NASA has a new job listing, and it’s no joke. The US space agency is looking for a “joker” to join their planned mission (任务) to Mars.

A mission to Mars is no laughing matter. The red planet is 140 million miles away from Earth. A trip there would take around 8 months in a small spaceship.

“When you’re living with others in a confident space for a long period of time, problems are likely to take place,” Jeffre Johnson a scientist at the University of Florida said.

This is probably why NASA wants an astronaut with a sense of humor (幽默感). “There are people that have the ability to pull everyone together,” Johnson said.

In stressful situations, perhaps humor is a way to know we aren’t alone. By laughing together, we share our stress. Then we can pay more attention to our jobs instead of just worrying.

There are other examples of team “clowns (小丑)”. One example is the journey to the South Pole (南极) led by Norwegian explore (探险家) Roald Amundson. It was a difficult journey, full of danger. Adolf Lindstorm, A cook at Amundson’s team, was a “clown”. He made people laugh through the whole journey. Amundson later wrote that Lindstrom was the most valuable member of the team.

But if you’re hoping that your favorite TV comedian (喜剧演员) will fly to Mars, that probably won’t happen.

“Being funny won’t be enough to land somebody the job,” Johnson said. “They also need to be an excellent scientist and engineer.” Besides, they must be in top physical condition.

1.NASA is looking for a________.

A.funny engineer B.talented clown C.good cook D.popular comedian

2.In Paragraph 3, “a confident space” means a/an ________ space.

A.empty B.different C.open D.small

3.The US space agency is looking for a “joker” in order to________.

A.make the astronaut excited B.find an excellent astronaut

C.encourage team work D.make the trip unforgettable

4.In Paragraph 6, the writer uses the example of a cook to show that________.

A.the explorers’ meals on their journey is very important

B.humorous people can cheer up people in difficult situations

C.a cook can play a more important role than the explorers

D.the journey to the South Pole is harder the mission to Mars

5.Which would be the best title for the text?

A.A sense of humor B.A mission to Mars C.Let the humor fly D.Laugh together

Paragraph 1

Scientists have learned a lot about the kinds of people need. They say that there are several kinds of food that people should eat every day, they are: (1) green and yellow vegetables of all kinds; (2) citrus (柑桔) fruits and tomatoes; (3) potatoes and other fruits and vegetables; (4) meat of all kinds, fish and eggs; (5) milk and foods made from milk; (6) bread or cereal (谷类), rice is also in this kind of food; (7) butter, or something like butter.

Paragraph 2

People in different countries and different places of the world eat different kinds of things. Foods are cooked and eaten in many different kinds of ways. People in different countries eat at different times of the day. In some places people eat once or twice a day; in other countries people eat three or four times a day. Scientists say that none of the differences is really important. It doesn’t matter whether foods are eaten raw or cooked, canned (罐装的) or frozen (冷冻的). It doesn’t matter if a person eats dinner at 4 o’clock in the afternoon or at eleven o’clock at night. The important thing is what you eat every day.

Paragraph 3

There are two problems, then, in feeding the large number of people on the earth. The first is to find some way to feed the world’s population so that no one is hungry. The second is to make sure that people everywhere have the right kinds of food to make them grow to be strong and healthy.

1.According to(依据)the scientists,which of the following groups of food is the healthiest for your lunch?

A.Chicken, apples, cereal and cabbages.

B.Potatoes, carrots, rice and bread.

C.Oranges, bananas, fish and tomatoes.

D.Beef, pork, fish and milk,

2.It is important for people to eat ______.

A.three times a day

B.dinner at twelve o'clock

C.cooked food all the time

D.something from each of the seven kinds of food every day

3.People in different countries and different places of the world ____ .

A.have the right kinds of food to eat

B.cook their food in the same way

C.have their meals at the same time

D.eat food in different ways

4.Which of the following is not true?

A.People in some places don't have enough to eat.

B.There are too many people in the world.

C.One of the problems is that no one is hungry.

D.The scientists are trying to make people grow to be strong and healthy.

5.If there is Paragraph (段落) 4, what do you think is going to be talked about?

A.When people eat their lunch.

B.What to do with the two problems.

C.How to cook food in different ways.

D.Why people eat different kinds of food.

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