Chủ đề / Chương
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
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
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
Physicists are scientists ... the study matter and energy as well as their patterns of interaction.
A. who B. whom C. whose D. which
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
I was shocked ... the news of the crashed plane.
A. about B. with C. of D. at
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
..., I go to the cinema, only when there's a film I really, really want to see.
A. Over the moon B. Once in a blue moon C. The sky's the limit D. Out of this world