?

A French researchers have developed an Ebola test

B French Ebola test provides results in 15 minutes.

C Japan is also developing an Ebola test.

D Many countries are developing Ebola tests.

解析：选D。D 推理判断题。 最后一段在讲几个国家正研究埃博拉疫苗，A，B，C只讲了其中的一部分。