题目内容：

    Since the end of 2019, a terrible disease has been spreading all over the world. It’s caused by a virus that has not been found before in humans. 1..

What are the symptoms(症状)?

The virus is from a family called the corona viruses. The symptoms of this illness are pretty ordinary on the face of it: it’s dry cough, fever and then breathing problems. 2.. However, as for the more severe cases, people have gone on to develop viral（病毒性的） pneumonia, and all the deaths have been among those people.

Who does this virus attack?

As we can see, older people are ending up in hospital with the virus. Most of the affected people are usually over 40 years old. 3.. Basically their immune(免疫) systems are not very strong, and they’re going to find it very hard to fight off a virus.

4..

We’ve only just discovered that the new corona virus is actually spread from one person to another. It was hoped at first actually that it just came from animals as all corona viruses do. 5..

A.It seems quite mild（温和的）in lots of people.

B.How is this virus spread?

C.So the disease is called a "novel" or new virus.

D.People affected by viral pneumonia will die.

E.Signs of the virus may appear between 2 and 14 days after being near someone who is affected.

F.Those who have died tend actually to have other diseases already.

G.Now it has been confirmed that it is actually passed from one human being to another, however.