According to some scientists, global warming the survival of the whole human race.
举一反三
- Global warming is caused by human activities except the greenhouse effect.（ ）
- According to the passage, which of the following is not the harm of the global warming for the earth?
- 中国大学MOOC: Overpopulation poses a terrible threat to the human race. Yet it is probably ________a threat to the human race than environmental destruction.
- Most of the global warming observed over the past 50 years is attributable to human activities. ( )
- According to the report, some well-known scientists believe that there is not enough oxygen on Mars to __________ human life.() A: sustain B: retain C: remain D: entertain