閱讀：英語(yǔ)六級(jí)四十天突破—講義與筆記（3）

　　38.According to the passage, cutting tress to grow more food   _______.

　　A) will widen the gap between the developed and the developing countries.

　　B) is but a short-term relief to the food problem.

　　C) can hardly alleviate the shortage of food.

　　D) proves to be an effective way out for impoverished nations.

　　注：對(duì)應(yīng)文章第二段。Short-term對(duì)應(yīng)temporarily，relief對(duì)應(yīng)avoid。

　　39.Among“humanity's current problems” (Line 6, Para. 3), 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.

　　注：第三段。C選項(xiàng)中reduction對(duì)應(yīng)rob，diversity對(duì)應(yīng)richness。

　　40.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 analyze 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.

　　注：看最后一句話，cooperation of nations 對(duì)應(yīng)coordinated international efforts。