Unit 10: Space travel

One of the largest ... found on Earth is the Hoba from southwest Africa, which weighs about 54000 kg.

A. meteorites  B. meteoric  C. meteors  D. meteorite

In 2015 NASA discovered an Earth-like planet which might be ... because it has "just the right" conditions to support liquid water and possibly even life.

A. inhabited  B. inhabitants  C. habitable  D. uninhabited

It is cheaper to build an unmanned ... than the one that is manned.

A. space  B. spacecraft  C. spacious  D. spaciousness

On the ISS ... have to attach themselves so they don't float around.

A. astronauts  B. astronautics  C. astronautically  D. astronautical

... thought was given, but all was not approved.

A. A large number of  B. A great deal of  C. Many of  D. Many

A ... is a person who searches for valuable minerals.

A. prospect  B. prospects  C. prospector  D. prospective

B

A ... is a person who searches for valuable minerals.

A. prospect B. prospects C. prospector D. prospective

Double - stars orbit ...

A. each to other  B. each other  C. each other one  D. other each one

A

D

Green and magenta ... are complementary colours located opposite each other on the colour wheel, ...

A. and blue and yellow so  B. and too blue and yellow

C. and so blue and yellow do  D. and so are blue and yellow

Đáp án: D

A vacuum will neither conduct heat nor ...

A. transmit sound waves  B. transmitting sound waves  

C. sound waves are transmitted  D. the transmission of sound waves

A

Often a team of engineers is ...

A. work on one project  B. on one project work  C. working on one project  D. to work on one project

C