For people who are interested in space, nothing is more exciting than the idea of living on other planets. That might be why the movie The Martian is so popular. It shows an astronaut living on Mars. But would it really be possible to live on the Red Planet?

While the idea of living on Mars is great, the reality does not look as good. Mars does not have a friendly air for humans. There is very little oxygen(氧气) there. And because it's far from the sun, it is also very cold. The temperature on Mars can be ?62 on average. This is much too cold for humans.

However, scientists say it might be possible to live there even without a good air. Daytime on Mars is almost the same as Earth's. It means there's enough sunlight to grow plants inside safe buildings. However, they would have to grow in soil from Earth. Mars does not have a strong enough air to stop the radiation(辐射) coming from space, which makes it dangerous to grow things in the soil.

The radiation also causes problems for our health. One way we could live there would be to build homes under ground or within the rocks on the planet. This would give humans the protection(保护) from the radiation and also some heat.

When could we live on Mars? NASA is hoping to make some progress within the next 20 years.

1.Which of the following about Mars is TRUE?

A. Its air is good for humans. B. It has enough oxygen on Mars.

C. It's a little colder than Earth. D. It's not close to the sun.

2.Why is it possible to grow plants on Mars?

A. Because there is enough sunlight.

B. Because the soil is good on Mars.

C. Because it has little oxygen there.

D. Because it has the strong radiation.

3.What's the passage mainly about?

A. How to grow plants on Mars.

B. How to live on Mars without danger.

C. How to keep warm on Mars.

D. How to improve the air on Mars.

阅读下面短文,根据提问回答下面的问题。

Chris is not a traditional explorer(探险者)—he usually works in an office for a large organization.Yet his job can sometimes be just as exciting and dangerous as being an explorer.

Chris works for MSF, an organization also known as Doctors Without Borders (无国界医生).MSF sends trained doctors all over the world to help people after a war or a disaster.Chris is a doctor from France who has travelled to many places to organize programmes that help people.

At the moment, there are over 27,000 trained medical staff taking part in MSF projects and tasks.The organization received the Nobel Peace Prize in 1999.All kinds of doctors can volunteer for MSF.They need to be prepared to go almost anywhere in the world and, of course, they should expect difficult conditions.Doctors with experience in tropical(热带的) diseases are especially useful because most of MSF’s work is in Africa.When MSF accepts a doctor for a task, he has to go for at least six months.When doctors have completed a few tasks, they might be sent on an emergency task following a disaster, such as an earthquake.

But why would a doctor leave a comfortable life and a good salary to join MSF? According to Chris, the experience you gain is a great help in your career.Besides, just like the explorers of the past, you need to keep an open mind and learn to mix well with the people you meet.Most importantly, at the end of each task, you have made a real difference to people’s lives.

1.When does MSF send trained doctors all over the world to help people? (no more than 6 words)

2.How many trained medical staff are taking part in MSF projects and tasks now?

3.What kind of doctors are greatly needed in Africa?(no more than 6 words)

4.According to Chris, what is the most important after finishing a task of MSF?

5.Why is a MSF doctor’s job exciting and dangerous? (请自拟一句话作答)

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网