C. damaging his immune cells D. harming all his organs directly

5. What is NOT mentioned as the symptom of Ebola?

A. Fever and chills B. Swallowing difficulty

C. Lack of appetite D. High blood pressure

6. In order not to be infected by Ebola, we should .

A. have the clothing of the infected cleaned

B. avoid eating wild animals like monkeys

C. not travel to Africa, America or Europe

D. stay at home without going anywhere

7. It is true that .

A. a certain number of people survive Ebola

B. human has found a special cure for Ebola

C. oxygen can save infected people's lives

D. low blood pressure is surely caused by Ebola

【答案】4. C 5. D 6. B 7. A

【解析】

试题分析：本分是一篇说明文，分别从感染病毒的危害和症状、怎样预防感染这种疾病以及如何从这种疾病中康复。

【4题详解】

C推理判断题。根据第二段When a person becomes infected with Ebola, the virus damages the body's immune (免疫的) cells可知感染了这种病毒的人，病毒会伤害身体的免疫细胞，故选C。

【5题详解】

D句意理解题。根据第四段Fever，Chills，Difficult breathing or swallowing.

Bleeding inside and outside of the body可知感染者中病毒的症状并没有高血压，故选D。

【6题详解】

B推理判断题。根据第六段Avoid eating wild-caught bush meat.可知为了预防这种疾病，不恩呢该吃野生动物的肉，故选B。

【7题详解】

A推理判断题。根据第八段Doctors don't know for certain who will survive Ebola, and