What is the most dangerous thing about nitrous oxides
A: Stagnant air.
B: Damage to concrete.
C: Unfounded fears.
D: Potential carcinogenic effects.
A: Stagnant air.
B: Damage to concrete.
C: Unfounded fears.
D: Potential carcinogenic effects.
举一反三
- 中国大学MOOC: What is the thing the author loved most about Bill? Is the thing just a tremendous excitement?
- What was the thing used in China that most of the Europeans knew litter about it at that time?
- The most important thing about a job is that your mother is proud of what you do.
- According to the text, why are test flights most dangerous() A: The plane may explode in the air. B: The pilot may lose control of the plane. C: The engines may be damaged. D: Too much air may get into the plane.
- The saddest thing about your life is that you fail to ___________ what counts most from what counts little to your future.