Generally speaking, there are four categories of space. They are intimate space, personal space, _______ space, and public space.

1) All the space trash floats in space.

_____ is the way we use fixed space and personal space.

Chronemics is the way we use fixed space and personal space.

As its name suggests, a space elevator is designed to raise things into space.

Astronauts are connected to the space shuttle so that they cannot float off into space.

___________ ________ is the study of spatial relations. It is the way we use fixed space and personal space.

What<br/>are space agencies and companies aiming to do at present?() A: Recycle used space vehicles before they turn into debris. B: Develop technology to address the space debris problem. C: Limit the amount of debris entering space. D: Cooperate closely to retrieve space debris.

China has already spent large amounts of money into space research and has sent 6 crews into space. A: T B: F

"… , people are becoming more need for open space." (Paragraph 1) tells us that ____. A: people are thinking to develop their living space into the sky B: people noticed the need for unoccupied land C: people are struggling to get more land from the space D: people are becoming more active on the space issue