A ... is a person who searches for valuable minerals.
A. prospect B. prospects C. prospector D. prospective
A ... is a person who searches for valuable minerals.
A. prospect B. prospects C. prospector D. prospective
A ... is a person who searches for valuable minerals.
A. prospect B. prospects C. prospector D. prospective
A ... is a person who searches for valuable minerals.
A. prospect B. prospects C. prospector D. prospective
He (fly) ... on a Mercury spacecraft which (have) ... just enough room for one person.
It is merely of the universe an optical illusion of the moon ... appears considerably larger than it does.
A. who B. whose C. whom D. which
The traditional role of a husband is a ... of safety and security.
A. deliveryman B. supporter C. supply D. provider
This is a picture of a meteorite I took at the ... museum.
A. astronomic B. astronomy C. astronautic D. astronaut
Rosetta is a(n) ... breaking space mission to land on a comet.
A. land B. soil C. ground D. earth
Experiencing microgravity on a ... flight is part of astronaut training program.
A. parabol B. parabola C. parabolic D. parabolically
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
Physicists are scientists ... the study matter and energy as well as their patterns of interaction.
A. who B. whom C. whose D. which
It is cheaper to build an unmanned ... than the one that is manned.
A. space B. spacecraft C. spacious D. spaciousness