1. 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

2. 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

3. 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.)