Scientists performed the first MRI body of a human being in July .
举一反三
- On July 20th, 1969, two American __________ planted the first human footsteps on the moon. A: visitors B: pilots C: scientists D: astronauts
- 中国大学MOOC: On July 20th, 1969, two American __________ planted the first human footsteps on the moon.
- Scientists have not yet determined ______. A: all of the effects of pollution on the human body B: how pollution can be controlled successfully C: when the atmosphere first became polluted D: how to wash the black snow clean
- Some scientists warn that the X-ray _________ (scan) now being used to screen passengers at many airports may be harmful to the human body.
- 女娲, a mythical figure in Chinese civilization, made the first human being she felt lonely.