Among" humanity's current problems" (Line 2, Para. 2), the chief concern of the scientists is______.
A: the impoverishment of developing countries
B: the explosion of the human population
C: the reduction of biological diversity
D: the effect of global warming
A: the impoverishment of developing countries
B: the explosion of the human population
C: the reduction of biological diversity
D: the effect of global warming
举一反三
- 61, The author's purpose in writing this passage is______. A: to describe the difficulties in solving humanity's current problems B: to present the different views on humanity's current problems C: to analyse the contradiction between countries in dealing with humanity's current problems D: to point out that humanity's current problems can only be solved through the cooperation of nations
- According to some scientists, global warming the survival of the whole human race.
- With the population explosion, scientists will have to _____ new methods of increasing the world’s food supply.
- According to the passage, the preservation of rain forests ________. A: may hamper a developing country in its fight against poverty B: benefits developed countries rather than developing countries C: should take priority over the control of human population D: will help improve the living conditions in developing countries
- What does the author mean by “Nature is indifferent to human notions of fairness”(Line 1, Para. 2)?