81. Faced with the opposition, according to the passage, scientists ____.

1. are tempted to go beyond the facts
2. insisting on telling nothing but the truth
3. are doubling their effort to prove it wrong
4. are turning a deaf ear to the critical voices

82. In quoting Schneider, the author implies that ____.

1. scientists can be wrongly pictured by the media
2. critics are critical of scientists in particular
3. global warming is wrongly defined
4. the temptation could be resisted

83. On the justifiability of animals experiments, the scientists ____.

1. have come to appreciate their contribution to science
2. have tried to win the public support in vain
3. have violated their intellectual integrity
4. have lost the chance to win the debate

84. The author makes it clear that animals experiments ____.

1. have never been more important nowadays
2. have produced so many Nobel prizewinners
3. have undoubtedly been abused in doing science
4. have made great contribution to medical science and surgery

85. While hardening their attitudes on animal experiments, as the author implies, the scientists of high prestige ____.

1. did everything in the best interest of the Royal Society
2. tried to educate the public on their scientific value
3. pushed the facts harder than they can bear
4. tarnished their images in the debate

(Reference keys.)