There is a new job at NASA. It is for a Planetary Protection Officer (PPO). He or she will make sure no alien comes to Earth after astronauts come back. The position was posted on the usajobs.gov website. The PPO will get paid up to $187,000 a year. It is for three to five years. NASA only has two PPOs. It is only for U.S. citizens.

People who want to apply for the job must be well qualified. They must have a degree in science, engineering or maths. They need experience in planning and managing important space programs. Finally, people need skills that lead to "win-win solutions". The new PPO will help future NASA tasks. One of these is to Jupiter to search for alien life.

       本时文内容由奇速英语国际教育研究院原创编写，未经书面授权，禁止复制和任何商业用途，版权所有，侵权必究！（投稿及合作联系：028-84400718  QQ：757722345）

1.What should a PPO do?

A He or she should make the Earth clean.

B He or she should make sure no people alive in Mars.

C He or she should make sure no alien comes to Earth after astronauts come back.

D He or she should not allow aliens come back to their planet after astronauts come.

解析：选C。细节理解题。根据第一段第三句He or she will make sure no alien comes to Earth after astronauts come back.可知他或她将确保宇航员回来后没有外星人来地球，故选C。

2.Where was the position posted?

A On a website.

B On TV shows.

C On a magazine.

D On the blackboard.

解析：选A。细节理解题。根据第一段第四句The position was posted on the usajobs.gov website.可知职位被挂在usajobs.gov网站，故选A。

3.How long will the PPO do the job?

A For five years.

B For three months.

C For three to five weeks.

D For three to five years.

解析：选D。细节理解题。根据第一段第六句It is for three to five years.可知这将持续三到五年，故选D。

4.A person with____ can NOT be a PPO.

A a math degree

B a science degree

C a Spanish degree

D an engineering degree

解析：选C。细节理解题。根据第二段第二句They must have a degree in science, engineering or maths.可知他们必须有科学、工程或数学学位，故选C。

5.Which of the following is NASA task from the passage?

A To leave Earth.

B To plant trees on Jupiter.

C To Mars to search for water.

D To Jupiter to search for alien life.

解析：选D。细节理解题。根据第二段最后两句The new PPO will help future NASA tasks. One of these is to Jupiter to search for alien life.可知其中之一是到Jupiter去寻找外星生命，故选D。