Unlock 2 final exam unit 7+8

In our solar system, Earth is the only ________ humans can live on.

• plant

• comet

• planet

• plane

Scientists are trying to develop a _______ that can carry people all the way to Mars.

• spacecraft
• submarine
• rocket
• bicycle

__________, the US government organization that studies space.

• ESA
• NASA
• ISRO
• SPACEX

That's look at three ________ for travel to Japan, Hong Kong or Tailand?

• careers

• options

• opt

• Vietnam

Lots of people could make ________ directly to the organization which helps the needy people.

• Contribute

• Donations
• Support
• Aid

If I met the president, I _________ ( not/ know ) what to say.

• do not know
• would not know
• would know
• will not know

I agree with you 100 percent. means..........

• positively

• partially

• completely

• not enough

Space _______ is important because we do research and get information about many things.

• biology

• exploration

• physics

Lisa Johnson is an _______. She created her own business online.

• Artist
• Manager
• Entrepreneur
• Inventor

After David ______ from college and didn't work anymore, he used his free time to write books.

• retired

• transferred
• started