61. From the medical masks to the lab coats, the author is trying to tell us ____.

1. the practice of occupational protection in the developing world
2. the developing countries plagued by poverty and disease
3. the cheapest labor in the developing countries
4. the human misery behind them

62. The concerning phenomenon the author had observed, according to the passage ____.

1. is nothing but the repetition of the miserable history
2. could have been even exaggerated
3. is unfamiliar to the wealthy west
4. is prevailing across the world

63. The author argues that when researchers in the wealthy west buy tools, they should ____.

1. have the same concern with the developing countries
2. be blind to their sources for the sake of humanity
3. pursue good bargains in the international market
4. spare a thought for how they were made

64. A proper course of action suggested by the author is ____.

1. to refuse to import the unethical goods from the developing world
2. to ask scientists to tell the truth as the prime value of their work
3. to urge the manufacturers to address the immoral issues
4. to improve the transparency of international contracts

65. By saying at the end of the passage that if science is truly going to help humanity, it needs to follow suit, the author means that ____.

1. the scientific community should stand up for all humanity
2. the prime value of scientists' work is to tell the truth
3. laboratory goods also need to be ethically sourced
4. because of science, there is hope for humanity

(Reference keys.)