【題目】根據(jù)短文內(nèi)容， 從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。

Ebola is a dangerous virus that can cause people to get very sick and even die. The virus is causing the biggest problems in western Africa, where it has spread quickly. 【1】 But it can get worse and cause life-threatening symptoms(癥狀), such as bleeding and trouble breathing.

【2】

Ebola does not spread like colds or the flu because it does not float through the air. Ebola also doesn’t spread through food or water, like some other viruses. Instead, Ebola spreads when someone touches the body fluids(液體) of a sick person.

【3】

An outbreak is when many people are getting sick with the same illness around the same time. You may have heard of a flu outbreak, which is when lots of people get sick from the same types of flu virus. When an outbreak happens because of a virus, more people could get sick because there is a lot of that virus around.

Where did Ebola come from?

Scientists aren’t sure how the first person gets Ebola at the start. 【4】 Tropical animals in Africa believed to carry the virus include great apes, chimpanzees, gorillas, monkeys, fruit bats, porcupines, and forest antelopes.

What do kids need to do about Ebola?

Ebola is making many people sick in Africa, but no matter where you live, it’s always a good idea to wash your hands well and often. 【5】

A. How do people catch Ebola?

B. But they think that people may pick up the virus by touching or eating infected animals.

C. Why do I need to wash my hands?

D. It’s very important that infected people get treatment right away.

E. Ebola symptoms can start with fever and headache, kind of like the flu.

F. What is an outbreak?

G. Keeping hands clean can help protect you from common illnesses like colds and the flu.

【答案】

【1】E

【2】A

【3】F

【4】B

【5】G

【解析】

試題分析：本文介紹了埃博拉病毒爆發(fā)的相關(guān)情況，以及人們該如何保護自己免遭病毒的侵襲。

【1】E 前文提到埃博拉是一種致命的病毒，下文提到其癥狀，所以此處應(yīng)該說明埃博拉的癥狀的情況，故應(yīng)填入E項。

【2】A 下文說明埃博拉病毒的傳播途徑，小標(biāo)題概括這部分內(nèi)容，故應(yīng)填入A項“人如何會感染埃博拉病毒？”。

【3】F 下文說明埃博拉病毒的爆發(fā)情況，因此小標(biāo)題應(yīng)該是“病毒爆發(fā)是什么情況？”故應(yīng)填F項。

【4】B 根據(jù)上下文內(nèi)容，科學(xué)家不知道埃博拉病毒來自哪里，第一個人怎樣感染上病毒的，而非洲的熱帶動物帶有這種病毒，此處應(yīng)該填入“他們(科學(xué)家們)認為有人通過接觸或者食用已經(jīng)感染的動物而染上了病毒。”故B項正確。

【5】G 上文提到要好好的洗手，此處應(yīng)填入“洗手是一種很好的保護措施”，故G項正確。

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